|
heptode-triode for series
feed
Introduced in
1953
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
base |
| g2,g4 |
g1 |
k,g5,s |
f |
f |
a |
g3 |
a(t) |
g(t) |
B9A |
| heptode |
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
ra |
gm |
| |
19 |
0.1 |
200 |
120 |
-2.6 |
3.7 |
8.1 |
1,000,000 |
0.775 |
| triode |
Va |
Vg |
mAa |
| |
100 |
0 |
13.5 |
| Equivalent |
19AJ8, 19D8, X119, 10C14 |
|
