This circuit was found in a 90s Radio Electronics. The integrated circuit admits an equivalent. The power supply will depend on the integrated circuit used.
This circuit was obtained from the Texas Instruments component datasheet which can supply currents of...
The circuit shown is a white noise generator using a zener diode as a source of noise. The...
We found this touch switch in a 1992 Electronics Handbook. The circuit can be assembled with 6 or...