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High Level Wideband RF Preamplifier

This High Level Wideband RF Preamplifier can be made in two ways: (1) with the aid of a linear active element, or (2) with a non-linear elem...

This is a very simple and mini fm radio receiver with good performances that works great even if the sensitivity is not too high. The workin...

Here's a simple VHF FM transmitter that could be used to play audio files from an MP3 player or computer on a standard VHF FM radio ....

Here the short wave AM Transmitter circuit design diagram. The circuit is quite simple and easy to build since it applies only a few electr...

Here the SW transmitter circuit based on IC BEL1895. This particular transmitter circuit works in shortwave HF band (6 MHz to 15 MHz), and c...

This stereo FM wireless microphone also makes a great quality audio link. We tested it to beyond 50 meters and it was rock solid. It’s certa...

Here is an add on circuit to your FM radio for precise tuning of stations. Usually an LED indicator is provided in FM radio to see whether t...

The power output of many transmitter circuits are very low because no power amplifier stages are incorporated. The transmitter circuit descr...