Antique radios, Old Time Radios
FP-54
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Country:
United States of America (USA)
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| Identical to |
FP-54
= GL-5740
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| Similar
Tubes |
Other characteristic (electr. data):
5674
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
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| Was used by |
Technology / Measurement |
| Filament |
Vf 2.5 Volts / If 0.09 Ampere / Direct / Battery = |
| Description |
Space-charge grid electrometer tube. Sensitivities as high as 10 exp(-19) amperes can be achieved (about sixty electrons per minute).
Typical operation
- 6 V anode voltage
- 60 uA anode current
- 4 V space grid voltage
- -4 V control grid voltage
- 10exp-15 A grid current
- 0.9 amplification factor
Registered to General Electric as 5740 in July 1948. First listed in the GE Vacuum Tube Designation listing (1930) as an Electrometer Pliotron.
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| Information source |
- - Manufacturers Literature GE Vacuum Tube Designations 12/10/1930
Tube Lore (II) p. 212
Tube Lore (I)
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FP-54: Manufacturer's Literature
Emilio Ciardiello
More ...
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Just Qvigstad
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FP-54: Manufacturer's Literature
Emilio Ciardiello
More ...
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