Results tagged #Doorphone in Circuits
Doorphone Intercom schematic
In this doorphone circuit,an 8 ohm speaker is used both as a microphone and also an output device. The BC109C stage amplifies in common base...
Doorphone Intercom schematic
In this doorphone circuit,an 8 ohm speaker is used both as a microphone and also an output device. The BC109C stage amplifies in common base...