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WJ introduces a family of +12 V power amplifiers, the AP501, AP502, AP503 and AP504. The AP series are targeted for use as a driver or final stage amplifier in wireless infrastructure where high linearity and high power are required. This combination makes the device a candidate for next generation multi-carrier 2.5/3G, PCS, UMTS and CDMA2000 basestations. The AP series are high dynamic range power amplifier modules optimized for driver or final stage amplifier mobile infrastructure. These devices are multi-stage, and are internally optimized for efficiency and linearity. Each PA module in the family features 50Ω operation including internal matching for input and output and operates off +12 V without requiring negative biasing voltages. The APs have the added feature of a +5 V power down control pin. A 29 × 13 × 4 mm metal housing with bolt-down flange allows these devices to have a low thermal resistance and achieves over 100 years MTTF. These devices were developed using the InGaP HBT process.
WJ Communications, Inc.

WJ Communications, Inc.
http://www.wj.com