Antique radios, Old Time Radios
4220D
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Country:
Germany
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| Identical to |
4220D
= TDA4220
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| Base |
SPECIAL TUBEBASE in general
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| Description |
Aufbau/internal: IC (__ Trans., __ Widerst., __ Dioden);
Form/Case: DIP-18;
Typ/Content: FM-IF amplifier, Demodulator, S-Meter, Meter-Driver;
Daten/electr.data: -?-;
-
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Dimensions (WHD)
incl. pins / tip |
22 x 7 x 8 mm / 0.87 x 0.28 x 0.31 inch |
| Weight |
1 g / 0.04 oz |
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4220D: Philips
Günther Stabe † 19.8.20
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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