FM reciever Tube reciever

The most effective way to understand space-charge tubes is to examine actual circuits. Review the online circuits provided below, and check if any older print articles are available from friends or personal collections. After familiarizing yourself with the material,...

Stereo tube amplifier circuit built with 5 power tubes: 6SQ7-GT, 6V6-GT, and 5Y3-GT. This circuit generates up to 4 watts of audio output per channel. The stereo tube amplifier circuit utilizes a combination of five power tubes, specifically the 6SQ7-GT,...

This is a Nissan Panasonic rechargeable emergency fluorescent lamp circuit. It features built-in 6V, 4Ah high-energy batteries that can be directly charged. The circuit supports two 6W fluorescent lamps. It includes functional switches SAi and SAz. When SAi is...

The interest in tube circuits remains significant. Therefore, I will provide a comprehensive circuit of a preamplifier that is sufficiently detailed. It is primarily composed of the main preamplifier department, the input selector department, application voltage delay, and the connection...

A Tandberg 74B has been acquired second-hand. The internal components are original, with the exception of previously replaced tubes. The Tandberg 74B is a high-fidelity stereo amplifier known for its robust build quality and excellent sound reproduction. This model...

MOC3020M Integrated Circuit. An LED indicator is desired to signal when each capacitor is charged, but the implementation details are unclear. There is an abundance of 5V LEDs available, which could be utilized. Although Circuit Maker is available for...