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6SA7GT

 
See also:
Philips 6SA7GT Box
    
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The 6SA7GT is an American design of mixer known as a pentagrid converter or generically as a heptode. It wa used as a self oscillating frequency changer for broadcast receivers.
The Philips brand name of Miniwatt.
The inside of the glass is coated to form a shielding screen and consequently the electrodes cannot be seen.
The wide glass tube envelope is 29 mm in diameter, and excluding the IO base pins is 65 mm tall.
References: Datasheet & 1043. Type 6SA7GT was first introduced in 1940.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
m
h
a
g2,g4
g1
k,g5
h
g3

 

Absolute Maximum Operating Conditions
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
100
-2
3.5
8.5
1M
0.45
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated March 12, 2015.
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