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G.6.C!
R.F. PENTODE
A3064
-
VALVES
ISSUE 1
An r. f. pentode suitable for use in applications where long life and close control of characteristics are required.
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The A3064 will replace the CV138, CV4014 and Z77 in most applications. BASE CONNECTIONS AND VALVE DIMENSIONS
Ih ha
Base: Small-button miniature (B7G)
Bulb:
Tubular
k
g3,S
Max. overall length :
54.5mm
Max. seated length:
47.5mm
gl
gz Max. diameter:
19mm
Viewed from underside of base.
6.3 V 0.3 A
MAXIMUM RATINGS (Absolute)
Va(o) Va
550 300
Pa
I Vg2(o) Vg2 Pg2
2.5 450 300
0.8
Rgl-k
0.5
Vh-k (heater positive)
100
-Vh-k (heater negative)
250
Tbulb
200
V V W V V W MQ V V °C
CAPACITANCES (Measured on a cold screened valve) Cgl-alliess a: 6.5-8. 7pF ca-alliess gl: Ca-gl: O.OlpF (max)
2.75-3.