Intercom Printed Circuit Board Design and PCB Layout. This intercom uses 22V to operate and speaker (20-45 Ohm) on each side.
Entries Tagged as 'Intercom'
Intercom Printed Circuit Board Design and PCB Layout
September 22nd, 2010 · 1 Comment
Tags: · Circuit Diagram, Intercom Circuit Diagram, Intercom PCB Layout, Intercom Printed Circuit Board
Intercom Circuit Diagram using LM390
August 4th, 2010 · 1 Comment
An intercom is a is a stand-alone electronic communications system intended for limited or private dialogue. Below schematic shows the application circuit of LM390 on intercom. Gain control can be done by capacitively coupling a resistor (or FET) from pin 6 to ground.
Tags: · Circuit Diagram, Doorphone Intercom, Intercom Circuit, LM390
Simple Full-duplex Intercom Circuit Design
May 4th, 2010 · 3 Comments
The following schematic shows the Simple Full-duplex Intercom Circuit Design. This circuit design needs parts and components such as potentiometer, some resistor, capacitors, transistor, audio power amplifier (TDA7052), switch and a 8 Ohm loadspeaker.
Tags: · Circuit Design, Circuit Diagram, Full-duplex Intercom, Intercom Circuit, Simple Circuit
