Simple 29 MHz AM Transmitter
A detailed look at a compact 29 MHz AM transmitter for the 10-meter amateur band,…
Circuits
Transmitter
Circuits
QRP
Transmitter
Building a Simple 2N2222 DSB Transmitter for Amateur Radio
This compact crystal-controlled DSB transmitter combines a 2N2222 oscillator, diode balanced modulator, and tuned RF…
Circuits
CW
DIY
HF
QRP
Transmitter
Mighty Mite 5W Crystal Controlled QRP CW Transmitter
The Mighty Mite 40 Meter QRP CW Transmitter is a legendary low-power Morse code transmitter…
Circuits
CW
DIY
HF
Transmitter
Building Sovina 40M Class E CW Transmitter with BS170 MOSFETs
Build the Sovina 40 m Class-E CW transmitter using BS170 MOSFETs and 74HC02 logic for…
Circuits
QRP
Transmitter
VHF/UHF
Build a Powerful FM Radio Bug Transmitter
Three-stage FM bug transmitter using BC547 audio preamp, RF oscillator/modulator, and 2N3563 power amplifier for…
Circuits
DIY
Transmitter
DIY 1 MHz AM Transmitter: A Perfect Weekend Project for Beginners
Basics of radio frequency by building a simple 1 MHz AM Transmitter. This guide explains…
Circuits
DIY
QRP
Transmitter
27MHz AM Transmitter Circuit for hobbyists
The 27MHz frequency band has long been a favorite among electronics enthusiasts and amateur radio…
Circuits
DIY
HF
QRP
Transmitter
How to Build a 3-Watt AM Radio Transmitter
There is something magical about hearing your own voice or music coming through a vintage…
Circuits
CW
DIY
QRP
Transmitter
Build a Simple 40 Metre CW Transmitter Using 2N2222
Build a simple 40 m CW transmitter using a 2N2222 and 7 MHz crystal oscillator…
Circuits
DIY
Transmitter
VHF/UHF
Simple FM Transmitter Using BC547 Transistors
If you're a radio electronics enthusiast or hobbyist, building a Simple FM transmitter using readily…