Although it uses a dual-channel FET, which is hard to find today, this circuit was released in a Radio Electronics issue in April 1986. It serves as a signal booster for a wide range of frequencies.
This circuit uses an 80's operational amplifier. The circuit is from an old RCA manual and can be...
This circuit was obtained from the March 1994 Electronics Now magazine. The circuit uses a common...
This low-frequency sine wave oscillator was found in the December 1995 issue of Electronics Now...