Phase Modulator (T313E)
We found this circuit with Varactor in a 1964 documentation. The circuit uses a 6CW4 tube as a doubler and does not include the power supply. The varactor is nothing more than the varicap or tuning diode.
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Phase Modulator (T313E)
We found this circuit with Varactor in a 1964 documentation. The circuit uses a 6CW4 tube as a doubler and does not include the power supply. The varactor is nothing more than the varicap or tuning diode.