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attenuators - analog - smt 1 HMC346ALC3B v 00.1115 gaas mmic voltage-variable attenuator, dc - 18 ghz general description features functional diagram wide bandwidth: dc - 18 ghz low phase shift vs. attenuation 30 db attenuation range simplifed voltage control rohs compliant 3 x 3 mm smt package electrical specifcations, t a = +25 c, 50 ohm system typical applicat i ons the HMC346ALC3B is ideal for: ? test instr umentation ? fiber optics & broadband telecom ? microwave radio & vsat ? military radios, radar, & ecm the hmc346 a lc3b is an absorptive voltage variable attenuator (vva) in a leadless pb free rohs compliant smt mount ceramic package operating from dc - 18 ghz. it features an on-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 control signal must control rf signal levels over a 30 db amplitude range. the hmc346 a lc3b allows the use of surface mount manufacturing techniques. parameter min typical max units insertion loss dc - 10 ghz dc - 14 ghz dc - 18 ghz 1.5 2.2 2.8 2.0 2.7 3.5 db db db attenuation range dc - 12 ghz dc - 18 ghz 26 22 30 26 db db return loss dc - 18 ghz 10 db input power for 0.25 db compression (0.5 - 18 ghz) min. atten: atten. >2 db: +8 -4 dbm dbm input third order intercept (0.5 - 18 ghz) (two-tone input power = -8 dbm each tone) min. atten: atten. >2 db: +25 +10 dbm dbm switching characteristics trise, tfall (10/90% rf): ton, toff (50% ctl to 10/90% rf): 2 8 ns ns 1 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 - analog - smt 2 HMC346ALC3B v00.1115 gaas mmic voltage-variable attenuator, dc - 18 ghz outline drawing absolute maximum ratings notes: 1. package body material: alumina 2. lead and ground paddle plating: gold flash over ni 3. dimensions are in inches [millimeters] 4. lead spacing tolerance is non-cumulative 5. package warp shall not exceed 0.05mm 6. all ground leads and ground paddle must be soldered to pcb rf ground electrostatic sensitive device observe handling precautions 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 2 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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