INCH-POUND
MIL-PRF-1/1618C
4 September 1998
SUPERSEDING
MIL-E-1/1618B
24 March 1980
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, MAGNETRON
TYPE 7256
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:
Pulsed, tunable frequency range: 9,000 to 9,160 MHz, integral magnet, 40-kW rated peak-power output.
ABSOLUTE RATINGS:
Tuner
Parameter:
Ef
tk
tpc
torque
Altitude
Du
ib
epy
Pi
VSWR
Unit:
V
sec
inch-ounce
feet
---
a
kV
W
---
s
Maximum
7.0
---
0.6
.0011
15.5
16
240
1.5
40
20,000
Minimum
---
120
---
---
12.5
---
---
---
---
---
PHYSICAL CHARACTERISTICS: See figure 1.
Mounting:
Mounting flange
Input coupling: See figure 1
Mounting position: Any
Weight:
5 pounds (approximately)
Output coupling: 3/
Cooling:
Air
TEST CONDITIONS:
Parameter:
Ef
tk
Du
tpc
trv
Ib
VSWR
Frequency
Test
Unit:
V
sec
---
mA dc
---
MHz
frequencies
s
s
Tolerance:
---
(max)
---
---
----
---
(min)
0.05
F1 = 9,000 MHz
---
---
120
6.3
Test condition 1:
---
---
---
---
F2 = 9,080 MHz
F1
1.1:1
14
0.08
0.5
.0010
---
0
Test condition 2:
F3 = 9,160 MHz
F1, F2, F3
1.1:1
14
0.08
0.5
.0010
---
0
Test condition 3:
F3
1.1:1
14
0.08
0.5
.0010
---
0
Test condition 4:
____________________________________________________________________________________________
GENERAL:
Qualification - Required.
AMSC N/A
1 of 9
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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