| Most amateur radio transmitters are not actually designed for transmitting wideband audio signals with high fidelity. However, the wideband...
| Most amateur radio transmitters are not actually designed for transmitting wideband audio signals with high fidelity. However, the wideband...
| As this series shows, the popular AVR microcontroller can be used for digital signal processing tasks. In this instalment we will look at a...
| To keep the circuit simple as well as compact, it was decided to use a chip made by Maxim Integrated Products, the MAX2606. This IC from the...
| This circuit was specially designed to be used with the FM Audio Transmitter found elsewhere in the Summer Circuits 2009 issue, but it can a...
| In February 2009 we published a monaural mini FM receiver. A matching stereo decoder will naturally make this receiver complete. In this min...
| These days tiny FM radios are often integrated in many portable devices such as mobile phones and MP3 players. But why not make a simple rec...
| As a special treat for all radio amateurs we present a general-coverage AM/FM/SSB receiver with a wide range of features, which uses a DDS c...
| This small signal generator uses an ingenious technique to generate a sine wave with very low distortion, a mono (L+R) baseband signal and a...
| Together with a good directional antenna this high performance two-stage antenna amplifier for the VHF FM broadcast band will enable you to...
| This article, we hope, will have serious consequences. Not negative, mind you, because apart from enabling beginners to experience the thril...