Solar Frequency Standard (CB21951E)

This solar cell powered circuit generates a standard 100 kHz signal. The circuit is from a 1960 Gernsback documentation.

Arbitrary Reference Inverter Amplifier LM3900 (CB4504E)
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
Relative Humidity Meter (CB24728E)
This circuit was found in the December 1982 Radio Electronics magazine. The components are of...
General purpose buffer (CB9312E)
Found in documentation from Analog Devices from the 90s, this amplifier uses a component from the...