The integrated circuit used in this amplifier is not very common today. This amplifier was found in the 1977 National Semiconductor Audio Handbook. The power source must be at least 500 mA.
This circuit converts a high impedance signal into low impedance. The circuit has unit gain and...
Used in 1950s CW receivers, this type of circuit used germanium transistors. The circuit has...
Called super 8, this receiver for the medium wave range had its assembly described in an article in...