This circuit makes use of an unusual Analog Devices component today. The circuit is from a 90's documentation. The amplifier has 80 dB gain.
We found this circuit in an article in Electronics Now magazine from March 1996. The frequency is limited...
The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by...
This oscillator for practicing code with a transistor was found in Popular Electronics. The...