|
|
Octode frequency changer
Introduced in
1934 (FC2) 1937 (FC2A)
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
top |
base |
| g2 |
g1 |
g3,g5 |
f |
f |
m,g6 |
a |
g4 |
B7 |
|
|
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
ra |
gm |
| FC2 |
2 |
0.10 |
135 |
70 |
0 |
0.95 |
3.75 |
|
0.20 |
| FC2A |
2 |
0.13 |
mix135
osc135 |
45 |
-0.5..12 |
0.7 2.1 |
0.7 |
2,500,00 |
0.27 |
| |
| Equivalent (FC2A) |
CV2951, K80B |
|
|
