INCH-POUND
MIL-PRF-1/1669A(CR)
9 September 1998__
SUPERSEDING
MIL-E-1/1669(EL)
5 April 1969
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, KLYSTRON
TYPE 8766
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: CW Amplifier, 1.0 kW, 4400 - 5000 MHz, 4 integral cavities, individual tuners, waveguide output, coaxial input,
permanent-magnet focusing, forced-air cooling.
Outline and dimensions: See figure 1.
Weight: 40 pounds, approximately.
ABSOLUTE RATINGS: 1/
Parameters:
Ef
Eb
Ik
Pi
Load
If (surge)
tk
Iby
Units:
V
kV dc
mA dc
kW
VSWR
a
min.
mA dc
Maximum:
6.8
8.5
600
5.0
2:1
25
----
60
Minimum:
6.0
----
----
----
----
----
3.0
----
Ambient operating
Parameters:
pressure
Ambient temperature
Operating temperature 2/
Units:
atmosphere
C
C
Oper.
Stg.
Collector
Body
Tuner-Fins
Maximum:
----
+55
+85
+260
+150
+150
Minimum:
0.64
-30
-65
----
----
----
TEST CONDITIONS:
Maximum operating
Parameters:
Ef
Eb
tk
Load
temperature
Units:
V
kV dc
min.
VSWR
Collector, body, tuner fins
6.5
7.5
3.0
1.05 max.
3/ 4/
Cathode leads: See figure 1.
Cooling: Forced air. 4/
RF input connector: Mates with type "N" fitting UG-21D/U or equivalent.
Focusing: Permanent magnet. 6/
RF output flange: Mates with UG-149A/U flange or equivalent.
Handling caution: 7/
Mounting position: Any. 5/
See footnotes at end of table I.
____________________________________________________________________________________________
GENERAL:
Preproduction sample approval: Required. 8/
Production Lot: 9/
Dimensions: See figure 1
Marking: 10/
11/
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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