Ads
related to: thermionic diode rectifier- Meet the Fire TV Family
See our devices for streaming your
favorite content and live TV.
- Shop Groceries on Amazon
Try Whole Foods Market &
Amazon Fresh delivery with Prime.
- Meet the Fire TV Family
Search results
Results From The WOW.Com Content Network
The thermionic diode was later widely used as a rectifier — a device that converts alternating current (AC) into direct current (DC) — in the power supplies of a wide range of electronic devices, until beginning to be replaced by the selenium rectifier in the early 1930s and almost completely replaced by the semiconductor diode in the 1960s ...
Thermionic diode rectifiers were widely used in power supplies in vacuum tube consumer electronic products, such as phonographs, radios, and televisions, for example the All American Five radio receiver, to provide the high DC plate voltage needed by other vacuum tubes. "Full-wave" versions with two separate plates were popular because they ...
A thermionic diode is a thermionic-valve device consisting of a sealed, evacuated glass or metal envelope containing two electrodes: a cathode and a plate. The cathode is either indirectly heated or directly heated. If indirect heating is employed, a heater is included in the envelope.
Later thermionic vacuum tubes, mostly miniature style, some with top cap connections for higher voltages. A vacuum tube, electron tube, [1] [2] [3] thermionic valve (British usage), or tube (North America) [4] is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied.
This is a list of vacuum tubes or thermionic valves, ... 1B3GT – Octal High-voltage rectifier diode with 1.25 V filament common in monochrome TV receivers of the ...
Thermionic emission is the liberation of charged particles from a hot electrode whose thermal energy gives some particles enough kinetic energy to escape the material's surface. The particles, sometimes called thermions in early literature, are now known to be ions or electrons .
The Thermionic Valve and its Development in Radio Telegraphy and Telephony (1919). Fifty Years of Electricity The Wireless Press (1921) Electrons, Electric Waves and Wireless telephony The Wireless Press (1923) Introduction to Wireless Telegraphy and Telephony Sir Isaac Pitman and Sons Ltd. (1924) Mercury-arc Rectifiers and Mercury-vapour Lamps ...
It was the usual practice for power transformers to have a 5 volt insulated winding for rectifier filaments, and a 6.3 volt winding for all the other heaters; virtually all valves with 5V filament are rectifiers with cathode connected to heater, in practice full-wave (usable as half-wave by strapping both anodes together), e.g. GZ34.