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CV4033

 
    
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The CV4033 is a special quality double triode with flying leads rather than pins as in the CV4024. The CV4033 is the equivalent of the Mullard M8162 special quality version of the ECC81 VHF double triode. It is useful for RF stages, oscillators and frequency multipliers.
The twin triodes with screening at the top above the first mica disc.
Normally vibration resistance is obtained by the use of double micas. Here three sets of discs are used.
The thin glass tube envelope is 20 mm in diameter and excluding the B9A base pins, is 48 mm long.
References: Data-sheet & 1040. Type CV4033 was first introduced in 1956.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a
g1
k
hct

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
170
-1
8.5
11k
5.9
PDF scanned from an original document held by the museum
Updated September 17, 2020.
shape:thin.glass.tube construction:all.glass type:double.triode age:1940.1950 base:b9a heater:6.3v pins:9 pin:1.a pin:2.g1 pin:3.k pin:4.h pin:5.h pin:6.a pin:7.g1 pin:8.k pin:9.hct
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