INCH-POUND
MIL-PRF-1/1254E
2 July 2004
SUPERSEDING
MIL-PRF-1/1254D
2 July 1999
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, GAS SW ITCHING
TYPE 7381
This specification is approved for use by all Depart-
ments and Agencies of the Department of Defense.
The requirements for acquiring the electron tube described herein
shall consist of this document and the latest issue of MIL-PRF-1.
DESCRIPTION: Dual TR (bandpass) used with short-slot hybrid couplers.
ABSOLUTE RATINGS:
Operating temperature
Ignitor voltage
Frequency
Transmitter po
Parameter:
V dc
MHz
kw
Unit:
°C
Minimum:
10-3
8,490
-800
-55
Maximum:
200
9,610
---
+125
PHYSICAL CHARACTERISTICS: See figure 1.
TEST CONDITIONS:
Parameter:
Transmitter po
Ii
tp
prr
R1
Test
MegΩ
Unit:
kw
pps
frequencies
µA dc
µs
Tolerance:
5%
F
± 10%
± 3%
± 1.5%
± 5%
MHz ± 0.1%
4.9
40
100
1.0
1,000
8,490
F1
8,600
See footnotes at end of table I.
F2
8,800
F3
9,000
F4
9,200
F5
9,400
F6
9,610
F7
___________________________________________________________________________________________________________
GENERAL:
Qualification: Required.
AMSC N/A
FSC 5960
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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