INCH-POUND
MIL-PRF-1/1112H
17 January 2012
SUPERSEDING
MIL-PRF-1/1112G
27 August 1999
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, KLYSTRON
TYPE 8493
This specification is approved for use by all Departments
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: Pulsed amplifier, control grid modulated, self-focused, tunable frequency range 900 to 1,215 MHz.
ABSOLUTE RATINGS:
Parameter:
Ef
Ec
Eb
egy
ib
Pi
pd
Pd
po
Po
Unit:
V
V
kV
v
a
W
w
W
kw
W
Maximum:
4.6
-50
20
450
10
2,300
500
80
25
600
Minimum:
3.8
-250
---
---
---
---
---
---
---
---
Parameter:
Pg
prr
Du
T
Unit:
W
pairs/sec
---
°C
Maximum:
5
3,700
0.025
150
Minimum:
---
---
---
---
(Figure 1, ref. T1 through T5)
PHYSICAL CHARACTERISTICS:
Dimensions:
See figure 1
Cooling:
Forced-air 2/
Mounting:
1/
Weight::
30 pounds (approximate)
Temperature reference:
Marking:
See figure 1
See figure 1
Output and input connectors
See figure 1
Initial start-up:
5/
TEST CONDITIONS:
Parameter:
Ef
Ec
Eb
egy
Pi
pd
po
Unit:
V
V
kV
v
W
w
kw
Tolerance:
---
---
---
±55
max
---
min
4.2
-125
12.5
365
1,840
30
11.5
Notes:
3/
4/
5/
6/ 7/
---
11/
8/ 9/
TEST CONDITIONS:
Frequency
Parameter:
Du
prr
F
Unit:
---
pair/sec
MHz
F
MHz
Tolerance:
0.025
±90
---
F1
960
F2
1,100
---
3,600
F1 and F3
F3
1,215
Notes:
---
---
10/
See footnotes at end of table I.
___________________________
GENERAL:
Qualification: Not Required.
This specification sheet uses accept on zero defect sampling in accordance with MIL-PRF-1, table III.
AMSC N/A
FSC 5960
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