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 february 2008 HMJ4 high dynamic range fet mixer product features ? +36 dbm iip3 ? no external matching elements required ? rf 1700-1880 mhz ? lo 1550-1830 mhz ? if 50 - 150 mhz ? +17 dbm lo drive level ? +3v bias (18 ma) ? low cost smt j-lead package product description the HMJ4 is a high dynamic range gaas fet mixer. this active fet mixer realiz es a typical third order intercept point of +36 dbm at an lo drive level of +17 dbm. the HMJ4 comes in a low cost, 18-pin j-lead package. typical applicati ons include frequency up/down conversion, modulation and demodulation for receivers and transmitters used in communications systems. functional diagram function pin no. if 2 lo 11 rf 17 +3v 8 ground all other pins specifications (1) parameter units min typ max condition rf frequency range mhz 1700-1880 lo frequency range mhz 1550-1830 if frequency range mhz 50 ? 150 ssb conversion loss db 8.8 9.4 noise figure db 11 lo-rf isolation db 18 34 lo-if isolation db 23 33 rf-if isolation db 14 input ip3 dbm 31 36 rf return loss db 11 lo return loss db 9 if return loss db 15 input p1db dbm +23 lo drive level dbm +17 dc current at +3v bias ma 18 30 1. test conditions unless otherwise noted: 25 oc, rf = 1800 mhz @ -10 dbm, lo = 1700 mhz @ +17 dbm, if = 100 mhz absolute maximum rating ordering information parameters rating part no. description operating case temperature -40 to +85 c storage temperature -65 to +100 c HMJ4 high dynamic range fet mixer maximum input power +25 dbm HMJ4-pcb fully assembled application circuit 1. operation of this device above any of th ese parameters may cause permanent damage. 2. total sum of lo port and rf port power should not exceed 25 dbm
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 february 2008 HMJ4 high dynamic range fet mixer typical performance data
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 february 2008 HMJ4 high dynamic range fet mixer outline drawing land pattern / mounting configuration product marking the component will be marked with an ?HMJ4? designator with a four-digit alphanumeric lot number xxxx. tape and reel specifications for this part are located on the website in the ?application notes? section. esd information esd rating: class 2 value: passes at 2000 v test: human body model (hbm) standard: jedec standard jesd22-a114 esd rating: class iv value: passes at 2000 v test: charged device model (cdm) standard: jedec standard jesd22-c101 mounting config. notes 1. ground vias are critical for thermal and rf grounding considerations. 2. a minimum of 28 ground vias are required for 14 mil fr4 boards. 3. if your pcb design rules allow, ground vias should be placed under the land pattern for better rf performance. otherwise ground vias should be placed as close to the land pattern as possible. 4. trace width depends on the pcb material. 6.6 .260 11.94 .470 mm inch HMJ4 us pat. 5732345
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