All items tagged with Circuit and phone (7)

10-12-2013 | iCircuit is a user-friendly electronic circuit simulator and editor billed as ideal for students, hobbyists and engineers. Its advanced simu...

1-07-2010 | This is a very simple and cheap device that demonstrates mobile phones (US: 'cell phones') generate RF energy (radio waves) strong e...

1-12-1995 | This circuit imitates a small telephone exchange, allowing a PC to dial a Fax machine, and vice versa, without actuaIly making use of the...

1-09-1995 | On much audio equipment, the headphone output is simply derived from the loudspeaker output via a series resistor: not a very elegant desi...

1-01-1994 | The switching unit described here is capable of controlling up to seven mains-powered loads with the aid of commands received via telephon...

1-07-1992 | Those of you who like the telephone bell louder may find 'this circuit of Interest: It uses the telephone bell signal to actuate an 08·-...

1-01-1990 | This automatical telephone answering unit, designed by ELV GmbH, uses a 256-Kbit voice recording circuit to store and replay your spoken m...