Antique radios, Old Time Radios
5981
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| Tube type: |
Reflex Klystron UHF |
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| Identical to |
5981
= RK5981
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| Similar
Tubes |
Other characteristic (electr. data):
5649
; 5650
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| Base |
Octal with RF-contact (long)
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| Filament |
Vf 6.3 Volts / If 0.455 Ampere / Indirect |
| Description |
1245 to 1400 MHz, integral cavity, coaxial out probe through the octal-like base. 250V, 134mW output typical at 1390 MHz. 5981/RK5981 replaces both 5649 and 5650.
Raytheon, SFR and Sperry known manufacturers for this device.
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Dimensions (WHD)
incl. pins / tip |
41 x 128 x mm / 1.61 x 5.04 x inch |
| Information source |
-- Original-techn. papers.
- - Manufacturers Literature
Tube Lore (I)
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Just Qvigstad
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