With distortion of less than 1 dB from 10 Hz to 20 kHz this circuit was found in the December 1972 issue of Radio Electronics magazine. The amplifier is a type that preceded the 741, the 709.
The characteristics of this amplifier that does not require a symmetrical source are given in the...
The MC1556 integrated circuit is an operational amplifier from Motorola. The circuit is from a...
This circuit is for collectors. It is the circuit of one of the most popular transistor radios of the...