This is an old electronic scheme of the Handy Talky (HT) circuit. This electronic circuit is quite popular among electronic hobbies in the 90s. If […]
Category: Radio
Active FM Booster
This is a simple low cost circuit of an active FM booster that can be used to amplify the FM band signal, so you can […]
2KM Long Range FM Radio Transmitter
This long-range FM radio transmitter has an additional RF power amplifier stage, after the oscillator stage. The extra RF power amplifier used to strenght up […]
2W RF Amplifier with MOSFET LF2810A
This is a 2W RF amplifier circuit build with single power MOSFET LF2810A. Figure A Figure A is the schematic of the microstrip single stage […]
Shortwave (SW) Transmitter with IC BEL1895
Here the SW transmitter circuit based on IC BEL1895. This particular transmitter circuit works in shortwave HF band (6 MHz to 15 MHz), and can […]
25 Metres Range, Short Wave AM Transmitter
Here the short wave AM Transmitter circuit design diagram. The circuit is quite simple and easy to build since it applies only a few electronic […]
Good Quality 500M FM Transmitter
This the Good Quality FM transmitter for your stereo or any other amplifier gives you a pretty good signal strength up to a range of […]
4 Stage FM Transmitter
This is the FM transmitter circuit which apply 4 radio frequency stages, that are a VHF oscillator designed around transistor BF494 (T1), a preamplifier designed […]
Easy Build FM Transmitter
This is a low cost and easy build low powered FM transmitter. The range of the FM transmitter claimed about 300 feets when running at […]
Two Chips AM Radio Receiver
This two chips AM radio receiver circuit is a tuned radio frequency (TRF) receiver of the standard AM (amplitude modulation) radio with broadcast frequencies at […]