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Vishay RF transistors suit 3GHz, 12GHz apps

Posted: 19 Jul 2002 ?? ?Print Version ?Bookmark and Share

Keywords:vishay intertechnology? tsdf2005w? tsdf2020w? bipolar rf transistor? 3ghz transistor?

The TSDF2005W and TSDF2020W bipolar RF transistors from Vishay Intertechnology feature a 25GHz transition frequency, and are designed to serve as RF front ends for analog and digital wireless communication systems up to 3GHz and HF oscillators up to 12GHz.

The 5mA TSDF2005W offers 1.2dB NF, 21dB gain, and a collector-base capacitance of 0.05pF. It also features a collector current of 12mA and dissipates 40mW. The 20mA TSDF2020W has 1.1dB NF, 20dB gain, and collector-base capacitance of 0.15pF. The device has a collector current of 40mA and dissipates 0.2W.

Shipped in 2.05-by-1.25-by-1mm SOT343 packages, both transistors feature a typical transducer gain of 17dB and feature low feedback capacitance. They also have a collector-base voltage of 10V, a collector-emitter voltage of 3.5V, and an emitter base voltage of 1.5V.

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