Buffer with MOSFET (CB26318E)

This boost amplifier was found in a Popular Electroniics from the 90s. The circuit operates up to 20 MHz depending on the coils used.

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Small Current Meter (CB14857E)
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10 Channel Remote Control Decoder (CB9984E)
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10 to 150 kHz Crystal Oscillator (CB6183E)
This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF...