TC3843A rev0_20071102 transcom, inc., 90 dasoong 7 th road, tainan science-based industrial park, hsin-s he shiang, tainan county, taiwan, r.o.c. web-site: www.transcominc.com.tw phone: 886-6-5050086 fax: 886-6-5051602 p1 / 3 1710~1785 mhz single-bias gaas low noise amplifier features photo enlargement 50 ohm matched for 1710~1785 mhz 24 dbm typical p1db 16 db typical linear power gain 36 dbm typical ip3 1.1 db typical noise figure nominal pae of 26% breakdown voltage: bv dgo 15v 6.0 volt single bias suitable for high reliability application description the TC3843A is a single-bias with 50 ohm matched ga as fet. it is designed for low cost, high volume, a pplied for 1710~1785 mhz low noise amplifiers. it provides noise figure of 1.1 db, gain of 16 db and p1db of 24 dbm, typically. the single positive drain bias is 6 v an d the typical drain-source current is 160 ma. the d evice is packaged in a copper based ceramic 10-pin smt packa ges. the copper based carrier of the package allows direct soldering of the device to the pcb. electrical specifications (t a =25 ) symbol conditions min typ max unit freq frequency range 1710 1785 mhz p 1db output power at 1db gain compression point, v ds = 6 v 22 24 dbm g l linear power gain, v ds = 6 v 14 16 db ip3 intercept point of the 3 rd -order intermodulation, v ds = 6 v, *p scl = 14 dbm 33 36 dbm nf noise figure, v ds = 6 v 1.1 1.5 db pae power added efficiency at 1db compression power 26 % i ds drain-source current at v ds = 6 v 160 220 ma bv dgo drain-gate breakdown voltage at i dgo = 0.6 ma 15 18 volts note: *p scl : output power of single carrier level. absolute maximum ratings (t a =25 c) recommanded operating condition symbol parameter rating v ds drain - source voltage 10 v p in rf input power, cw 26 dbm p t continuous dissipation 2.0 w t ch channel temperature 175 c t stg storage temperature - 65 c to +175 c symbol parameter rating v ds drain to source voltage 6 v handling precautions the user must operate in a clean, dry environment. electrostatic discharge (esd) precautions should be observed at all stages of storage, handling, assembly, and t esting. the static discharge must be less than 300v. TC3843A
TC3843A rev0_20071102 transcom, inc., 90 dasoong 7 th road, tainan science-based industrial park, hsin-s he shiang, tainan county, taiwan, r.o.c. web-site: www.transcominc.com.tw phone: 886-6-5050086 fax: 886-6-5051602 p2 / 3 connection diagram * note : grounding is via package case evaluation board pcb material: fr4 er 4.6 thickness 31 mil * application notes: for better heat sinking and grounding, it's recomme nded to have via holes beneath TC3843A filled with solde r and have two screws installed on required heat sink plate besides TC3843A on the pcb area. TC3843A outline diagram TC3843A evaluation circuit TC3843A
TC3843A rev0_20071102 transcom, inc., 90 dasoong 7 th road, tainan science-based industrial park, hsin-s he shiang, tainan county, taiwan, r.o.c. web-site: www.transcominc.com.tw phone: 886-6-5050086 fax: 886-6-5051602 p3 / 3 physical dimensions (unit: inches) tc3843 a
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