This intermediate frequency amplifier step using 2 junction FETs has a gain of 20 dB. The pass band is 4 MHz. FETs are for general use, with several types that serve in this circuit as BF245.
This circuit was found in a Popular Electronics from the 90s. The components admit equivalents and the...
The integrated circuit used in this amplifier is not common today. The circuit is from a...
The output of this circuit can be a crystal phone or a piezoelectric capsule. The circuit tests the...