This astable multivibrator has an active cycle of 30,000: 1. We found it in a 1970 EEE. The components used are from that time.
This amplifier was found in a Maxim documentation from the 90's. The circuit is an inverter type with...
This circuit works with practically any tunnel diode, transmitting signals in the FM range with a...
This circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook. The...