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參數(shù)資料
| 型號： | 7665A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Hydrogen-Filled Ceramic Thyratron |
| 中文描述： | 氫閘流管填充陶瓷 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 93K |
| 代理商： | 7665A |
7665A
Hydrogen-Filled Ceramic Thyratron
The data to be read in conjunction with the Hydrogen
Thyratron Preamble.
DESCRIPTION
The 7665A is a rugged hydrogen thyratron designed for use in
compact military and civil radars. It has a ceramic envelope with
a mounting flange and flying lead connections.
It features low jitter and low anode delay time and is suitable for
use at high pulse repetition rates; it can switch peak powers up
to 3 MW. The tube will operate over an ambient temperature
range of
7
55 to +130
8
C. A hydrogen reservoir is
incorporated.
This tube was designed to comply with, and is electrically
tested to, MIL-E-1/1485D.
Peak forward anode voltage .
Peak inverse anode voltage .
Peak anode current
.
.
.
Average anode current
.
.
Rate of rise of anode current
Anode heating factor .
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. 5 x 10
9
VApps max
.
.
. 350
. 500
2000
16
16
kV max
kV max
A max
mA max
A/
m
s max
GENERAL
Electrical
Cathode (connected internally
to one end of heater)
Heater voltage
Heater current
Reservoir voltage
Reservoir current
Tube heating time (minimum)
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oxide coated
6.3
+
7.5% V
4.5
6.3
+
7.5% V
2.0
3.0
.
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.
A
A
min
Mechanical
Seated height
Clearance required below
mounting flange .
Overall diameter
(mounting flange)
Net weight
Mounting position .
Base
.
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63.5 mm (2.500 inches) max
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. 25.4 mm (1.000 inch) min
.
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57.15 mm (2.250 inches) max
160 g (0.35 pound) approx
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flange mounting
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any
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Cooling
When operating at maximum anode dissipation, forced-air
cooling up to 0.14 m
3
/min (5 ft
3
/min) should be directed into
the anode cup.
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.
. natural or forced-air
PULSE MODULATOR SERVICE
MAXIMUM AND MINIMUM RATINGS
(Absolute values)
Min
Max
Anode
Peak forward anode voltage
(see note 1)
Peak inverse anode voltage (see note 2) . –
Peak anode current
Average anode current
Rate of rise of anode current
(see note 3)
.
.
Anode heating factor .
.
.
.
.
.
.
.
.
. –
16
16
350
500
kV
kV
A
mA
.
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. –
. –
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. –
. –
2000
5 x 10
9
A/
m
s
VApps
#
e2v technologies (uk) limited 2005
A1A-7665A Issue 5, November 2005
282G/2639
e2v technologies (uk) limited, Waterhouse Lane, Chelmsford, Essex CM1 2QU, UK
e-mail: enquiries@e2v.com
Internet: www.e2v.com
Telephone: +44 (0)1245 493493
Facsimile: +44 (0)1245 492492
Holding Company: e2v technologies plc
e2v technologies inc. 4 Westchester Plaza, PO Box 1482, Elmsford, NY10523-1482 USA Telephone: (914) 592-6050
e-mail: enquiries@e2vtechnologies-na.com
Facsimile: (914) 592-5148
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