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CV1102

Sensibly equivalent to:
BL63 VR102
    
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The CV1102 is a double triode. The prototype was the M-OV BL63. The old service code VR102.
Apart from the pinch very little of the structure is visible.
One triode seen from below. The heater looks to be a single inverted V but there are several loops. The cathode tube is rectangular in cross section.
Seen from above the left cathode has a single heater visible while on the right two can be seen. In fact there are three loops in the right hand cathode.
The classic envelope is 45 mm in diameter and, excluding the IO base pins, is 113 mm tall.
Reference: Data-sheet.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
-
h
a(1)
k(1)
g1(2)
a(2)
h
k(2)
g1(1)

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
6.3
1.27
250
-16
7.0
2,860
4.2
12
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated May 14, 2021.
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