specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com, www.triquint.com page 1 of 3 march 2008 ecm168 phs +34 dbm 10v module product features ? 1.9 ghz power amp module ? 33.5 db gain ? + 34 dbm linear output power ? single +10v supply ? no negative voltage required ? low cost metal package ? mttf > 100 years applications ? pas base stations ? repeaters product description the ecm168 is a high performance phs amplifier module offering excellent linearity. the internally matched multi-stage amplifier has 33.5 db gain while achieving +34 dbm linear output power to meet phs?s stringent aclr requirements. the ecm168 uses a high reliability ingap/gaas hbt process technology and does not require any external matching components. the m odule has an added benefit by not require any negative biasing voltages; an internal active bias allows the ecm 168 to maintain high linearity over temperature and operate directly off a single +10v supply. a low-cost metal hous ing allows the device to have a low thermal resist ance and achieves over 100 years mttf. all devices are 100% rf and dc tested. the ecm168 is targeted for us e as a driver amplifier in wireless infrastructure wher e high linearity and high power is required. this combination makes the device an excellent candidate for next generation pas base stations. functional diagram top view pin no. function 1 rf output 2 vcc2 3 no connect 4 vcc1 5 no connect 6 rf input case ground specifications (1) parameter symbol units min typ max test conditions frequency f mhz 1880 ? 1920 power gain ga db 32.2 33.5 34.8 pout = +34 dbm, vd = 10v -67 -64 pout = +34 dbm, vd = 10v, see note 2 aclr (600khz) padj1 dbc -69 pout = +33.5dbm, vd = 10v aclr (900khz) padj2 dbc -74 -70 pout = +34 dbm, vd = 10v input vswr 1.5 pout = +34 dbm, vd = 10v 2 nd order harmonic distortion 2fo dbc -50 pout = +34 dbm, vd = 10v 3 rd order harmonic distortion 3fo dbc -50 pout = +34 dbm, vd = 10v supply voltage vcc1, vcc2 v +10 operating current icc ma 1000 1100 1300 pout = +34 dbm, vd = 10v 1. test conditions unless otherwise noted: 25 oc, supply voltage = +10 v, output power = +34 dbm, rf signal modulation is per phs rcr-28. 2. the actual test limits performed by wj correspond to an intern al maximum aclr specification of -65 dbc at +34 dbm output po wer. absolute maximum rating parameter rating storage temperature -55 to +150 c input rf power +10 dbm supply voltage +10 v operation of this device above any of th ese parameters may cause permanent damage ordering information part no. description ecm168 phs +34 dbm 10v module ECM168-PCB fully assembled evaluation board 1 2 3 4 5 6
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com, www.triquint.com page 2 of 3 march 2008 ecm168 phs +34 dbm 10v module recommended application circuit (ECM168-PCB) notes: 1. please note that for reliable operation, the evaluation board will have to be mounted to a much larger heat sink during operation and in laboratory environments to dissipate the power consumed by the device. the use of a c onvection fan is also recommended in laboratory environments. 2. the area around the module underneath the pcb should not contain any soldermask in order to maintain good rf grounding. outline drawing 23 to mounting surface. 4 5 6 applies to 6 leads and mounting surface dimenions in mm pin assignment (1) rf out, (2) vcc, (3) n/c (4) vcc, (5) n/c, (6) rf in case: gnd n o l o ad
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com, www.triquint.com page 3 of 3 march 2008 ecm168 phs +34 dbm 10v module performance graphs gain vs. channel power 1900 mhz, phs signal, 192 khz bw 30 31 32 33 34 35 25 27 29 31 33 35 output channel power (dbm) -35c 25c 55c aclr vs. channel power 1900 mhz, 600 khz offset, phs signal, 192 khz bw -74 -72 -70 -68 -66 -64 25 27 29 31 33 35 output channel power (dbm) 25c -35c 55c aclr vs. channel power 1900 mhz, 900 khz offset, phs signal, 192 khz bw -78 -76 -74 -72 -70 -68 25 27 29 31 33 35 output channel power (dbm) 25c -35c 55c power added efficiency vs. channel power 1900 mhz, phs signal, 192 khz bw 0 5 10 15 20 25 30 25 27 29 31 33 35 output channel power (dbm) -35c 25c 55c icc vs. channel power 1900 mhz, phs signal, 192 khz bw 900 950 1000 1050 1100 1150 25 27 29 31 33 35 output channel power (dbm) -35c 25c 55c
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