Ceramic Rf Power Tube Checked

The 8974 has a two section thoriated tungsten mesh filament mounted on water cooled supports.

Ceramic rf power tube checked.

This tube is used for medium wave and high frequency broadcast service at output power levels in the megawatt range. 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. Richardson electronics offers an extensive line of ceramic rf power capacitors ideally suited for high voltage and high current applications. The two sections may.

Rf parts test lab and meet factory specs. 6146 p transmitting tube usa brand clean pullout original usa tube for old style equipment that requires this particular tube. 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 electron tube 3cw30000 made in usa old stock.

Please let it load to view all the pics. 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. These tubes are used but completely checked out at. Picture for reference only.

Brand and cosmetic condition. Plate barrel feed through tubular and pot styles. Various usa brands available. Make offer eimac 3 400z rf transmitter tube with chimney socket transformer fan.

The eimac 8974 is a ceramic metal water cooled power tetrode designed for very high power rf amplification. A thermionic cathode first and second grids and a plate called anode in british english. 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. Vintage eimac 4x150a transmitting power tube for ham radio amp nos.

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.