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for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 1 HMC1010LP4E general description features functional diagram t he hm c 1010lp4 e power detector is designed for r f power measurement, and control applications for frequencies up to 3.9 ghz. t he detector provides a true r m s representation of any r f/if input signal. t he output is a temperature compensated monotonic, representation of real signal power, measured with an input sensing range of 60 db. t he hm c 1010lp4 e is ideally suited to those wide bandwidth, wide dynamic range applications, requir - ing repeatable measurement of real signal power, especially where r f/if wave shape and/or crest factor change with time. t he integration bandwidth of the hm c 1010lp4 e is digitally programmable with the use of input pins sc i1- 4 with a range of more than 4 decades. t his allows the user to dynamically set the operation bandwidth providing the capability of handling different types of modulations on the same platform. t he hm c 1010lp4 e features an internal o p-amp at output stage, which provides for slope & intercept ad - justments and enables controller application. 1 db detection accuracy to 3.9 ghz input dynamic r ange: -50 dbm to +10 dbm r f s ignal w ave shape & c rest factor independent digitally programmable integration bandwidth +5v o peration from -40 c to +85 c e xcellent t emperature s tability power-down mode 24 lead 4x4mm s m t package: 16mm2 typical applications t he hm c 1010lp4 e is ideal for: ? log C> r oot-mean- s quare ( r m s ) c onversion ? r eceived s ignal s trength indication ( rss i) ? t ransmitter s ignal s trength indication ( tss i) ? r f power amplifer e fficiency c ontrol ? r eceiver automatic gain c ontrol ? t ransmitter power c ontrol rms power detector dc - 3.9 ghz v01.0410 electrical specifcations, t a = +25 c , vcc = 5v parameter t yp. t yp. t yp. t yp. t yp. t yp. t yp. units dynamic range (1db e rror) [2] input frequency 100 900 1900 2200 2700 3500 3900 mhz differential input c onfguration [1] 59 64 62 62 59 49 45 db deviation vs temperature : ( o ver full temperature range -40 c to 85 c ). deviation is measured from reference, which is the same wc dma input at 25 c . [1] differential input interface with 1:1 balun t ransformer (over full input frequency range) 1 db [2] w ith wc dma 4 c arrier ( t m1-64 dp c h)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 2 table 2: electrical specifcations ii, t a = +25 c, vcc = 5v, sci4 = sci1 = 0v, sci3 = sci2 = 5v, unless otherwise noted HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 cw cdma2000 4 carriers lte down wcdma 4 carriers wcdma single carrier error (db) input power (dbm) rmsout vs. pin with different modulations @ 1900 mhz [2] rmsout error vs. pin with different modulations @ 1900 mhz [2] 0 0.5 1 1.5 2 2.5 3 3.5 4 -60 -50 -40 -30 -20 -10 0 10 ideal cw cdma2000 4 carriers lte down wcdma 4 carriers wcdma single carrier rmsout (v) input power (dbm) [2] sc i1= sc i4=0v, sc i2= sc i3=5v parameter t yp. t yp. t yp. t yp. t yp. t yp. t yp. units input frequency 100 900 1900 2200 2700 3500 3900 mhz modulation deviation ( o utput deviation from reference, which is measured with cw input at equivalent input signal power) wc dma 4 c arrier ( t m1-64 dp c h) at +25 c 0.1 0.1 0.1 0.1 0.1 0.2 0.2 db wc dma 4 c arrier ( t m1-64 dp c h) at +85 c 0.1 0.1 0.1 0.1 0.1 0.1 0.2 db wc dma 4 c arrier ( t m1-64 dp c h) at -40 c 0.1 0.1 0.1 0.1 0.1 0.1 0.2 db logarithmic slope and intercept [1] logarithmic s lope 36.4 36.6 37.3 37.8 39 43.3 47.7 mv/db logarithmic intercept -70.1 -69.1 -67.6 -66.3 -63.1 -55 -51 dbm max. input power at 1db e rror 4 10 10 10 6 5 4 dbm min. input power at 1db e rror -55 -54 -52 -52 -49 -44 -41 dbm [1] w ith wc dma 4 c arrier ( t m1-64 dp c h)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 3 table 3: electrical specifcations iii, t a = +25 c, vcc = 5v, sci4 = sci1 = 0v, sci3 = sci2 = 5v, unless otherwise noted parameter c onditions min t yp. max units differential input confguration input network r eturn loss up to 2.5 ghz [1] > 10 db input r esistance between in+ and in- between pins 3 and 4 150 input voltage r ange v diffin = v in+ - v in- 1.6 v rmsout output o utput voltage r ange 0.4 to 2.9 v s ource/ s ink c urrent c ompliance r m so u t held at v cc /2 8 / -0.524 ma o utput s lew r ate (rise / fall) s ci4= s ci3= s ci2= s ci1=0v, c ofs=1nf 17.92 / 1.41 10 6 v/s vset input (negative feedback terminal) input voltage r ange for control applications with nominal slope/intercept settings 0.4 to 2.9 v input r esistance 5 m sci1-4 inputs, enx logic input (power down control) input high voltage 0.7xvcc v input low voltage 0.3xvcc v input high c urrent 1 a input low c urrent 1 a input c apacitance 0.5 pf power supply s upply voltage 4.5 5 5.5 v s upply c urrent with no input power 40 ma typical at -40 c , 54.5 ma typical at 85 c 47.5 ma s upply c urrent with pin = 0 dbm 42 ma typical at -40 c , 57 ma typical at 85 c 50 ma s tandby mode s upply c urrent 5 ma [1] performance of differential input confguration is limited by the balun. baluns used is m/a- co m etc 1-1-13 specifed over 4.5 to 3000 mhz HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 4 rmsout & error vs. pin @ 100 mhz [1][2] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err +25 c err +85 c err -40 c ideal logout +25 c logout +85 c logout -40 c rmsout (v) error (db) input power (dbm) rmsout & error vs. pin @ 1900 mhz [1][2] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err +25 c err +85 c err -40 c ideal logout +25 c logout +85 c logout -40 c rmsout (v) error (db) input power (dbm) rmsout & error vs. pin @ 900 mhz [1][2] rmsout & error vs. pin @ 2200 mhz [1][2] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err +25 c err +85 c err -40 c ideal logout +25 c logout +85 c logout -40 c rmsout (v) error (db) input power (dbm) 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err +25 c err +85 c err -40 c ideal logout +25 c logout +85 c logout -40 c rmsout (v) error (db) input power (dbm) rmsout & error vs. pin @ 2700 mhz [1][2] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err +25 c err +85 c err -40 c ideal logout +25 c logout +85 c logout -40 c rmsout (v) error (db) input power (dbm) rmsout & error vs. pin @ 3500 mhz [1][2] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err +25 c err +85 c err -40 c ideal logout +25 c logout +85 c logout -40 c rmsout (v) error (db) input power (dbm) [1] sc i1= sc i4=0v, sc i2= sc i3=5v [2] wc dma 4 carriers input waveform HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 5 rmsout & error vs. pin @ 3900 mhz [1][2] intercept vs. frequency [1][2] slope vs. frequency [1][2] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err +25 c err +85 c err -40 c ideal logout +25 c logout +85 c logout -40 c rmsout (v) error (db) input power (dbm) -80 -75 -70 -65 -60 -55 -50 -45 -40 0 500 1000 1500 2000 2500 3000 3500 4000 +25c +85c -40c frequency (mhz) intercept (dbm) 30 35 40 45 50 55 60 0 500 1000 1500 2000 2500 3000 3500 4000 +25c +85c -40c frequency (mhz) slope (mv/db) [1] sc i1= sc i4=0v, sc i2= sc i3=5v [2] wc dma 4 carriers input waveform -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) error (db) rmsout vs. pin with wcdma 4 carrier @ +25 c [1] rmsout error vs. pin with wcdma 4 carrier @ +25 c [1] 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) rmsout (v) -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) error (db) rmsout error vs. pin with wcdma 4 carrier @ +85 c wrt +25 c response [1] HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 6 -4 -3 -2 -1 0 1 2 3 4 -70 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) error (db) rmsout error vs. pin with wcdma 4 carrier @ -40 c wrt +25 c response [1] [1] sc i1= sc i4=0v, sc i2= sc i3=5v rmsout vs. pin with cw @ +25 c [1] rmsout error vs. pin with cw @ +25 c [1] 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) rmsout (v) -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) error (db) reading error for wcdma 4 carrier wrt cw response @ +25 c [1] rmsout vs. pin w/ cw & wcdma 4 carrier (tm1-64 dpch) @ 1900 mhz & +25 c [1] -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) error (db) 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsout (v) rmsout vs. pin w/ cw & wcdma 4 carrier (tm1-64 dpch) @ 1900 mhz & +85 c [1] 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsout (v) HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 7 [1] sc i1= sc i4=0v, sc i2= sc i3=5v -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) error (db) reading error for wcdma 4 carrier wrt cw response @ +85 c [1] 0 0.5 1 1.5 2 2.5 3 -70 -60 -50 -40 -30 -20 -10 0 10 cw wcdma input power (dbm) rmsout (v) -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 -70 -60 -50 -40 -30 -20 -10 0 10 100 mhz 900 mhz 1900 mhz 2200 mhz 2700 mhz 3500 mhz 3900 mhz input power (dbm) error (db) rmsout vs. pin w/ cw & wcdma 4 carrier (tm1-64 dpch) @ 1900 mhz & -40 c [1] reading error for wcdma 4 carrier wrt cw response @ -40 c [1] output response with sci = 0000 @ 1900 mhz output response with sci = 1111 @ 1900 mhz 0 0.5 1 1.5 2 2.5 3 -5 0 5 10 15 20 25 -20 0 20 40 60 80 100 120 140 160 180 -20 dbm 0 dbm rmsout (v) rf enable voltage (v) time (ms) rmsout rf enable rf on rf off rf off 0 0.5 1 1.5 2 2.5 3 -5 0 5 10 15 20 25 -2 0 2 4 6 8 10 12 14 16 18 -20 dbm 0 dbm rmsout (v) rf enable voltage (v) time (s) rmsout rf enable rf on rf off rf off typical supply current vs. pin, vcc = 5v 35 40 45 50 55 60 -70 -60 -50 -40 -30 -20 -10 0 10 +25 c +85 c -40 c input power (dbm) supply current (ma) HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 8 output ripple & rise/fall time vs. integration setting [sci4,sci3,sci2,sci1] in decimal 0 300 600 900 1200 1500 1800 0.1 1 10 100 1000 10000 100000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 rise time fall time ripple with wcdma4tm ripple with wcdma1tm ripple with 8 tone (1khz seperation) ripple with 8 tone (10khz seperation) output ripple peak-peak (mv) rise time & fall time (s) integration setting (in decimal) input return loss vs. frequency -35 -30 -25 -20 -15 -10 -5 0 0 1 2 3 4 5 6 frequency (ghz) return loss (db) defined in large part by balun: m/a-com balun #etc1-1-113; 4.5 mhz to 3000 mhz HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 9 outline drawing n otes : 1. l e adf r am e ma ter ial: co pp er all o y 2. dim e n s i o n s a re in in c h es [millim eters ]. 3. l e ad s pa c ing to l er an ce i s n o n- c umula t iv e 4. pad bu rr l e ng t h s hall b e 0.15mm maximum. pad bu rr h e igh t s hall b e 0.05mm maximum. 5. pa c kag e w a r p s hall n ot e x cee d 0.05mm. 6. all g ro und l e ad s and g ro und paddl e mu st b e so ld ere d to p c b r f g ro und. 7. re f er to hm c appli c a t i o n n ote f or s ugg este d p c b land pa tter n. package information absolute maximum ratings s upply voltage (vcc) 5.6v r f input power 16 dbm differential input voltage 1.6 vp-p c hannel / junction t emperature 125 c c ontinuous pdiss ( t = 85 c ) (derate 34.87 m w / c above 85 c ) 1.39 w t hermal r esistance ( r th ) (junction to ground paddle) 28.68 c / w s torage t emperature -65 to +150 c o perating t emperature -40 to +85 c e l ectrost a t ic se n s i t iv e de vi ce o b ser v e handling p rec au t i o n s part number package body material lead finish m s l r ating package marking [1] hm c 1010lp4 e r oh s -compliant low s tress injection molded plastic 100% matte s n m s l1 [2] h1010 xxxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 10 pin number function description interface s chematic 1, 16, 21, 23 vcc power s upply. c onnect supply voltage to these pins with appropriate fltering. 2, 5, 6, 8, 11 - 13, 22, 24 package base gnd package bottom has an exposed metal paddle that must be connected to r f/d c ground. 3, 4 in+, in- r f input pins. c onnect r f to in+ and in- through a 1:1 balun 7 e nx disable pin. c onnect to gnd for normal operation. applying voltage v>0.8xvcc will initiate power saving mode pin descriptions HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 11 pin descriptions (continued) pin number function description interface s chematic 9, 10 co fs a, co fs b high pass flter capacitor input. c onnect a capacitor between co fs a and co fs b to determine 3 db point of input signal high-pass flter. 14 v set s etpoint input for controller mode. allows change of output slope resulting in output power leveling. 15 r m so u t logarithmic output that provides an indication of mean square input power. 17 - 20 sc i1 - sc i4 digitally programmable integration bandwidth c ontrol. input pins that control the internal integration time constant for r m s calculation. sc i4 is the most signifcant bit. s et v>0.8xvcc to enable and v<0.2xvcc to disable (active high). s hortest integration time is for sc i=0000, longest integration time is for sc i=1111. e ach step changes the integration time by 1 octave. HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 12 application circuit - differential confguration HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 13 evaluation pcb - differential confguration t he circuit board used in the application should use r f circuit design techniques. s ignal lines sho- uld have 50 o hm impedance while the package ground leads and exposed paddle should be con - nected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. t he evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 128694 [1] item description j1, j2 p c mount s ma c onnector t p1 - t p9 d c pin c 1, c 10, c 16 100 pf c apacitor, 0402 pkg. c 3, c 4, c 6 1000 pf c apacitor, 0402 pkg. c 2, c 5, c 11, c 17 100 nf c apacitor, 0402 pkg. r 1 68 o hm r esistor, 0402 pkg. r 2, r 12 - r 15 10 k r esistor, 0402 pkg. r 3, r 9, r 10 0 o hm r esistor, 0402 pkg. r 6, r 7 4.7 k r esistor, 0402 pkg. t 1 1:1 balun, m/a- co m etc 1-1-13 u1 hm c 1010lp4 e r m s power detector p c b [2] 128691 e valuation p c b [1] r eference this number when ordering complete evaluation p c b [2] c ircuit board material: r ogers 4350 HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 14 application circuit - single-ended confguration, 900 mhz tune note: for the values of c 3, c 4, r 4, r 10, r 11, l1, refer to s ingle- e nded input interface in application information HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 15 evaluation pcb - single-ended confguration, 900 mhz tune t he circuit board used in the application should use r f circuit design techniques. s ignal lines sho- uld have 50 o hm impedance while the package ground leads and exposed paddle should be con - nected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. t he evaluation circuit board shown is available from hittite upon request. board is confgured with single-ended interface suitable for input signal frequencies at 900 mhz. r efer to section on tuning single-ended interface in application information for operating with signals at other frequencies. list of materials for evaluation pcb 130436 [1] item description j1, j2 s ma c onnector t p1 - t p9 d c pin c 1, c 3, c 10, c 16 100 pf c apacitor, 0402 pkg. c 2, c 5, c 11, c 17 100 nf c apacitor, 0402 pkg. c 4 5.6 pf c apacitor, 0402 pkg. c 6 1000 pf c apacitor, 0402 pkg. r 2, r 12 - r 15 10 k r esistor, 0402 pkg. r 3, r 5, r 9, r 10 0 o hm r esistor, 0402 pkg. r 4 27 o hm r esistor, 0402 pkg. r 6, r 7 4.7 k r esistor, 0402 pkg. r 11 82 o hm r esistor, 0402 pkg. l1 6.8 nh inductor, 0402 pkg. u1 hm c 1010lp4 e r m s power detector p c b [3] 128683 e valuation p c b [1] r eference this number when ordering complete evaluation p c b [2] c ircuit board material: r ogers 4350 HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 16 monolithic true- r m s detectors are in-effect analog calculators, calculating the r m s value of the input signal, unlike other types of power detectors which are designed to respond to the r f signal envelope. at the core of an r m s detector is a full-wave rectifer, log/antilog circuit, and an integrator. t he r m s output signal is directly proportional to the logarithm of the time-average of v in 2 . t he bias block also contains temperature compensation circuits which stabilize output accuracy over the entire operating temperature range. t he d c offset cancellation circuit actively cancels internal offsets so that even very small input signals can be measured accurately. confguration for the typical application t he r f input can be connected in differential confguration, or single-ended confguration: see r f input interface section for details on input confguration. t he r m s output signal is typically connected to v set , through a resistive network providing a pin -> r m so u t transfer characteristic slope of 36.6mv/dbm ( at 900 mhz), however the r m s output can be re-scaled to magnify a specifc portion of the input sensing range, and to fully utilize the dynamic range of the r m s output. r efer to the section under the log-slope and intercept heading for details. due to part-to-part variations in log-slope and log-intercept, a system-level calibration is recommended to satisfy absolute accuracy requirements: refer to the s ystem c alibration section for more details. 0 1 2 3 4 -65 -45 -25 -5 15 ideal measured input power (dbm) rmsout (v) rmsout vs. p in application information principle of operation p in = r m so u t / [log-slope] + [log-intercept], dbm HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 17 rf input interface t he in+ and in- pins are differential r f inputs, which can be externally confgured with differential or single-ended input. power match components are placed at these input terminals, along with d c blocking capacitors. t he coupling capacitor values also set the lower spectral boundary of the input signal bandwidth. differential (diff) input interface: t he value of r 1 depends on the balun used; if the balun is 50 on both sides of the se -diff conversion, then r 1 = (150 * r m)/ (150 - r m) , where r m = the desired power match impedance in ohms for r m = 50, r 1 = 75 68 single-ended (se) input interface: t uned se -interface for signal frequency = 900 mhz use r 4 = 27, r 11 = 82, c 3 = 100 pf, l1=6.8nh, c 4=5.6pf, r 10 = 0. r efer to application circuit for single-ended confguration on page 11-14. [1] cw input waveform. rmsout & error vs. pin using tuned se-interface: 900 100 mhz [1] 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err 800mhz err 900mhz err 1000mhz logout 800mhz logout 900mhz logout 1000mhz rmsout (v) error (db) input power (dbm) HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 18 [1] cw input waveform. [2] input signal is 1900 mhz cw -tone switched on and off [3] measured from r f switching edge to 1db (input referred) settling of r m so u t . rms output interface and transient response t he hm c 1010lp4 features digital input pins ( sc i1- sc i4) that control the internal integration time constant. o utput transient response is determined by the digital integration controls, and output load conditions. t he sc i4 is the most signifcant bit, and longest integration time is for sc i=1111. using larger values of sc i will narrow the operating bandwidth of the integrator, resulting in a longer averaging time- interval and a more fltered output signal; however it will also slow the power detectors transient response. a larger sc i value favors output accuracy over speed. for the fastest possible transient settling times set sc i to 0000. t his confguration will operate the integrator at its widest possible bandwidth, resulting in short averaging time-interval and an output signal with little fltering. most applications will choose a sc i setting that maintains balance between speed and accuracy. furthermore, error performance over modulation bandwidth is dependent on the sc i setting. for example modulations with relatively low frequency components and high crest factors may require higher sc i (integration) settings. table: transient response vs. sci setting [2] : r m so u t r ise- t ime 10% -> 90% (s) r m so u t r ise s ettling t ime (s) [3] r m so u t fall-time 100% -> 10% (s) sc i4,3,2,1 pin = 0 dbm pin = -20 dbm pin = -40 dbm pin = 0 dbm pin = -20 dbm pin = -40 dbm pin = 0 dbm pin = -20 dbm pin = -40 dbm 0000 0.062 0.038 0.034 0.504 0.546 0.422 1.73 1.73 1.79 0010 0.06 0.045 0.18 0.63 0.63 0.495 5.55 5.55 5.85 0100 0.08 0.06 1.6 2.8 2.65 2.5 22.4 22.3 23.6 0110 1.6 4 7.7 10.5 11 10 93.5 91 96 1000 7 17 31 40 45 45 378 372 386 1010 30 70 138 170 184 182 1510 1510 1590 1100 120 300 580 630 770 780 6400 6400 6600 1111 1200 2400 5000 6700 7200 14200 53000 53000 55000 0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 -4 -3 -2 -1 0 1 2 3 4 -60 -50 -40 -30 -20 -10 0 10 err 2000mhz err 2100mhz err 2200mhz logout 2000mhz logout 2100mhz logout 2200mhz rmsout (v) error (db) input power (dbm) rmsout & error vs. pin using tuned se-interface: 2100 100 mhz [1] please contact hittite c ustomer s upport for single-ended tuning for other signal frequencies. a d c bias (vcc-1.2v) is present on the in+ and in- pins, and should not be overridden t uned se -interface for signal frequency = 2100 mhz use r 4 = 27, r 11 = 82, c 3 = 100 pf, l1=2.4nh, c 4=2pf, r 10 = 0. r efer to application circuit for single-ended confguration on page 11-14. HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 19 [1] measured from 10% to 90% [2] measured from r f switching edge to 1db (input referred) settling of r m so u t . [3] measured from 100% to 10% rise time [1] vs. sci setting over input power residual ripple for 2.6 ghz wimax ofdm advanced 802.16 @ sci = 0100 fall time [3] vs. sci setting over input power rise settling time [2] vs. sci setting over input power residual ripple for 2.6 ghz wimax ofdm advanced 802.16 @ sci = 0101 1 10 100 1000 10000 100000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -40 dbm -20 dbm 0 dbm integration setting (in decimal) fall time (us) for increased load drive capability, consider a buffer amplifer on the rms output. using an integrating amplifer on the rms output allows for an alternative treatment for faster settling times. an external amplifer optimized for transient settling can also provide additional rms fltering, when operating hmc 1010lp4e with a lower sc i value. following fgures show how the peak-to-peak ripple decreases with higher sc i settings along with the rf pulse response over different modulations. 0.01 0.1 1 10 100 1000 10000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -40 dbm -20 dbm 0 dbm integration setting (in decimal) rise time (us) 0.1 1 10 100 1000 10000 100000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -40 dbm -20 dbm 0 dbm integration setting (in decimal) rise time (us) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 50 100 150 200 250 300 350 400 450 500 sci = 0000 sci = 0100 rmsout (v) rf input voltage (mv) time (us) rf input rmsout 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 50 100 150 200 250 300 350 400 450 500 sci = 0000 sci = 0101 rmsout (v) rf input voltage (mv) time (us) rf input rmsout HMC1010LP4E v01.0410 rtcdisdgrdtg4gn4sr tndfdfpmdpau
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 20 residual ripple for 2.6 ghz wibro @ sci = 0100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 sci = 0000 sci = 0100 rmsout (v) rf input voltage (mv) time (ms) rf input rmsout residual ripple for 2.6 ghz wibro @ sci = 0110 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 -100 -80 -60 -40 -20 0 20 40 60 80 100 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 sci = 0000 sci = 0110 rmsout (v) rf input voltage (mv) time (ms) rf input rmsout residual ripple for 2.6 ghz lte downlink @ sci = 0100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 sci = 0000 sci = 0100 time (ms) rmsout (v) residual ripple for 2.6 ghz lte downlink @ sci = 0110 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 sci = 0000 sci = 0110 time (ms) rmsout (v) residual ripple for 2.6 ghz wcdma @ sci = 0011 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 50 100 150 200 250 300 350 400 450 500 sci = 0000 sci = 0011 time (us) rmsout (v) residual ripple for 2.6 ghz wcdma @ sci = 0100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 50 100 150 200 250 300 350 400 450 500 sci = 0000 sci = 0100 time (us) rmsout (v) HMC1010LP4E v01.0410 rtcdisdgrdtg4gn4sr tndfdfpmdpau
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 21 log-slope and intercept t he hm c 1010lp4 provides for an adjustment of output scale with the use of an integrated operational amplifer. logslope and intercept can be adjusted to magnify a specifc portion of the input sensing range, and to fully utilize the dynamic range of the r m s output. a log-slope of 37.3 mv/db (@1900 mhz) is set by connecting r m s o utput to v set through resistor network for ? = 1 (see application schematic). t he log-slope is adjusted by applying the appropriate resistors on the r m s and v set pins. log-intercept is adjusted by applying a d c voltage to the v set pin. o ptimized slope = ? * log-slope o ptimized intercept = log-intercept C ( r fbk / r set ) * vblin e r fbk r fbk // r s hun t // r set ? = w hen r fbk =0 to set r m so u t =v set , then ?=1/2 if rset is not populated, then ? = ? * ( r fbk/ ( r fbk // rs hun t )) and intercept is at nominal value. e xample: t he logarithmic slope can be simply increased by choosing appropriate r fbk and rs hun t values while not populating the rset resistor on the evaluation board to keep the intercept at nominal value. s etting r fbk =4.7k and rs hun t = 2.2k results in an optimized slope of: o ptimized s lope = ? * log_slope = 1.57* 37.3mv / db o ptimized s lope = 58 mv / db slope adjustment 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 -70 -60 -50 -40 -30 -20 -10 0 10 high slope nominal input power (dbm) rmsout (v) slope = 58 mv/db rset = open rfbk = 4.7 kohm rshunt = 2.2 kohm slope = 37.3 mv/db rset = open rfbk = 4.7 kohm rshunt = 4.7 kohm HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 22 e xample: t he logarithmic intercept can also be adjusted by choosing appropriate r fbk , r s hun t , and r set values. s etting r fbk = 4.7k, r s hun t =2.2k, and r set = 24k results in an optimized slope of: o ptimized s lope = ? * log_slope = 1.67 * 37.3 mv / db o ptimized s lope = 62 mv / db o ptimized intercept = log_intercept C( r fbk/ rset )*vblin e o ptimized intercept = log_intercept - 0.196 * vblin e intercept adjustment 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 -70 -60 -50 -40 -30 -20 -10 0 10 vbline = -3.2 v vbline = -1.6 v vbline = -0.8 v vbline = 0 v vbline = +0.8 v vbline = +1.6 v vbline = +3.2 v input power (dbm) rmsout (v) rset = 24 kohm rfbk = 4.7 kohm rshunt = 2.2 kohm dc offset compensation loop internal d c offsets, which are input signal dependant, require continuous cancellation. o ffset cancellation is a critical function needed for maintenance of measurement accuracy and sensitivity. t he d c offset cancellation loop performs this function, and its response is largely defned by the capacitance ( co f s ) connected between co f s a, co f s b pins. co f s sets the loop bandwidth of the d c offset compensations. higher co f s values are required for measuring lower r f frequencies. t he optimal loop bandwidth setting will allow internal offsets to be cancelled at a minimally acceptable speed. d c o ffset c ancellation loop bandwidth , hz for example: loop bandwidth for d c cancellation with c o fs = 1nf, bandwidth is ~62 khz HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com power detectors - s m t 11 11 - 23 standby mode t he e nx can be used to force the power detector into a low-power standby mode. as e nx is deactivated, power is restored to all of the circuits. t here is no memory of previous conditions. c oming-out of stand-by, internal integration and c o fs capacitors will require recharging, so if large sc i values have been chosen, the wake-up time will be lengthened. modulation performance C crest factor performance t he hm c 1010lp4 e can detect modulated signals with very high crest factors accurately. for example, up to 2.7 ghz, a modulated r f signal with a crest factor of 15 db can be detected with 0.2 db error. rmsout error vs. crest factor over frequency -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 3 4 5 6 7 8 9 10 11 12 13 14 15 900 mhz error from cw (-22 dbm) 1900 mhz error from cw (-22 dbm) 2700 mhz error from cw (-22 dbm) 3900 mhz error from cw (-22 dbm) crest factor (db) rmsout error (db) system calibration due to part-to-part variations in log-slope and log-intercept, a system-level calibration is recommended to satisfy absolute accuracy requirements. w hen performing this calibration, choose at least two test points: near the top end and bottom-end of the measurement range. it is best to measure the calibration points in the regions (of frequency and amplitude) where accuracy is most important. derive the log-slope and log-intercept, and store them in non- volatile memory. for example if the following two calibration points were measured at 2.2 ghz: w ith r m so u t = 2.321v at pin= -5 dbm, and r m so u t = 0.809v at pin= -45 dbm slope calibration constant = scc scc = (-45+5)/(0.809-2.321) = 26.45 db/v intercept calibration constant = i cc i cc = pin C scc * r m so u t = -5 C 26.45 * 2.321 = -66.39 dbm now performing a power measurement at -25 dbm: r m so u t measures 1.559v [measured pin] = [measured r m so u t ]* scc + i cc [measured pin] = 1.559*26.45 C 66.39 = -25.155 dbm an error of only 0.155 db factory system calibration measurements should be made using an input signal representative of the application. if the power detector will operate over a wide range of frequencies, choose a central frequency for calibration. HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com p ower d etectors - s m t 11 11 - 24 layout considerations ? mount r f input coupling capacitors close to the in+ and in- pins. ? s older the heat slug on the package underside to a grounded island which can draw heat away from the die with low thermal impedance. t he grounded island should be at r f ground potential. ? c onnect power detector ground to the r f ground plane, and mount the supply decoupling capacitors close to the supply pins. defnitions ? log-slope: slope of p in C> r m so u t transfer characteristic. in units of mv/db ? log-intercept: x-axis intercept of p in C> r m so u t transfer characteristic. in units of dbm. ? r m s o utput e rror: t he difference between the measured p in and actual p in using a line of best ft. [measured_p in ] = [measured_ r m so u t ] / [best-ft-slope] + [best-ft-intercept], dbm ? input dynamic r ange: the range of average input power for which there is a corresponding r m s output voltage with r m s o utput e rror falling within a specifc error tolerance. ? c rest factor: peak power to average power ratio for time-varying signals. HMC1010LP4E v01.0410 rms power detector dc - 3.9 ghz

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