analog devices welcomes hittite microwave corporation www.analog.com www.hittite.com preliminary
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attenuators - smt 1 1 gaas mmic voltage-variable attenuator, dc - 14 ghz general description features functional diagram wide bandwidth: dc - 14 ghz low phase shift vs. attenuation 30 db attenuation range simplifi ed voltage control 3 x 3 x 1 mm smt package electrical specifi cations, t a = +25 c, 50 ohm system typical applications the hmc346alp3 / HMC346ALP3E is ideal for: ? basestation infrastructure ? fiber optics & broadband telecom ? microwave radio & vsat ? military radios, radar, & ecm ? test instrumentation the hmc346 a lp3 & hmc346a lp3e a re pabsorp tive voltage variable attenuators (vva) in low cost l eadless surface mount plastic packages o perating from dc - 14 ghz. it features an o n -chip reference attenuator for use with an external op-amp to provide simple single voltage attenuation control, 0 to -3v. the device is ideal in designs where an analog dc c o n t rol s i g n a l m u s t c o n t rol rf signal levels over a 30 db amplitude r a n g e . this vva is an excellent alterna tive to the hmc121c8. parameter min typical max units insertion loss dc - 10 ghz dc - 14 ghz 1. 7 2.8 2.2 3.3 db db attenuation range dc - 10 ghz dc - 14 ghz 27 22 30 27 db db return loss dc - 14 ghz 5 10 db switching characteristics trise, tfall (10/90% rf): ton, toff (50% ctl to 10/90% rf): 2 8 ns ns input power for 0.25 db compression (0.5 - 8 ghz) min. atten: atten. >2 db: +8 -4 dbm dbm input third order intercept (0.5 - 8 ghz) (two-tone input power = -8 dbm each tone) min. atten: atten. >2 db: +25 +10 dbm dbm hmc346alp3 / 346alp3e v00.1115 information furnished by analog devices is believed to be accurate 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 change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 order online at www.analog.com application support: phone: 1-800-analog-d preliminary
attenuators - smt 2 2 outline drawing absolute maximum ratings rf input power +18 dbm control voltage range +1 to -5v storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1a electrostatic sensitive device observe handling precautions notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. lead spacing tolerance is non-cumulative 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 ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested land pattern. hmc346alp3 / 346alp3e v00.1115 gaas mmic voltage-variable attenuator, dc - 14 ghz for price, delivery, and to place o rd ers: analog devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 pho ne: 781-329-4700 o rd er on line at ww w.anal og .com application support: p ho ne: 1-800-analog-d preliminary
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