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12 - 1 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 variable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 functional diagram electrical specifcations, t a = +25 c, 50 ohm system vdd = +5v, vcc = +5v t he h m c743 lp 6c( e ) is ideal for: ? cellular/3g infrastructure ? wibro, wimax & lte/4g ? microwave radio & vsat ? test equipment and sensors ? if & rf applications -45 to +18 db gain control in 0.5 db steps power-up state selection high output ip3: +33 dbm ttl/cmos compatible serial control 0.25 db typical gain step error single +5v supply 40 lead 6x6 mm smt package: 36 mm 2 the HMC743LP6C(e) is a digitally controlled variable gain amplifer which operates from dc to 4 ghz, can be programmed to provide 63 db of gain control in 0.5 db steps and delivers output ip3 of up to +33 dbm. the gain control interface accepts a three wire serial input word and allows independent or simultaneous control of two 6-bit digital attenuators. the HMC743LP6C(e) also features a user selectable power up state and a serial output for cascading other serially controlled hittite products. the HMC743LP6C(e) is housed in an rohs compliant 6x6 mm qfn leadless package, and requires minimal external components. parameter min. typ. m ax. min. typ. m ax. units frequency range 70 - 1000 700 - 4000 mhz gain (maximum gain state) 15.5 18.5 6 13 d b gain control range 63 63 d b input return loss 18 19 output return loss 15 17 d b gain accuracy: (referenced to maximum gain state) all gain states 70 - 350 mhz: (0.3 + 3.5%) 350 - 750 mhz: (0.3 + 6.0%) 750 - 1000 mhz: (0.3 + 4.0%) 0.7 - 1.7 ghz: (0.3 + 4.5%) 1.7 - 3.2 ghz: (0.3 + 4.0%) 3.2 - 4.0 ghz: (0.3 + 5.0%) d b d b d b output power for 1 db compression 18 17 dbm output third order intercept point (two-tone output power= 8 dbm each tone) 33 28 dbm noise figure 6 7 d b switching characteristics 100 160 100 160 ns ns trise, tfall (10 / 90% rf) ton, toff (latch enable to 10 / 90% rf) supply current (idd) 2 2 ma supply current (icc) 82 102 82 102 ma typical applications features general description 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz
12 - 2 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 v ariable gain amplifiers - digital - smt 12 input return loss relative gain setting (referenced to maximum gain state) maximum gain vs. temperature output return loss bit error vs. frequency bit error vs. relative gain state (major frequencies) HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz 70 to 1000 mhz tuning 10 12 14 16 18 20 22 0 0.2 0.4 0.6 0.8 1 +25 c +85 c -40 c gain (db) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 0 0.2 0.4 0.6 0.8 1 relative gain (db) frequency (ghz) 8db 16db 31.5db 63db -40 -30 -20 -10 0 0 0.2 0.4 0.6 0.8 1 return loss (db) frequency (ghz) 16db 63db max gain state -40 -30 -20 -10 0 0 0.2 0.4 0.6 0.8 1 return loss (db) frequency (ghz) 63db max gain state 31.5db 16db -2 -1 0 1 2 3 4 0 0.2 0.4 0.6 0.8 1 bit error (db) frequency (ghz) 63db 31.5db 16db -1 0 1 2 3 0 8 16 24 32 40 48 56 64 bit error (db) relative gain setting (db) 0.5, 0.7ghz 0.1, 0.3ghz 0.9ghz
12 - 3 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 variable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz relative phase vs. frequency step error vs. frequency (worst case) reverse isolation (major states) output p1db vs. temperature [1] output ip3 vs. temperature [1] psat vs. temperature [1] 70 to 1000 mhz tuning -20 -10 0 10 20 0 0.2 0.4 0.6 0.8 1 relative phase (deg) frequency (ghz) 63db 31.5db 16db -1 -0.5 0 0.5 1 0 0.2 0.4 0.6 0.8 1 step error (db) frequency (ghz) 47, 47.5db 0db 56, 58, 60, 62db -100 -90 -80 -70 -60 -50 -40 -30 -20 0 0.2 0.4 0.6 0.8 1 reverse isolation (db) frequency (ghz) 31.5db 16db 16db 8db 0, 0.5, 1, 2, 4db 63db 14 15 16 17 18 19 20 0 0.2 0.4 0.6 0.8 1 +25 c +85 c -40 c p1db (dbm) frequency (ghz) 16 17 18 19 20 21 22 0 0.2 0.4 0.6 0.8 1 +25 c +85 c -40 c psat (dbm) frequency (ghz) 24 28 32 36 40 0 0.2 0.4 0.6 0.8 1 +25 c +85 c -40 c ip3 (dbm) frequency (ghz) [1] max gain state
12 - 4 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 v ariable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz noise figure vs. frequency [1] input attenuator relative attenuation (major states) input attenuator bit error vs. frequency (major states) input attenuator relative phase vs. frequency (major states) input attenuator bit error vs. attenuation state (major frequencies) output attenuator relative attenuation (major states) 70 to 1000 mhz tuning 0 2 4 6 8 10 12 14 0 0.2 0.4 0.6 0.8 1 +25 c +85 c -40 c noise figure (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0 0.2 0.4 0.6 0.8 1 relative gain (db) frequency (ghz) 31.5db 16db 16db 8db 4db 0.5, 1, 2db -2 -1 0 1 2 0 0.2 0.4 0.6 0.8 1 bit error (db) frequency (ghz) 31.5db 31.5db 16db -1 0 1 2 3 0 8 16 24 32 40 48 56 64 bit error (db) relative gain state (db) 0.5, 0.7db 0.3, 0.9db relative gain state (db) 0.3, 0.9db 0.1db -20 -10 0 10 20 0 0.2 0.4 0.6 0.8 1 relative phase (deg) frequency (ghz) 31.5db 8, 16db 0.5, 1, 2, 4db -35 -30 -25 -20 -15 -10 -5 0 0 0.2 0.4 0.6 0.8 1 relative gain (db) frequency (ghz) 31.5db 16db 8db 4db 0.5, 1, 2db [1] max gain state
12 - 5 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 variable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz output attenuator bit error vs. frequency (major states) output attenuator relative phase vs. frequency (major states) output attenuator bit error vs. attenuation state (major frequencies) 70 to 1000 mhz tuning -2 -1 0 1 2 0 0.2 0.4 0.6 0.8 1 bit error (db) frequency (ghz) 31.5db 16db 8db -1 0 1 2 3 0 8 16 24 32 40 48 56 64 bit error (db) relative gain state (db) 0.5, 0.7ghz 0.3, 0.9ghz 0.1ghz -20 -10 0 10 20 0 0.2 0.4 0.6 0.8 1 relative phase (deg) frequency (ghz) 31.5db 8, 16db 0.5, 1, 2, 4db
12 - 6 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 v ariable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz maximum gain vs. temperature input return loss output return loss relative gain setting (referenced to maximum gain state) bit error vs. frequency bit error vs. relative gain state (major frequencies) 0.7 to 4.0 ghz tuning 4 8 12 16 20 0.5 1 1.5 2 2.5 3 3.5 4 +25 c +85 c -40 c gain (db) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 0.5 1 1.5 2 2.5 3 3.5 4 relative gain (db) frequency (ghz) 63db 31.5db 16db 8db -40 -30 -20 -10 0 0.5 1 1.5 2 2.5 3 3.5 4 return loss (db) frequency (ghz) 63db 16db 31.5db 0.5db -40 -30 -20 -10 0 0.5 1 1.5 2 2.5 3 3.5 4 return loss (db) frequency (ghz) 63db 31.5db 0db -2 -1 0 1 2 3 4 0.5 1 1.5 2 2.5 3 3.5 4 bit error (db) frequency (ghz) 63db 31.5db 16db -1 0 1 2 3 0 8 16 24 32 40 48 56 64 bit error (db) relative gain state(db) 1.0, 4.0ghz 2.0, 3.0ghz
12 - 7 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 variable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz relative phase vs. frequency step error vs. frequency (worst case) output p1db vs. temperature [1] psat vs. temperature [1] output ip3 vs. temperature [1] reverse isolation 0.7 to 4.0 ghz tuning -10 0 10 20 30 40 50 60 0.5 1 1.5 2 2.5 3 3.5 4 relative phase (deg) frequency (ghz) 63db 31.5db 16db 8db -1 -0.5 0 0.5 1 0.5 1 1.5 2 2.5 3 3.5 4 step error (db) frequency (ghz) 15db 62.5db 47db 31db 31db 31.5db -90 -80 -70 -60 -50 -40 -30 -20 0.5 1 1.5 2 2.5 3 3.5 4 reverse isolation (db) frequency (ghz) 31.5db 16db 8db 4db 0.5, 1, 2db 63db 4 9 14 19 24 0.5 1 1.5 2 2.5 3 3.5 4 +25 c +85 c -40 c p1db(dbm) frequency (ghz) 4 9 14 19 24 0.5 1 1.5 2 2.5 3 3.5 4 +25 c +85 c -40 c psat (dbm) frequency (ghz) 10 15 20 25 30 35 40 0.5 1 1.5 2 2.5 3 3.5 4 +25 c +85 c -40 c ip3 (dbm) frequency (ghz) [1] max gain state
12 - 8 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 v ariable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz noise figure vs. frequency [1] input attenuator relative attenuation (major states) input attenuator bit error vs. frequency (major states) input attenuator bit error vs. attenuation state (major frequencies) output attenuator relative attenuation (major steps) input attenuator relative phase vs. frequency (major states) 0.7 to 4.0 ghz tuning 0 4 8 12 16 0.5 1 1.5 2 2.5 3 3.5 4 +25 c +85 c -40 c noise figure(db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0.5 1 1.5 2 2.5 3 3.5 4 relative gain (db) frequency (ghz) 31.5db 16db 8db 4db 0.5, 1, 2db -2 -1 0 1 2 0.5 1 1.5 2 2.5 3 3.5 4 bit error (db) frequency (ghz) 31.5db 8, 16db 0.5, 1, 2, 4db -1 0 1 2 3 0 8 16 24 32 40 48 56 64 bit error (db) relative gain state (db) 2.0, 3.0ghz 1.0, 4.0ghz -30 -20 -10 0 10 20 30 0.5 1 1.5 2 2.5 3 3.5 4 relative phase (deg) frequency (ghz) 31.5db 16db 8db -35 -30 -25 -20 -15 -10 -5 0 0.5 1 1.5 2 2.5 3 3.5 4 relative gain (db) frequency (ghz) 31.5db 16db 8db 4db 0.5, 1, 2db [1] max gain state
12 - 9 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 variable gain amplifiers - digital - smt 12 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz output attenuator bit error vs. frequency (major states) output attenuator relative phase vs. frequency (major states) output attenuator bit error vs. attenuation state (major frequencies) 0.7 to 4.0 ghz tuning -2 -1 0 1 2 0.5 1 1.5 2 2.5 3 3.5 4 bit error (db) frequency (ghz) 31.5db 0.5, 1, 2, 4, 8, 16db -1 0 1 2 3 0 8 16 24 32 40 48 56 64 bit error (db) relative gain state (db) 1.0, 4.0ghz 2.0, 3.0ghz -40 -20 0 20 40 0.5 1 1.5 2 2.5 3 3.5 4 relative phase (deg) frequency (ghz) 31.5db 16db 8db 0.5, 1, 2, 4db
12 - 10 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 v ariable gain amplifiers - digital - smt 12 serial control interface the HMC743LP6C(e) contains a 3-wire spi compatible digital interface (serin, clk, lea (or leb)) that is used to control the input and output gain control elements (digital attenuators). the input (in) and output (out) attenuators can be individually controlled thru the latch enable pins. the lea pin latches the serial 6-bit control word to the output attenuator. the leb pin latches the serial 6-bit control word to the input attenuator. the 6-bit serial word can be loaded either msb frst or lsb frst depending on the state of the bo (bit order) pin. setting bo to high confgures the serial controller to operate in lsb frst mode. setting bo to low confgures the serial controller to operate in msb frst mode. when lea or leb (or both) is raised to a logic high, 6-bit data in the serial input register is transferred to the input attenuator or the output attenuator (or both). while either lea or leb are high, clk signal must be masked or stopped to prevent data transition during output loading. parameter typ. min. serial period, t sck 100 ns control set-up time, t c s 20 ns control hold-time, t ch 20 ns le setup-time, t ln 10 ns min. le pulse width, t lew 10 ns min le pulse spacing, t les 630 ns serial clock hold-time from le, t ckn 10 ns HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz pup truth table le (a and b) pu p 1 pu p 2 gain relative to max setting 0 0 0 -63 d b 0 1 1 0 d b power-up states the HMC743LP6C offers two different power up states, either full attenuation or maximum gain mode. see truth table. power-on sequence the ideal power-up sequence is: gnd, vdd, digital inputs, rf inputs. the relative order of the digital inputs are not important as long as they are powered after vdd / gnd timing diagram timing diagram is used for either input or output digital gain control. control word is shown with msb frst (bo = low) confguration.
12 - 11 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 variable gain amplifiers - digital - smt 12 outline drawing n o tes : 1. leadframe material : co pper all oy 2. dimensi o ns are in in ch es [ millimeters ] 3. lead spa c ing to leran c e is n o n -cu m u lati v e . 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all gr ou nd leads and gr ou nd paddle m u st be s o ldered to p c b rf gr ou nd . 7. refer to h ittite appli c ati o n n o te f o r s u ggested land pattern . HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz absolute maximum ratings rf input power [1] 11.5 dbm (t = +85 c) digital inputs ( clk, lea, leb, serin, pup1, pup2 & b0 ) -0.5v to vdd +0.5v bias voltage (vdd) 5.6v collector bias voltage (vcc) 5.5v channel temperature 150 c continuous pdiss (t = 85 c) (derate 14.5 mw/ c above 85 c) [1] 1.09 w thermal resistance 69 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c [1] at max gain settling ele c tr o stati c sensiti v e de v ic e o bser v e h andling pre c a u ti o ns bias voltage voltage (v) current (typ.) (ma) vdd + 3.0 1 + 5.0 2 vcc + 5.0 82 control voltage input attenuation d 5 d 4 d 3 d 2 d 1 d 0 high high high high high high 0 d b high high high high high low -0.5 d b high high high high low high -1 d b high high high low high high -2 d b high high low high high high -4 d b high low high high high high -8 db low high high high high high -16 d b low low low low low low -31.5 d b any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. truth table (for each attenuator) control voltage table state vdd = +3v , vcc = + 5v vdd = vcc = +5v low 0 to 0.5v @ <1 a 0 to 0.8v @ <1 a high 2 to 3v @ <1 a 2 to 5v @ <1 a
12 - 12 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 v ariable gain amplifiers - digital - smt 12 part number package body material lead finish msl rating package marking [3] h m c743 lp 6c low stress injection molded plastic sn/pb solder msl 1 [1] h743 xxxx h m c743 lp 6c e rohs-compliant low stress injection molded plastic 100% matte sn msl 1 [2] h743 xxxx [1] max peak refow temperature of 235 c [2] max peak refow temperature of 260 c [3] 4-digit lot number xxxx package information pin number function description interface schematic 1 rf 1 this pin is dc coupled. an off chip dc blocking capacitor is required. 38 rf 6 rf output and dc bias for the output stage of the amplifer. 2, 8, 15, 18 - 20, 28, 35, 39 n/c no connection 3, 23 serout, serin data in and out pins 4, 5 pup1, pup2 controls power up state 21, 22 leb, lea lea is the latch enable for the output attenuator. leb is the latch enable for the input attenuator. 24 clk clock input 25 b o controls bit order of control word. b0 - high = lsb frst b0 - low = msb frst 6 vdd supply voltage 7, 16, 27, 36 rf2, rf3, rf4, rf5 these pins are dc coupled and matched to 50 ohms. blocking capacitors are required. select value based on lowest frequency of operation. 9 - 14 a c g 1 - a c g 6 external capacitors to ground are required. place capacitor as close to pins as possible. see components for selected frequencies table. 17, 26, 37, 40 p addle gnd these pins and the exposed ground paddle must be connected to rf/dc ground. 29 - 34 a c g 7 - a c g 12 external capacitors to ground are required. place capacitor as close to pins as possible. see components for selected frequencies table. pin descriptions HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz
12 - 13 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 variable gain amplifiers - digital - smt 12 application circuit tuned frequency 70 - 1000 mhz 700 - 4000 mhz evaluation pcb 124459 [1] 124460 [1] c3 (pf) 1000 100 c1, c2, c4, c14 (pf) 3300 100 c8, c10 (pf) 100 330 c15 (pf) 2200 1000 l1 (nh) 560 36 [1] reference this number when ordering complete evaluation pcb. components for selected frequencies * HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz
12 - 14 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 v ariable gain amplifiers - digital - smt 12 evaluation pcb the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected 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. the evaluation circuit board shown is available from hit - tite upon request. list of materials for evaluation [1] item description j1, j2 pcb mount sma connector j3 18 pos header, 2mm j4, j5 dc pin c1 - c4 capacitor, 0402 pkg. [1] c5 - c7 330 pf capacitor, 0402 pkg. c8, c10 capacitor, 0402 pkg. [1] c9 100 pf capacitor, 0402 pkg. c15 capacitor, 0603 pkg. [1] l 1 inductor, 0603 pkg. r 1 1.8 ohm resistor, 1206 pkg. u1 hmc743lp6(e) variable gain amplifer p c b [2] 118866 evaluation pcb [1] please reference components for selected frequencies table [2] circuit board material: arlon 25fr or rogers 4350 HMC743LP6C / 743lp6ce v04.0311 0.5 db lsb gaas mmic dual 6-bit digital variable gain amplifier, dc - 4 ghz

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