Ceramic Rf Power Tube Checked
These tubes are used but completely checked out at.
Ceramic rf power tube checked. Eimac electron tube 3cw30000 made in usa old stock. Richardson electronics offers an extensive line of ceramic rf power capacitors ideally suited for high voltage and high current applications. 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.
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. Various usa brands available. Eimac 3 400z rf transmitter tube with chimney socket transformer fan tested. Brand and cosmetic condition.
A thermionic cathode first and second grids and a plate called anode in british english. 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. 6146 p transmitting tube usa brand clean pullout original usa tube for old style equipment that requires this particular tube. Picture for reference only.
This tube is used for medium wave and high frequency broadcast service at output power levels in the megawatt range. Make offer eimac 3 400z rf transmitter tube with chimney socket transformer fan. The two sections may. 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. The 8974 has a two section thoriated tungsten mesh filament mounted on water cooled supports. Rf parts test lab and meet factory specs. Plate barrel feed through tubular and pot styles.
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.