This circuit was taken from the 1976 Siemens Integrated Circuits Manual. The TCA106 is an operational amplifier similar to the 741.
This CMOS generator with the 4018 IC was found in a November 1976 Radio Electronics magazine. It...
This TTL circuit found in the September 1996 issue of Electronics Now magazine doubles the...
We found this oscillator in a publication from the 1960s. The frequency is around 600 Hz with the...