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f-mod - 250 mhz to 4000 mhz quadrature modulator family preliminary technical data adl5370/1/2/3/4 rev. prg 4/26/2006 information furnished by analog devices is believed to be a ccurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to chan ge without notice. no license is granted by implication or otherwise under any patent or patent ri ghts of analog devices. trademarks and registered trademarks are the prop erty of their respective owners. one technology way, p.o. box 9106, norwood, ma 02062-9106, u.s.a. tel: 781.329.4700 www.analog.com fax: 781.326.8703 ? 2006 analog devices, inc. all rights reserved. features output frequency range: 250 mhz to 4000 mhz modulation bandwidth: 700 mhz (3 db) 1 db output compression: 12 dbm @ 2140 mhz noise floor: -158 dbm/hz sideband suppression: < -40 dbc lo leakage: < - 40 dbm single supply: 4.75 v to 5.5 v 24-lead lfcsp package applications cellular/pcs communication systems infrastructure wcdma/cdma2000/gsm/edge, wimax wi-max/broadband wireless access systems functional block diagram quadrature phase splitter vou t ibbp ibbn qbbp q bbn loip loin figure 1. product description the f-mod family of monolithic, rf quadrature modulators is designed for use from 250 mhz to 4000 mhz. excellent phase accuracy and amplitude balance enable high performance direct rf modulation for communication systems. the f-mod family can be used as direct-to-rf modulators in digital communication systems such as gsm, cdma, and wcdma base stations, and qpsk or qam broadband wireless access transmitters. a 700 mhz 3 db baseband bandwidth makes it ideal in broadband zero-if or low-if-to-rf applications and in broadband digital pre-distortion transmitters. the f-mod family is fabricated using analog devices advanced silicon-germanium bipolar process, and are available in a 24-lead exposed-paddle lfcsp package. performance is specified over a C40c to +85c temperature range. figure 2. adl5372 four carrier wcdma spectrum @ 2 ghz, -14.5 dbm per carrier four carrier psd in 30khz bw -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 1975 1978 1982 1985 1988 1992 1995 1998 2002 2005 2008 2012 2015 2018 2022 frequency [mhz] pout [dbm] -66dbc acpr -68dbc alt
adl5370/1/2/3/4 prelim inary technical data rev. prg | page 2 of 11 specifications table 1. v s = 5 v; ambient temperature (t a ) = 25c; lo = 0 dbm 1 ; i/q inputs = 1.4 v p-p differential sine waves in quadrature on a 500 mv dc bias; baseband frequency = 1 mhz, unless otherwise noted. parameter conditions min typ max unit operating frequency range frequency rang e covered by f-mod family mhz low frequency 250 high frequency 4000 mhz adl5370 lo = 450 mhz operating frequency range range over which uncomp ensated sideband suppression < -30 dbc low frequency 250 mhz high frequency 1300 mhz output power v iq =1.4v pp differential 5.6 dbm output p1 db 10.5 dbm carrier feedthrough -54.6 dbm sideband suppression -43.4 dbc second harmonic p out C (f lo + (2 f bb )), p out = 7 dbm -59.8 dbc third harmonic p out C (f lo + (3 f bb )), p out = 7 dbm -54.8 dbc output ip3 f1 bb = 3 mhz, f2 bb = 4 mhz, p out = -2 dbm per tone 23 dbm noise floor baseband inp uts biased to 500 mv; p lo = +0 dbm -156 dbm/hz gsm f lo = 380 mhz, 6 mhz carrier offset, p out = +6 dbm, p lo = +3 dbm -154 dbc/hz ADL5371 lo = 900 mhz operating frequency range range over which output p1db > 10 dbm low frequency 700 mhz high frequency 1300 mhz output power v iq =1.4vpp differential 6.8 dbm output p1 db 13.5 dbm carrier feedthrough -52.2 dbm sideband suppression -61.7 dbc second harmonic p out C (f lo + (2 f bb )), p out = 7 dbm -56.8 dbc third harmonic p out C (f lo + (3 f bb )), p out = 7 dbm -51.1 dbc output ip3 f1 bb = 3 mhz, f2 bb = 4 mhz, p out = -2 dbm per tone 26 dbm noise floor baseband inp uts biased to 500 mv; p lo = +6 dbm -156 dbm/hz gsm f lo = 885 mhz, 6 mhz carrier offset, p out = +7 dbm, p lo = +6 dbm -158 dbc/hz adl5372 lo = 1900 mhz, 2140 mhz operating frequency range range over which output p1db > 10 dbm low frequency 1600 mhz high frequency 2400 mhz output power v iq =1.4vpp differential 6.4 dbm output p1 db 12 dbm carrier feedthrough -44 dbm sideband suppression -41.5 dbc second harmonic p out C (f lo + (2 f bb )), p out = 7 dbm -48 dbc third harmonic p out C (f lo + (3 f bb )), p out = 7 dbm -49 dbc output ip3 f1 bb = 3 mhz, f2 bb = 4 mhz, p out = -2 dbm per tone 26 dbm noise floor baseband inp uts biased to 500 mv; p lo = +6 dbm -158 dbm/hz wcdma single carrier wcdma, 20 mhz carrier offset, pout=-10 dbm, p lo = 0 dbm -156 dbm/hz gsm f lo = 1900 mhz, 6 mhz carrier offset, p out = +9dbm, p lo = +6 dbm -158 dbc/hz wcdma acpr single carrier, test model 1-64, pout = -10 dbm, p lo = 0 dbm -75 dbc four carrier, test model 1-64, pout (total) = -10 dbm, p lo = 0 dbm -65 dbc
preliminary technical data adl5370/1/2/3/4 rev. prg | page 3 of 11 parameter conditions min typ max unit adl5373 lo = 2500 mhz operating frequency range low frequency (3db bandwidth) 2300 mhz high frequency 3000 mhz output power v iq =1.4vpp differential 6.5 dbm output p1 db 13 dbm carrier feedthrough -34.5 dbm sideband suppression -33.3 dbc second harmonic p out C (f lo + (2 f bb )), p out = 7 dbm -48.8 dbc third harmonic p out C (f lo + (3 f bb )), p out = 7 dbm -45.4 dbc output ip3 f1 bb = 3 mhz, f2 bb = 4 mhz, p out = -3 dbm per tone 25 dbm noise floor baseband inp uts biased to 500 mv, p lo = +6 dbm 156 dbm/hz adl5374 lo = 3500 mhz operating frequency range low frequency (3 db bandwidth) 2800 mhz high frequency 4000 mhz output power v iq =1.4vpp differential 4.8 dbm output p1 db 11 dbm carrier feedthrough -32.1 dbm sideband suppression -35.9 dbc second harmonic p out C (f lo + (2 f bb )), p out = 7 dbm -36.9 dbc third harmonic p out C (f lo + (3 f bb )), p out = 7 dbm -43.1 dbc output ip3 f1 bb = 3 mhz, f2 bb = 4 mhz, p out = -3 dbm per tone 21.5 dbm noise floor baseband inp uts biased to 500 mv, p lo = +6 dbm 155 dbm/hz lo inputs lo drive level 1 characterization performed at typical level -3 0 3 dbm nominal impedance 50 ? input return loss -10 db baseband inputs pins ibbp, ibbn, qbbp, qbbn i and q input bias level 400 500 600 mv bandwidth (3 db) 700 mhz power supplies pins vps1 and vps2 voltage 4.75 5.5 v supply current adl5370 210 ADL5371, adl5372, adl5373, adl5374 175 ma notes 1 lo drive in excess of +3 dbm can be provided to further reduce noise at 6 mhz and 20 mhz carrier offsets in gsm and wcdma app lications respectively.
adl5370/1/2/3/4 prelim inary technical data rev. prg | page 4 of 11 absolute maximum ratings table 2. f-mod absolute maximum ratings parameter rating supply voltage vpos 5.5 v ibbp, ibbn, qbbp, qbbn 0 v, 2.5 v loip and loin 10 dbm internal power dissipation 800 mw ja (exposed paddle soldered down) 30c/w maximum junction temperature 125c operating temperature range ?40c to +85c storage temperature range ?65c to +150c stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. esd caution esd (electrostatic discharge) sensitive device. electros tatic charges as high as 4000 v readily accumulate on the human body and test equipment and can discharge wi thout detection. although this product features proprietary esd protection circuitry, permanent dama ge may occur on devices subjected to high energy electrostatic discharges. therefore, proper esd precautions are recommended to avoid performance degradation or loss of functionality.
preliminary technical data adl5370/1/2/3/4 rev. prg | page 5 of 11 pin configuration and fu nctional descriptions com m 7 loip 8 loin 9 com m 1 0 com m 1 1 com m 1 2 6vps1 5 vps1 4 vps1 3 vps1 2comm 1comm ibbp 19 ibbn 20 com m 2 1 com m 2 2 qbbn 23 qbbp 24 fmod exposed paddle vout 13 vps2 14 vps2 15 vps3 16 vps4 17 vps5 18 figure 2. table 3. pin function descriptions pin no. mnemonic description 1,2,7,10,11,12,21,22 comm input common pins. connect to ground plan via a low impedance path 3,4,5,6,14,15,16,17,18 vps1,vps2, vps3,vps4,vps5 positive supply voltage pins. all pins should be connected to the same supply. to ensure adequate external bypassing, connect 0.1 f capacitors between each pin and ground. adjacent power supply pins of the same name can share one capacitor (see evaluation board schematic). 19,20,23,24 ibbp,ibbn, qbbn,qbbp differential in-phase and quadrature baseband inputs. these high impedance inputs must be dc-biased to approximately 500 mv dc, and must be driven from a low impedance source. nominal characterized ac signal swing is 700 mv p-p on each pin. this results in a differential drive of 1.4 v p-p with a 500 mv dc bias. these inputs are not self-biased and must be externally biased. 8,9 loip, loin 50 ? single-ended local oscillator input. internally dc-biased. pins must be ac-coupled. ac- couple loin to ground and drive lo through loip. 13 vout device output. single-ended, 50 ? internally bi ased rf output. pin must be ac-coupled to the load. exposed paddle connect to ground plan via a low impedance path
adl5370/1/2/3/4 prelim inary technical data rev. prg | page 6 of 11 figure 3. adl5372 four carrier wcdma spectrum (test model 1-64) @ 2 ghz, -14.5 dbm per carrier, acpr = -66 dbc, zero if figure 6. adl5372 output power vs. frequency and temperature. baseband drive is 1.4 vpp differential figure 4. adl5372 single carrier wcdma spectrum(test model 1-64) @ 2.1 ghz, pout = -9.4 dbm, acpr = -75 dbc, baseband drive from ad9779 dual dac, zero if figure 7. adl5372 wcdma single carrier 64-users acpr versus output power at 2140 mhz, plo=+3dbm, zero if -165.00 -160.00 -155.00 -150.00 -145.00 -10 -5 0 5 10 plo (dbm) noise (dbc/hz) 6 mhz offset figure 5. ADL5371 gsm noise at 900 mhz vs. lo drive, 6 mhz carrier offset. pout = +5 dbm figure 4. adl5372 single carrier wcdma noise at 1.96 ghz, 50- mhz carrier offset,test model 1-64, zero if four carrier psd in 30khz bw -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 1975 1978 1982 1985 1988 1992 1995 1998 2002 2005 2008 2012 2015 2018 2022 frequency [mhz] pout [dbm] -66dbc acpr -68dbc alt output power vs. lo frequency fmod2 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; bb_amp = 0.7 vpp; lo power = -7 dbm 0 1 2 3 4 5 6 7 8 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 output frequency (mhz) output power (dbm) 25'c -40'c 85'c
preliminary technical data adl5370/1/2/3/4 rev. prg | page 7 of 11 figure 9. adl5370 uncalibrated carrier feed through figure 12. adl5370 carrier feed through with nulling at 25c figure 10. adl5370 uncalibrated undesired side band figure 13. adl5370 undesired sideband with nulling at 25c figure 11. ADL5371 uncalibrated carrier feed through figure 14. ADL5371 carrier feed through with nulling at 25c carried feedthrough vs. lo frequency fmod1 with nulling applied at 25'c temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 500 600 700 800 900 1000 1100 1200 1300 1400 1500 output frequency (mhz) carrierfeedthrough (dbm) 25'c -40'c 85'c carried feedthrough vs. lo frequency fmod1 with nulling applied at 25'c temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 500 600 700 800 900 1000 1100 1200 1300 1400 1500 output frequency (mhz) carrierfeedthrough (dbm) 25'c -40'c 85'c carried feedthrough vs. lo frequency fmod0 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 200 400 600 800 1000 1200 1400 1600 output frequency (mhz) carrierfeedthrough (dbm) 25'c -40'c 85'c carried feedthrough vs. lo frequency fmod0 with carrier nulling applied at 25'c temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 200 400 600 800 1000 1200 1400 1600 output frequency (mhz) carrierfeedthrough (dbm) 25'c -40'c 85'c undesired side band vs. lo frequency fmod0 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 50 250 450 650 850 1050 1250 1450 output frequency (mhz) sideband suppression (dbc) 25'c -40'c 85'c undesired side band vs. lo frequency fmod0 with nulling applied at 25'c temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; bb_amp = 0.7vpp; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 50 250 450 650 850 1050 1250 1450 output frequency (mhz) sideband suppression (dbc) 25'c -40'c 85'c carried feedthrough vs. lo frequency fmod1 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 500 600 700 800 900 1000 1100 1200 1300 1400 1500 output frequency (mhz) carrierfeedthrough (dbm) 116_-7_0.7 116_-7_0.7 116_-7_0.7
adl5370/1/2/3/4 prelim inary technical data rev. prg | page 8 of 11 figure 15. ADL5371 uncalibrated undesired side band figure 18. ADL5371 undesired sideband with nulling at 25c figure 16. adl5372 uncalibrated carrier feed through figure 19. adl5372 carrier feed through with nulling at 25c figure 17. adl5372 uncalibrated undesired side band figure 20. adl5372 undesired sideband with nulling at 25c undesired side band vs. lo frequency fmod1 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 500 600 700 800 900 1000 1100 1200 1300 1400 1500 output frequency (mhz) sideband suppression (dbc) 116_-7_0.7 116_-7_0.7 116_-7_0.7 undesired side band vs. lo frequency fmod1 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -90 -80 -70 -60 -50 -40 -30 -20 -10 0 500 600 700 800 900 1000 1100 1200 1300 1400 1500 output frequency (mhz) sideband suppression (dbc) 139_-7_0.699999988079071 139_-7_0.699999988079071 139_-7_0.699999988079071 carried feedthrough vs. lo frequency fmod2 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; bb_amp = 0.7 vpp; lo power = -7 dbm -60 -50 -40 -30 -20 -10 0 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 output frequency (mhz) carrierfeedthrough (dbm) 25'c -40'c 85'c undesired side band vs. lo frequency fmod2 temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -80 -70 -60 -50 -40 -30 -20 -10 0 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 output frequency (mhz) sideband suppression (dbc) 25 -40 85 undesired side band vs. lo frequency fmod2 with nulling applied at 25'c temperature = {-40'c, 25'c, 85'c}; vpos = 5.0v; vcm = 0.5v; bb frequency = 1mhz; lo power = -7 dbm -80 -70 -60 -50 -40 -30 -20 -10 0 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 output frequency (mhz) sideband suppression (dbc) 25'c -40'c 85'c
preliminary technical data adl5370/1/2/3/4 rev. prg | page 9 of 11 basic connections refer to the evaluation board schematic for the basic connections for operating the f-mod family. a single power supply of between 4.75 v and 5.5 v is applied to pins vps1 and vps2 and vps3. all the vps pins must be connected to the same potential. adjacent pins of the same name can be tied together and decoupled with a 0.1 uf capacitor. these capacitors should be located as close as possible to the device. all the comm pins should be tied to the same ground plane through low impedance paths. the exposed paddle on the under side of the package should also be soldered to a low impedance ground plane. if multiple ground planes exist on the circuit board, these should be stitched together with multiple (typically 9) vias to enhance thermal and electrical performance. the baseband inputs qbbp, qbbn, ibbp and ibbn must be driven from a differential source. the nominal drive level of 1.4 vpp differential (700 mvpp on each pin) should be biased at 500 mv. a singleCended local oscillator signal should be applied to the loip pin through an ac-coupling capacitor. the recommended lo drive power is 0 dbm. the lo return pin, loin, should be ac-coupled to ground though a low impedance path. the rf output is available at the vout pin (pin 7). this pin must also be ac-coupled. both loip and vout have nominal broadband input and output impedances of 50 ? and do not need further external matching. c1 2 0.1uf cout 100pf vpo s gn d clon 100pf clop 100pf lo vout rfpq 0 ? rfn q 0 ? cfpq op en cfn q op en rtq op en qbbp qbbn rfn i 0 ? rfpi 0 ? cfn i op en cfpi open rti open ibbn ibbp comm 7 loip 8 loin 9 comm 10 comm 11 comm 12 6vps1 5vps1 4vps1 3vps1 2comm 1comm ibbp 19 ibbn 20 com m 2 1 com m 2 2 qbbn 23 qbbp 24 z1 fmod ex p o se d pa d d l e vout 13 vps2 14 vps2 15 vps3 16 vps4 17 vps5 18 r22 10k sw21 r2 1 49.9 off on en bl en bl c14 0.1uf l11 0 c13 0.1uf c1 1 open c16 0.1uf vpos c15 0.1uf l12 0 vpos figure 5. f-mod evaluation board schematic.
adl5370/1/2/3/4 prelim inary technical data rev. prg | page 10 of 11 evaluation board populated rohs-compliant evaluation boards are available for the f-mod family (see ordering guide for evaluation board part numbers). each device has an exposed paddle underneath the package, which must be soldered to the board. the evaluation board is designed without any components on the underside of the board so that heat may be applied to the underside for easy removal and replacement of the f-mod. note that the evaluation board pcb design includes an enable output sma connector (enop) and switch (sw21) which connect ground or supply to pin 3. since the f-mod family does not support the enable output function (pin 3 is a power supply pin), sw21 should be placed in the on position. this connects pin 3 to supply. figure 6. evaluation board layout, top layer. table 4. evaluation board configuration options component function default condition vpos, gnd power supply and ground clip leads not applicable sw21, enop sma connector enable output func tion (not supported in f-mod family) sw21 = on (connects pin 3 (vps1) to supply) rfpi,rfni,rfpq,rfnq, cfpi, cfni, cfpq,cfnq, rtq, rti, baseband input filters: these components can be used to implement a low-pass filter for the baseband signals. rfnq, rfpq, rfni rfpi = 0 ? (0402) cfnq,cfpq,cfni,cfpi = open (0402) rtq, rti = open (0402)
preliminary technical data adl5370/1/2/3/4 rev. prg | page 11 of 11 outline dimensions figure 7. 24-lead lfcsp with exposed paddle. dimensions shown in millimeters ordering guide model temperature range (c) package description package option adl5370acpz-r7 1 C40 to +85 7" tape and reel adl5370acpz-wp 1 C40 to +85 waffle pack adl5370-evalz 1 evaluation board ADL5371acpz-r7 1 C40 to +85 7" tape and reel ADL5371acpz-wp 1 C40 to +85 waffle pack ADL5371-evalz 1 evaluation board adl5372acpz-r7 1 C40 to +85 7" tape and reel adl5372acpz-wp 1 C40 to +85 waffle pack adl5372-evalz 1 evaluation board adl5373acpz-r7 1 C40 to +85 7" tape and reel adl5373acpz-wp 1 C40 to +85 waffle pack adl5373-evalz 1 evaluation board adl5374acpz-r7 1 C40 to +85 7" tape and reel adl5374acpz-wp 1 C40 to +85 waffle pack adl5374-evalz 1 evaluation board adl5375acpz-r7 1 C40 to +85 7" tape and reel adl5375acpz-wp 1 C40 to +85 waffle pack adl5375-evalz 1 evaluation board 1 z indicates pb-free

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