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The EL90 is a small audio output beam tetrode valve capable of 4.5 Watts in a single ended configuration.
The thin glass tube envelope is 18 mm in diameter and excluding the B7G base pins, is 60 mm long.
Pin Connections
B7G
1
2
3
4
5
6
7
g1
k,bp
h
h
a
g2
g1
Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
gm
Pout
6.3
0.45
250
250
-12.5
45
4.1
4.5W
This exhibit was last updated on 04 July 2009
The thin glass tube envelope is 18 mm in diameter and excluding the B7G base pins, is 60 mm long.
Pin Connections
B7G
1
2
3
4
5
6
7
g1
k,bp
h
h
a
g2
g1
Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
gm
Pout
6.3
0.45
250
250
-12.5
45
4.1
4.5W
This exhibit was last updated on 04 July 2009
Pin Connections
B7G |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
g1 |
k,bp |
h |
h |
a |
g2 |
g1 |
Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
gm
Pout
6.3
0.45
250
250
-12.5
45
4.1
4.5W
This exhibit was last updated on 04 July 2009
Beam Tetrode |
Vh |
Ah |
Va |
Vs |
Vg |
mAa |
gm |
Pout |
6.3 |
0.45 |
250 |
250 |
-12.5 |
45 |
4.1 |
4.5W |
This exhibit was last updated on 04 July 2009
This exhibit was last updated on 04 July 2009 |