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210PG

Sensibly equivalent to:
CV1043 FC2 K80A VHT2A VR43 X22
    
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The Cossor 210PG is a heptode or Pentagrid mixer and is also known as the 210SPG.The grid is wound with a variable pitch to give a variable-μ characteristic and so this would have been used in domestic broadcast superhet receivers.
The 210PG dates from 1934 and would have been fitted with a scew top cap, sadly missing as so many valves from this era seem to be.
The 210PG is a directly heated mixer designed for battery operation and with a filament current of 100mA could be used with dry batteries.
The reverso of the envelope is plain metalisation.
The classic envelope is 45 mm in diameter, and excluding the B7 base pins is 104 mm tall.
References: Datasheet, & 1043. Type 210PG was first introduced in 1934.

 

Pin Connections
B7
1
2
3
4
5
6
7
tc
g2
g1
g3,g5
f
f
m
a
g4

 

Absolute Maximum Operating Conditions
Heptode
Vh
Ah
Va
Vs
Vg
2.0
0.1
150
80
-9
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 18, 2016.
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