INCH-POUND
MIL-PRF-1/1712D
16 June 2003
SUPERSEDING
MIL-PRF-1/1712C
20 April 1998
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, TRAVELING W AVE
*
TYPE D0D-039
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: Forward-wave amplifier, 2.9 to 3.1 GHz operation, 4 kw peak power output, cathode pulsed, periodic-
permanent magnet focused.
ABSOLUTE RATINGS: 1/ 2/ 3/ 4/
Alt
Parameter:
Ef
If (surge)
ik
ek
Pd
Pp
Du
tp
tk
(operating)
Unit:
V
A
a
kv
W
W
---
sec
ft
µs
Maximum:
6.6
10
2.1
-9.5
2
750
0.03
40
---
10,000
Minimum:
6.0
---
1.5
-8.5
---
---
0.007 5/
--- 5/
180
---
ABSOLUTE RATINGS: 1/ 2/ 3/ 4/
Coolant
Coolant inlet temp
Coolant
Coolant
Parameter:
flow rate
W ater
EG and W
pressure
pressure drop
TA
F
Unit:
GPM
psig
psig
GHz
°C
°C
°C
Maximum:
0.5
62
14
200
15
-54
F3
Minimum:
0.45
---
---
---
10
+65
F1
PHYSICAL CHARACTERISTICS:
Dimensions:
See figure 1
Marking:
4/
DC connectors:
See figure 1
Construction:
Metal and ceramic
RF connectors:
See figure 1
W eight:
11 pounds, (5 kg) maximum
Cooling:
Liquid 6/
Mounting position:
Any
Focusing:
Periodic permanent magnet
Shelf life guarantee:
7/
_____________________________________________________________________________________
TEST CONDITIONS: 4/ 8/
Frequency
Parameter:
Ef
Pd
Du
tp
tk
F
F
GHz
σ'
Unit:
V
W
---
---
sec
GHz
1
2.9
µs
Tolerance:
---
max
min
---
min
---
2
3.0
±1
6.3
0.7
1.1:1
0.03
37
180
F2
3
3.1
GENERAL:
Qualification: Required.
______
* Replaces Varian type VAS - 805T7, ITT Gilfillan Part or Identifying Number (PIN)s 145005-1, 145005-2, and tube type 8742.
AMSC N/A
1 of 8
FSC 5960
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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