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ECC84

Sensibly equivalent to:
6CW7 6L16 CV5281
See also:
Valves and their Habits
    
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The ECC84 is a VHF double triode. Apart from the heater it is electrically equivalent to the PCC84. The ECC84 was designed as a cascode low noise RF amplifier.
One physical feature of this valve is the very small anode cavities. The image also shows the screen between the triodes.
one of the triodes in close-up. In addition to copper grid supports the spiral wound heater can be seen with and without its insulation.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall.
References: datasheet & 1040

 

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

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.335
90
-1.5
12
4000
6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated June 03, 2012.
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