RF Amplifier 27dBm – Results

Some measurement results for the 27dBm RF amplifier that was descripted in an earlier post. Results are shown for two builds, without and with additional SAW filter.

27dBm RF Amplifier builds

27dBm RF Amplifier builds

27dBm RF amplifier normalized

Frequency range 300MHz – 3GHz. Input -20dBm, normalized to 0dBm, hence coax cables and output attenuator are calibrated out of the measurment loop.

27dBm RF amplifier gain

Gain over frequency range 300MHz – 3GHz.

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L/S Band Low Noise Amplifier

While ago I bought a low noise amplifier kit from Jim at www.w6pql.com. I´m going to try the LNA for FPV purpose on the receivers side between the antenna and the tuner module.

The LNA is set to work in the L- and S-band between 900MHz and 1300MHz. Althought it´s possible to configure the LNA for use in 13cm band (2.4Ghz) as well. See Jim´s page for details.

Some pictures and a gain plot:

Gain is ~15dB @ 1200MHz.