More about FM (114)

1-09-1992 | This transceiver was designed in response to a need for a simple, easy to build, self-contained radio for use through the loeal 23-em (...

1-07-1992 | The last printed circuit board to be discussed is the LED-based S-meter (signal strength) unit, which is fitted on to the front panel of...

1-06-1992 | In this instalment we deal with the construction of the synthesizer board, and the operation of the combined keyboard/display/controls uni...

1-05-1992 | The greater part of this month's instalment is devoted to the operation of the microprocessorcontrolled synthesizer used to tune the RF...

1-04-1992 | This second part of the artide was originally intended to deal with the adjustment of the main tuner board only. However, following many...

1-04-1992 | The 2-metre band has been popular tor three decades and Ionger tor short, medium-range and mobile communication between radio amateurs,...

1-03-1992 | An FM tuner is described whose specifications challenge those of the best receivers available on the market. A ready-made tuner module...

1-12-1991 | This simple to build antenna booster offers a gain of some 20 dB over a frequency range that covers the VHF FM radio band and the whole of...

1-10-1991 | In these days of stereo FM, medium-wave AM reception is often viewed with contempt, and the quality of a sophisticated hi-fi stereo tuner...

1-04-1991 | The Type TEA5591A le from Philips contains virtually all the electronics for an AM/FM tuner: all that needs to be added are a few tuned ci...