This commercial radio with 3 earphone listening transistors was manufactured in Japan in the 1960s. The medium-wave circuit uses germanium transistors and is powered by a 9 V battery.
CTS IoT Quartz Crystals Available through Mouser Electronics, CTS quartz crystals are especially suited...
We found this circuit in a technical documentation from Texas Instruments. It interfaces a...
We found this transistorized circuit in a 1985 documentation. The circuit can operate with...