The screened pentode is the mixer. The valve has two cathodes so two independent valves are sited in the one envelope. The twin anode construction is clearly visible with the triode …

May 4, 2018 · The 'real' ECF82 is the FM mixer / oscillator (there's an EF80 RF amplifier before this) but the function of the ECF80 is less clear - possibly the FM AFC reactance stage (F) and …

The BRIMAR ECF80 is a triode pentode with separate cathodes designed for use as a frequency changer in television equipment up to 220 Mc~s. Heater Current ...

Tube ECF 80 or Röhre ECF80 ID2409, Triode-Pentode, Noval, 9 pin miniature (USA pico-9) B9A and Frequency converter shown. Radio tubes are valves.

Mullard ECF80 was designed for the professional VHF communications market. It consists of a triode section which was used as the oscillator and a screened pentode section as the mixer. …

Tablemodel, low profile (big size). Frequenzbereich: 20-20000 Hz ± 1 dB; 4 Eingänge, Ausgang: 6 Ohm (9,5 V). Model page created by Bernd P. Kieck. See "Data change" for further …

The screened pentode is the mixer. The valve has two cathodes so two independent valves are housed in the one envelope. The two valves can be used separately if required. The thin glass …

Mullard E80CF/7643/6BL8/ECF80 tube. This tube is absolutely new and in immaculate condition. The E80CF is the special quality version of the ECF80/6BL8. It is supposed to be low in …

Oct 26, 2015 · In a typical VHF application of the ECF80, the triode section is often used as a Wien-Bridge oscillator and has to produce a 5-volt peak-to-peak signal which could allow the …

The Pinnacle ECF80 valve was designed for the professional VHF communications market. It consists of a triode section which was used as the oscillator and a screened pentode section …