| Most amateur radio transmitters are not actually designed for transmitting wideband audio signals with high fidelity. However, the wideband...
All items tagged with Power and FM (6)
| 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...
| The transmitters is a crystal-controlled, battery-powered, one-chip narrow-band FM (NB FM) model for operation in the 27-MHz band, primar...
| The greater part of this month's instalment is devoted to the operation of the microprocessorcontrolled synthesizer used to tune the RF...
| This second part of the artide was originally intended to deal with the adjustment of the main tuner board only. However, following many...
| This FM radio, designed by ElV GmbH, consists of an insertion card for IBM PC-XTs, ATs and compatibles and is available as a kit or a read...