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10LD3Sensibly equivalent¶ to:141DDT 14L7 B109 DH118 DH142 UBC41
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The 10LD3 is a double signal diode triode with a common cathode. This configuration was typical of valves designed for superhet receivers. The diodes would be used to demodulate an AM signal and also to develop an AGC voltage to control the gain of the IF amplifiers and possible the RF amplifier if fitted. The triode would function as a voltage amplifier for the demodulated audio signal.The thin glass envelope is 20 mm in diameter and, excluding the B8A base pins, is 53 mm tall.References: Data-sheet & 1040. Type 10LD3 was first introduced in 1953. See also 1953 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |  h | a | g1 | s | a(d2) | a(d1) | k | h |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | 
| 13.0 | 0.1 | 100 | -0.7 | 0.8 | 54k | 1.4 |
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Updated June 25, 2013.
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