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Ceramic rf power tube checked.
There are several varieties of tetrodes the most common being the screen grid tube and the beam tetrode in screen grid tubes and beam tetrodes the first grid is.
Vintage eimac 4x150a transmitting power tube for ham radio amp nos.
Eimac electron tube 3cw30000 made in usa old stock.
The 8974 has a two section thoriated tungsten mesh filament mounted on water cooled supports.
Brand and cosmetic condition.
They combine the best of both worlds having the low seal leakage and low out gassing typical of ceramic external anode tubes and the rugged wider spaced high dissipation grids.
4cx2500a gu 84b svetlana power transmitting tetrode the gu 84b is a ceramic metal forced air cooled tetrode intended for use in power amplifiers with distributed amplification and for ssb signal amplification with output power up to 2 5 kw at frequencies up to 75 mhz as well as for power amplification at frequencies up to 250 mhz with output power up to.
Plate barrel feed through tubular and pot styles.
Various usa brands available.
The eimac 8974 is a ceramic metal water cooled power tetrode designed for very high power rf amplification.
The two sections may.
Rf parts test lab and meet factory specs.
Yes this tube was used to heat people with rf way back when scary in this video paul goes through the testing procedure for large power tubes out of c.
Eimac 3 400z rf transmitter tube with chimney socket transformer fan tested.
These tubes are used but completely checked out at.
Ceramic tubes with thoriated tungsten electron emitters have much longer life and higher reliability than any other type of power grid tube as a general rule.
This tube is used for medium wave and high frequency broadcast service at output power levels in the megawatt range.
A thermionic cathode first and second grids and a plate called anode in british english.
Richardson electronics offers an extensive line of ceramic rf power capacitors ideally suited for high voltage and high current applications.
Picture for reference only.
A tetrode is a vacuum tube called valve in british english having four active electrodes the four electrodes in order from the centre are.
