More about transmitter (49)

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...

1-07-1993 | The receiver is intended primarily for use with the remote control UHF transmitter described in the proceding article. It is a super-rege...

1-07-1993 | This low-power UHF FM transmitter is intended for remote control applications such as garage doors and wireless alarm systems. lt is a si...

1-04-1993 | This article describes a 3-transistor test transmitter tor the popular 27-MHz (11-metre) band, which is used tor short-range communication...