INCH-POUND
MIL-PRF-1/1670D
28 September 2007
SUPERSEDING
MIL-PRF-1/1670C (USAF)
20 November 1998
PERFORMANCE SPECIFICATION SHEET
ELECTRON TUBE, POWER
TYPE 8590
This specification is approved for use by the Department of the Air Force and is
available 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:
Tetrode, metal-ceramic.
See figure 1.
Mounting position: Any.
Weight: 4 ounces nominal.
ABSOLUTE MAXIMUM RATINGS: F1 = 500 MHz.
Eb
eb
Ec1
Ec2
ec2
Ib
ib
Parameter:
Ef
V 1/
V dc
v
V dc
V dc
v
mA dc
a 2/
Unit:
6.0 ± 5%
Class C telegraphy:
---
-250
2,500
500
---
250
---
Grid pulsed,
6.0 ± 5%
5,500 10/
Class C RF amp:
---
-250
---
1,000
---
6.0
Anode pulsed,
6.0 ± 5%
---
Class C RF amp:
5,500
-250
---
1,000
---
6.0
7,000
Pulse mod or volt reg:
---
-400
750
---
---
6.0
6.0 ± 5%
Test conditions:
6.0
1,000
---
Adj
300
---
150
---
ABSOLUTE MAXIMUM RATINGS: F1 = 500 MHz.
Du
Pg1
Pg2
Parameter:
Pp
tp
T (anode
tk
Cooling
core and seal)
µs 2/
°C
--- 2/
--- 3/
W
W
Unit:
W
sec (min)
Class C telegraphy:
---
---
2.0
12
250
250
30
---
Grid pulsed,
Class C RF amp:
80
0.0016
2.0
12
250
250
30
---
Anode pulsed,
Class C RF amp:
80
0.0016
2.0
12
250
250
30
---
Pulse mod or volt reg:
80
0.0016
2.0
12
250
250
30
---
Test conditions:
---
---
---
---
---
---
120
4/
See footnotes at end of table I.
GENERAL:
Qualification - Required.
AMSC N/A
FSC 5960
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