MIL-PRF-1/422J
25 Pin base
22 Pin collar base
Pin no.
Element
Beam
Pin no.
Element
Beam
1
Accelerator
1
Focusing electrode
A
2
Deflector D2
A
2
Heater
A
3
Deflector D1
A
3
Heater
A
4
Deflector D3
A
4
Focusing electrode
B
5
Deflector D4
A
5
Heater
B
6
Deflector D1
B
6
Heater
B
7
Deflector D3
B
7
Focusing electrode
C
8
Deflector D4
B
8
Heater
C
9
Deflector D2
B
9
Heater
C
10
Deflector D3
C
10
Focusing electrode
D
11
Deflector D1
C
11
Heater
D
12
Deflector D2
C
12
Heater
D
13
Accelerator
13
Focusing electrode
E
14
Deflector D4
C
14
Heater
E
15
Deflector D1
D
15
Heater
E
16
Deflector D2
D
16
Grid number 1
A
17
Deflector D4
D
17
Cathode
A
18
Deflector D3
D
18
Grid number 1
B
19
Deflector D4
E
19
Cathode
B
20
Deflector D3
E
20
Grid number 1
C
21
Deflector D2
E
21
Cathode
C
22
Deflector D1
E
22
Grid number 1
D
23
Cathode
D
24
Grid number 1
E
25
Cathode
E
FIGURE 1. Outline drawing of electron tube types 7YP1, 7YP2 and 7YP7 - Continued.
7
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