This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent transistors may be used. The gain is 20 dB.
This oscillator was found in the November 1986 issue of Radio Electronics magazine. The frequency...
We found this circuit in Motorola's Linear Databook in 1990. The integrated circuit used is no...
This circuit was found in American documentation from the 1960s. The operational amplifier is from that...