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VP13A

 
See also:
Mullard Universal Valves
    
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The VP13A is a variable μ amplifier pentode, and features the Ct8 side contact base.
In use the variable μ pentode was designed for AGC controlled stages of superhet receivers, the RF and IF sections. The control grid is taken to the top cap for maximum isolation between grid and anode circuits.
The classic envelope is 40 mm in diameter, and excluding the Ct8 base pins, is 104 mm tall.
References: Datasheet & 1043. Type VP13A was first introduced in 1934.

 

Pin Connections
Ct8
1
2
3
4
5
6
7
8
tc
m
h
h
k
g5
-
g2
a
g1

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
13.0
0.2
200
100
-2
4.0
1.4
1M
2.2
PDF scanned from an original document held by the museum
Updated December31, 2012.
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