|
|
|
|
B5
base |
B7
base |
VM Pentode
Introduced in
1935 (HP4115c: 1939)
1 |
2 |
3 |
4 |
5 |
tc |
base |
f |
g2 |
f |
g1 |
k,g3 |
a |
B5 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
tc |
base |
m |
g1 |
g3 |
f |
f |
k |
g2 |
a |
B7 |
|
Vf |
Af |
Va |
Vs |
Vg |
mAa |
mAs |
Ra |
gm |
HP4115 |
4 |
1.1 |
200 |
100 |
-1.5 |
4.3 |
1.5 |
1,400,00 |
3.2 |
HP4115c |
4 |
1 |
250 |
100 |
-2 |
4.5 |
1.5 |
1,400,000 |
3.2 |
|