|

Dual-grid tetrode
Introduced in 1931
| Vf |
Af |
Va |
Vg |
mAa |
ra |
gm |
| 2 |
0.06 |
20 |
-1.5 |
3.5 |
4500 |
1 |
|
|
 |
|
Full-wave rectifier |
| Introduced in 1932 |
| |
|
|
| |
| Vf |
Af |
Va |
mAa |
| 4 |
1 |
2 x
300 |
60 |
|
| |
| Equivalent |
6, 506, 4619,
B, D3, DW2X, G1054, G214, G490,
KL74301, P2,
PV495, R233,
RGN1054, U10, V,
V2, W6 |
|
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