This small commercial radio for the MW band with germanium transistors was found in Japanese documentation from the 1960s. The circuit is powered by a 9 V battery and has a 455 kHz IF.
This simple circuit indicates when the two channels of stereo equipment are balanced. The diodes can...
We found this circuit with an operational transconductance amplifier in the Motorola Linear...
This circuit was obtained in an English magazine from 1978. We can easily assemble it because all...