More about transmitter (55)

1-05-1998 | Visitors to Germany may have seen the world’s largest digital clock which is housed in a 234 metres high transmitter tower on the banks...

1-12-1994 | The joy of every QRP enthusiast is to be able to cover very long distances 'on a shoestring', that is, with a low power < 10 W) transmit...

1-07-1994 | The 8OC535SBC (singleboard computer) can be adapted to functionasan RC-5 infra-red (IR) transmitter by the addition of some hardware and...

1-07-1994 | Quartz crystals are ground by the manufacturers to oscillate either on the fundamental frequency or on one of the odd harmonics (overton...

1-05-1994 | Mains signalling is a method by which signals can be superimposed on mains wiring for the remote control of electrical equipment. It was fi...

1-02-1994 | This article describes a simple 'sure-fire' FM ATV transmitter which uses surface mount technology throughout. It also outlines how a typi...

1-12-1993 | The indicator shows by means of two LEDS when the signal level in either charmel of a stereo audio system exceeds a preset value.

1-12-1993 | The transmitter is intended primarilyy for use with the receiver in the preceding article. lt works from two small 1.5 V dry batteries or...

1-12-1993 | The transmitters is a crystal-controlled, battery-powered, one-chip narrow-band FM (NB FM) model for operation in the 27-MHz band, primar...

1-07-1993 | It often happens that someone wants to watch television without the sound disturbing other people in the room. To avoid having a long cab...