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RF Power Amplifier Systems

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Linear Microwave RF Amplifier vol.1

Linear Microwave RF Amplifier vol.1

Design and build a prototype single stage Microwave power amplifier operated at 2.4 GHz with a linear region of operation up to our desired output of 1 watt or 30 dBm.

http://www.engr.sjsu.edu/rkwok/projects/amp_b1.PDF

Broadcast-Band RF Amplifier

Broadcast-Band RF Amplifier

The circuit has frequency response ranging from 100Hz to 3MHz; gain is about 30dB.

http://www.uoguelph.ca/~antoon/circ/broadcast.html

BiDirectional 2.4 GHz One Watt Amplifier

BiDirectional 2.4 GHz One Watt Amplifier

Bi-directional means you can mount the amplifier at the antenna to help overcome any cable loss, and the amplifier will automatically switch between receive and transmit modes.

http://www.qsl.net/n9zia/wireless/appendixD.html

The Quest for the Ideal RF Amplifier

The Quest for the Ideal RF Amplifier

The basic function of a power amplifier is always the same: to boost a low-power signal to a higher power level, to be delivered to the amplifier load.

http://www.montagar.com/~patj/c1.htm

500mW HF Linear Amplifier

500mW HF Linear Amplifier

The BC547 (equiv 2N2222) can be used to build a 500mW linear amplifer covering the entire HF band with excelent spectral purity and no neutralising at all.

http://web.telia.com/~u85920178/tx/qrp-hf1.htm

6AR5 7MHz 1watt linear amplifier

6AR5 7MHz 1watt linear amplifier

This is a normal cathode-grounded-bias-less amplifier.

http://www.intio.or.jp/jf10zl/6AR5.htm

The 500W Radio Power Amplifier

The 500W Radio Power Amplifier

For 160, 80 and 40 meter bands. With 58N20s it will deliver 400W on 40 and 700 on 160/80 meter band. The amp needs 25/35W of drive for full output.

http://www.picks.force9.co.uk/throb.htm

40 MHz Wideband RF Amplifier

40 MHz Wideband RF Amplifier

No tuned elements. Does not use in resonant circuits

http://users.otenet.gr/~athsam/RF_amp_wide_band.htm


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