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CV2190

Sensibly equivalent to:
CV2221 V233A/1K
    
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The CV2190 is a Heil tube microwave oscillator valve. The prototype for the CV specification was the V233A/1K.
Like the Klystron the Heil tube is a velocity modulated device. Unlike the klystron the Heil Tube employs magnets to assist the electron beam. The flange is 40 mm in diameter.
See V233A/1K for more details.
The thin glass tube disc seal envelope is 17 mm in diameter and, excluding the B7G base pins, is 56 mm tall.
Reference: Datasheet. Type CV2190 was first introduced in 1955.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
res
g2

 

Absolute Maximum Operating Conditions
Heil Tube
Vh
Ah
6.3
0.3
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 12, 2013.
shape:thin.glass.tube construction:disc.seal.(glass) type:heil.tube age:1950.1960 base:b7g heater:6.3v pins:7 pin:1.g1 pin:2.k pin:3.h pin:4.h pin:5.a pin:6.res pin:7.g2
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