Antique radios, Old Time Radios
1N28
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Country:
United States of America (USA)
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| Identical to |
1N28
= D-168030
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| Similar
Tubes |
Normally replaceable-slightly different:
1N21A
; 1N21B
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| Base |
No base
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| Was used by |
Radar |
| Description |
Silicon point-contact mixer diode, ceramic cartridge; NF 13.2dB at 3GHz.
Burnout-resistant variant of 1N21
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Dimensions (WHD)
incl. pins / tip |
8 x 22 x mm / 0.31 x 0.87 x inch |
| Weight |
2 g / 0.07 oz |
| Information source |
Tube Lore (I)
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1N28: KTT 1969/70
Günther Stabe † 19.8.20
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Collection of
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