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.

Reversible shunt motor control (CB8012E)
Found in Motorola's 1968 documentation, this control appears elsewhere in this section. The bridge...
Emitter Coupled RC Oscillator (CB6350E)
This circuit was found in an 80's Radio Electronics. The circuit makes use of general purpose...
Beat Frequency Oscillator (CB25648E)
This circuit uses a 455 kHz IF coil and is suitable for SSB listening on a standard receiver. It...