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DCC90Sensibly equivalent¶ to:
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The DCC90 is an RF double triode for battery operation and at up to 40 MHz. The data sheet says the design purpose was as a push-pull RF amplifier or oscillator and the rating are for intermittent operation. With two Watts of RF output in the HF section of the spectrum, a short range portable radio is indicated. This suggests professional voice communications. The filament is centre tapped and the figures given are for both sections operated in parallel.![](../pics/aaa1001a.jpg)
The side view of the pair of box anodes.The thin glass tube envelope is 18 mm in diameter, and excluding the B7G base pins is 48 mm tall.References: Data-sheet & 1040. Type DCC90 was first introduced in 1950. See also 1950 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ![](../static/key.gif) f(-) | a(2) | g1(2) | hct | g1(1) | a(1) | f(+) |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | ![](../static/pdflogo.gif)
| 1.4 | 0.22 | 90 | -2.5 | 3.7 | 8,300 | 1.8 |
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Updated February 04, 2013.
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