INCH-POUND
MIL-PRF-1/1605C
17 August 2004
SUPERSEDING
MIL-PRF-1/1605B
23 September 1974
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, TRAVELING W AVE
TYPE 8128
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, 60 kw peak power output, pulsed, liquid cooled,
external magnet field.
ABSOLUTE RATINGS: 1/
Parameter:
Ef
If (surge)
If
Epy
ib
Du
tp
tk
VSW R
Unit:
V
A
A
Kv
a
---
sec
---
µs
Maximum:
8.4
15
9
40
14
0.021
32
---
1.5:1
Minimum:
7.8
---
---
---
---
---
---
300
--- 3/
ABSOLUTE RATINGS: 1/
Coolant temperature
Coolant flow
W aveguide
Coolant pressure,
collector
rate, anode
Parameter:
pressurization
Inlet
Bushing
Unit
psia
psia
GPM
°C
°C
Maximum:
55
75
65
150
---
Minimum:
14 2/
----
---
---
1.5 17/
PHYSICAL CHARACTERISTICS:
Connectors:
Dimensions:
See figure 1.
Input:
Mounting position:
Any
Type N
Output:
Getter:
See figure 1.
See figure 1.
Solenoid:
Magnetic field:
See figure 3.
750 ± 50 Gauss 5/ 8/
W eight:
33 pounds (14.97 kg) max
TEST CONDITONS:
Parameter:
Ef
pd
epy
Du
tp
tk
VSW R
Frequency
Unit:
V
w
kv
---
sec
---
F
GHz
µs
Maximum:
8.0
600
37
0.021
32
---
1.1:1
1
2.9
Minimum:
---
500 7/
33 5/
---
29 6/
300
--- 3/
2
3.0
3
3.1
See footnotes at end of table I.
_________________________________________________________
GENERAL:
Qualification - Not required.
Shelf life: 9/
AMSC N/A
FSC 5960
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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