More about FM (89)

1-07-1997 | At the heart of this power supply is the type 723 voltage regulator. Despite its age, the 723 is still popular among radio amateurs becau...

1-07-1997 | There are a number of daughterboards that can be added to Sound Blaster (clone) cards to produce a much better sound than the internal FM...

1-03-1996 | The Radio Data is now well established among VHF- FM broadcasters aiming at providing additional information with their radio programmes. In...

1-02-1996 | Present-day integrated components allow a complete FM stereo receiver to be built from just a few ICs. The next step is to use SMT (surface...

1-11-1995 | Although the squelch (noise suppression) function on most narrow-FM transceivers (including CB rigs) will work fine without too much atten...

1-12-1994 | The display is intended as a turning indicatoror a VU meter on a stereo FM radio. The first function is selected by pressing S1 (which m...

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

1-05-1993 | The construction project described here consists of two units: an FM stereo multiplex generator and a three-stage VHF FM exciter. Toget...