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CV3523

Sensibly equivalent to:
6146 QV06-20
    
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The CV3523 A very popular small transmitting beam tetrode valve normally used in pairs within HF transmitters of 100W output.
Much used in amateur radio equipment the commercial equivalent is the 6146.
The Heathkit designs of the 1960s being typical of HF transmitter design.
The KB/FE identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the FE identifies the maker as STC, Oldway (Additional to Paignton factory 'F').
The wide glass tube envelope is 38 mm in diameter and, excluding the IO base pins, is 82 mm tall.
References: Data-sheet & 1040. Type CV3523 was first introduced in 1952. See also 1952 adverts.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
k,bp
h
g2
k,bp
g1
k,bp
h
m
a

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
mAg
Pdriv
Pout
Pdiss
freq
f.max
6.3
1.25
600
150
-58
112
9
2.8
0.2W
52W
20W
60
175
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 02, 2024.
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