100 MHz harmonic oscillator (CB9659E)

This Pierce oscillator was found in American documentation from the 1980s. Transistors support modern equivalents.

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3 to 20 MHz XTAL Oscillator (CB13870E)
We found this oscillator in a publication for radio amateurs from the 70s. The circuit generates...
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We found this circuit in a 1982 publication, but all the components used are still common in our...
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We found this circuit in a 1976 technical documentation, but it can be assembled with modern...