This circuit simulates the effect of an inductance. Equivalent operational amplifiers can be used, and the power supply must be symmetrical. The circuit is from a 90's Poptronics.
This circuit is from the 80's, making use of components of the time. What the circuit does is...
Suggested by Motorola documentation from the 1980s, this circuit uses power transistors from the...
This is stage is transformer coupled and was found in na old publication of the year 1958. The...