100 Hz Second Order High Pass Filter (CB25815E)

This filter with the 741 op amp was found in the February 1995 Electronics Now magazine. The power supply must be dual.

Analog video fader (CB8737E
) Found in a 90s Linear Technology documentation, this circuit is a fading of video signals and...
Audio Selective Filter (CB24272E)
This sophisticated filter for audio signals was found in Radio Electronics magazine. The...
MOSFET Amplifier (CB26267E)
This 20W amplifier was found in 283 circuits from the 90s. The MOSFET admits equivalents. The...