The CV1758 is a miniature amplifier pentode with very low filament consumption. The Mullard equivalent from its 1950s range is DF92. It would be used for portable radio equipment.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 43 mm tall.
Pin Connections
B7G |
1 |
2 |
3 |
4 |
5 |
6 |
7 |

|
f- |
a |
g2 |
- |
f- |
g1 |
f+ |
Absolute Maximum Operating Conditions
Pentode |
Vh |
Ah |
Va |
Vs |
Vg |
mAa |
mAs |
ra |
gm |

|
1.4 |
0.05 |
90 |
67.5 |
0 |
3.7 |
1.4 |
0.5M |
1.0 |
This exhibit was last updated on 20 January 2003 |
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