Radio Antica e Radio d'epoca
1P21
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
1P21
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
CV2696
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| Prime
informazioni |
15.Nov.1949 : -- Original-techn. papers.
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| Zoccolo |
11-Pin-not-yet-known-by-us
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| Utilizzata per |
Technology / Measurement |
| Filamento |
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| Descrizione |
Nine-stage, side-on type having S-4 response. Wavelength of maximum spectral response is 4000 +/- 500 angstroms. This type makes use of cesium-antimony dynodes and a cesium-antimony, opaque photocathode. Window material is Corning No. 0080 lime glass or equivalent. Tube has a non-hygroscopic base. Supply voltage DC/peak AC between anode and cathode 1250 volts.
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Dimensioni
(LxAxP)
incl.pins/tip |
30 x 85 x 30 mm / 1.18 x 3.35 x 1.18 inch |
| Peso |
50 g / 1.76 oz |
| Bibliografia |
- - Manufacturers Literature RCA Phototubes and Photocells PT-60
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1P21: elektron taschenbuch 1952
Heinz Höger
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1P21: RCA
Patrice Zeissloff
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