Circuit diagrams for radio amateurs
In "Radio", 2002, No. 2 in the article by A. Belsky "evaluation of the thickness of the paint coating" has...
The finder with loop antenna
23.03.2015
| Shortwave antenna
There are two main problems that cause interest radio Amateurs, Amateurs and Amateur CB communications to the radio search...
Electronic volume control on KA2250
30.03.2015
| Audio
Now I will tell you how to do a push-button dual volume control only on a single chip. There's this...
Music Generator Schematic Using UM66
01.04.2016
| Audio
UM66 is a pleasing music generator IC which works on a supply voltage of 3V. the required 3V supply is...
Multi-Melody Generator With Instrumental Effect
01.04.2016
| Audio
This melody generator can generate various English and Hindi tunes as also instrumental effects. Various modes of melodies can be...
