A3064 PDF даташит
Спецификация A3064 изготовлена «GEC» и имеет функцию, называемую «R.F. Pentode». |
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Детали детали
Номер произв | A3064 |
Описание | R.F. Pentode |
Производители | GEC |
логотип |
11 Pages
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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.
-
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. 75pF
THE M-O VALVE CO. LTD· BROOK GREEN WORKS· LONDON· W.6
-.-------------------------------------------------------------------------------
SEPTEMBER 1963
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A3064
CHARACTERISTIC SPREAD
Measured at :
Va
Vg2
Vg1
Rk
250
250
0
160
V
V
V
Q
*Ia
Ig2
*gm
-Ig
Ia (at -Vgl ~ 8V)
*f.1
*-Vg3 (at -Vgl ~ 3.5V,
Ia ~ 50f.1A)
Ih
Min.
8.7
1.8
6.8
60
70
275
Mean
9.85
2.6
7.62
75
95
300
Max.
11. 0
3.4
8.43
0.5
100
89
120
325
rnA
rnA
mA/V
f.1A
f.1A
V
rnA
*These tests are performed on a sample basis only, and the figures given are of
the average spread.
LIFE PERFORMANCE
The average life expectancy of the A3064 is at least 10,000 hours. In
order to obtain maximum life, the valve must be operated within the ratings
given on page 1. The environment must be a static one and the valve must not
be switched more than 12 times in 24 hours. The life expectancy may be re-
duced if conditions other than those specified are imposed on the valve, and will
be reduced appreciably if the absolute maximum ratings are exceeded. Both
reliability and performance will be jeopardised if heater voltage ratings are ex-
ceeded. Life and reliability are directly related to the degree to which regu-
lation of heater voltage is maintained at its centre rated value. Attention should
also be paid to the recommendations of the British Standard Code of Practice
CPI005 "The Use of Electronic Valves".
A valve is considered to have reached the end of life when it is either
inoperative, or one or more of its characteristics has reached the following
values:
Ia
gm
-Igl
Ihk (Vhk ±100)
5.25
4.9
3.0
20
rnA
mA/V
J1.A
f.1A
measured as "Characteristic Spread".
INSTALLATION
The valve may be mounted in any position.
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2
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A3064
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