Tag Archives: MOPA

630M MOPA 809 + 811

630M MOPA (Master Oscillator – Power Amplifier) consists of an 809 “High-C” Hartley capacitively coupled to a push-pull power amplifier, either running 809s or 811s.

Power output is on the order of 100-165W with 1600V on the amplifier tube plates.  CW note is clean and stable (slight chirp reported over the air).

Recording: 630m-MOPA-single-2014-10-22-2.mp3

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