This circuit is from a 70s Burr Brown documentation. The components are from the time and the waveforms given next to the diagram.
This circuit allows you to read resistors up to 20 M ohms, converting it into voltage. The circuit is...
Found in a Hands-On Electronics from the 90s, this circuit produces the dial tones of an old...
This tuned circuit was found in a 1966 Electronic Circuit Handbook. The transistor can be any...