Unit Gain Stage (CB6157E)

This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms output. Input impedance is 1 M ohm.

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Semi-isolated Colpitts Oscillator (CB25554E)
This circuit was found in the February 1993 issue of Radio Electronics magazine. Some components depend...
Current-controlled oscillator (CB21648E)
This sweep generator or current-controlled oscillator was found in Popular Electronics from...
LM379 Amplifier (CB24812E)
This audio amplifier was found in the July 1984 issue of Radio Electronics magazine. The supply...