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PCF84

 
    
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The PCF84 is triode pentode oscillator and mixer for the front ends of VHF television sets.
The pentode section. The gaps in the anode end wall show the suppressor grid support.
The triode on the right is separated from the pentode by an electrostatic screening plate.
The thin glass tube envelope is 21 mm in diameter, and excluding the B9A base pins is 49 mm tall.
Reference: 1040.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
k,g3,s
g
k,g3,s
h
h
g1(t)
a(t)
a
g2

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
9.0
0.3
170
170
-0
8.0
2.7
0.4M
2.5

 

Absolute Maximum Operating Conditions
Triode
Va
Vg
mAa
ra
100
-2.0
14.0
4,000
Updated January 24, 2017.
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