Wien Bridge Oscillator (CB8093E)

This circuit was found in a Popular Electronics from the 90s. Transistors admit equivalents, as well as the operational.

Who is the fastest Game with SCR (CB3857E)
This well-crafted speed game setup for two competitors was found in a 1998 Poptronics. The circuit...
RF line coupler (CB7435E)
Found in American documentation from the 90s, this circuit shows how to derive a signal in the...
High Impedance Current Monitor (CB5407E)
The input of this circuit remains in a high impedance state when the power of the LT6100 is cut...