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Antentop is FREE e-magazine devoted to Antennas and Amateur Radio an

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Pencil Tubes

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ANTENTOP- 01- 2012, # 016

Pencil Tubes

 

 

 

 

 

V.Sukhanov, A. Kireev

Credit Line: Radio # 10, 1960, pp.: 49- 52

Below there are described some main schematics on the miniature “pencil” tubes. The schematics came to us from the far 50- 60-s of the 20- Century. The schematics with pencil tubes were used at the radio equipment that was installed practically anywhere - from tank and submarine up to space ship.

Radio Frequency Amplifier

Figure 1 shows a typical schematic for a radio frequency amplifier. As usual a tube was used with plate voltage 60- V, second grid voltage 35- 45-V, and 0- V at the first grid. The RF- Amplifier works fine up to VHF- frequencies. (I.G.: I have seen such RF amplifiers that worked up to 180- MHz.) Practically any pencil tubes may work like a radio frequency amplifier.

 

 

Radio # 10, 1960

Cover

 

Figure 1 Radio Frequency Amplifier

 

 

Module on the Pencil Tubes

 

 

 

Header of the Article

 

 

www.antentop.org

Page- 89

 

 

89 90 91 92

 

 


 

 

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Last Updated:

May 3, 2016 23:16

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