TīmeklisCurrently, the magazine Electric Radio presents tube-based radios and related projects (see Figure 2). FIGURE 2. Some books and magazines from the 1960s that … TīmeklisAmateur Radio homebrew projects and experiments category is a curation of 134 web resources on , DirectDirt, 75 meter AM Transceiver, Automatic Band Decoders. ... Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and …

Improvements & projects - Transport for London

Tīmeklis2024. gada 26. janv. · Working of Intercom Circuit: Follow the circuit diagram above and make the connections. To make the project more attractive you can use long wires to increase the distance between the set-1 and set-2 microphone and speaker. You can use any normal wire for a decent length, but if you need cover higher distance use a … TīmeklisVacuum tubes are an old, but fascinating technology that was used before transistors were invented. We can learn how simple circuits were back then if we bui... chinese bush clover wine

Radio Attic

http://www.diyaudioprojects.com/Tubes/tubes.htm Tīmeklis2024. gada 9. jūl. · ESP32 Internet Radio, MP3 Player , and Alarm Clock. This time I will show you how to make a stand-alone Internet Radio, which in terms of … TīmeklisThe radio uses a type 30 tube with 12V on the plate and 3V to heat the cathode. It tunes the regular AM broadcast band, and is intended to be used with headphones at sports events. KB7NRN's Low-Voltage One-Tube Regen. Another of John's projects uses a single 1Q5 farm radio tube and an 18V plate supply from a pair of ordinary … chinese bush clover honey