DIY HV Variable capacitor

A simple SWR meter first needs a calibration to Uv = 100 % (forward power). When switching over...

Signals of identical frequency are applied to sync input (Pin 6) and to the demodulator input...

The circuit generates low-level rf bursts having frequencies as high as 10 MHz, thus permitting...

Using VFC110 chip, we can build a high frequency voltage-to-frequency converter. The features of...

Here`s a design circuit for very simple low cost and ultra compact VHF UHF Low-Noise amplifiers...

This is a simple project circuit for mixes two or more channels into one channel (eg. stereo into...

This 1000 watt power inverter circuit diagram based on MOSFET RF50N06. If you want more power...

It lights on the high-brightness LED even at 0. 8V if a battery can feed the circuit 93mA at 0....

This chapter provides detailed schematics of a variety of power supplies suitable for use with...

The prototype of Keypad Switch No. 2 was built using only the Stripboard Layout as a guide. So -...