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4304BB

Sensibly equivalent to:
CV2761
    
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The 4304BB valve by STC is a VHF transmitting triode. The filament is just visible at the bottom of the anode cavity and is a spiral around the vertical rod that holds the wire and makes the return connection. The grid and anode are seen connecting to the top of the envelope by substantial supports.
This is a lower power version of the 4304CB which has a carbon anode.
The balloon envelope is 60 mm in diameter and, excluding the B4 base pins, is 140 mm tall.
References: Datasheet.

 

Pin Connections
B4
1
2
3
4
tc
tc
-
f
f
-
g1
a

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
freq
f.max
7.5
3.2
1000
-170
100
100 MHz
300 MHz
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December31, 2012.
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