MIL-PRF-1/746H
TABLE I. Testing and inspection.
Limits
Inspection
Method
Notes
Test
Conditions
Symbol
Unit
Min
Max
Conformance inspection,
1/
part 1
Electrode current (cathode)
1256
---
---
Ec2 = Ec3 = 325 V dc;
Ik
15
24
mA dc
Ec1 = 0; Er = 0
µA dc
Total reflector current (1)
4229
4/
---
Er = -90 V dc
Ir
---
5
Heater current
1301
---
---
If
500
750
mA
Ehk = ± 45 V dc
µA dc
Heater-cathode leakage
1336
---
---
Ihk
0
75
Reflector voltage (1)
4213
5/
1
Er
-30
-70
V dc
Frequency (1)
---
5/
1
F
795
825
MHz
Power output (1)
4250
5/
1
Po
50
---
mW
Reflector voltage (2)
4213
6/
1
Er
-450
-550
V dc
Frequency (2)
---
6/
1
F
2,150
2,250
MHz
Power output (2)
4250
6/
1
Po
50
---
mW
Ćik
Cathode emission
4214
7/
1
---
15
%
Ik
µA dc
Total reflector
4229
5/
1
Ir
---
50
current (2)
Reflector voltage (3)
4213
8/
2
Er
-20
-60
V dc
Frequency (3)
---
8/
2
F
1,130
1,170
MHz
Power output (3)
4250
8/
2
Po
10
---
mW
µA dc
Total reflector
4229
8/
2
Ir
---
50
current (3)
Reflector voltage (4)
4213
9/
2
Er
-275
-355
V dc
Frequency (4)
---
9/
2
F
2,680
2,820
MHz
Power output (4)
4250
9/
2
Po
20
---
mW
Electrode current
1256
---
---
Ec2 = Ec3 = 325 V dc;
Ik
---
5
mA dc
(cathode cutoff)
Er = 0; Ec1 = -150 V dc
See footnotes at end of table.
2