21
Chapter 6
Specifications
Specifications
Parameter
Specification
Impedance
50
ohms
nominal
VSWR
Input
Output
1.1
max.,
DC
‐
500
MHz
1.15
max.,
DC
‐
500
MHz
Connectors
Input
Output
Bird
“QC”,
Female
N
normally
supplied
Bird
“QC”,
Female
N
normally
supplied
Power
Rating
Model
8321
Model
8322
Model
8323
Model
8325
50
W
200
W
100
W
500
W
Frequency
Range
DC
‐
500
MHz
Attenuation
30
dB
±
1/2
dB,
DC
‐
500
MHz
Calibration
Frequencies
(to
±
0.2
dB)
30,
100,
200,
300,
400,
and
500
MHz
Weight
Model
8321
Model
8322
Model
8323
Model
8325
6
‐
1/2
lb
(3
kg)
19
lb
(9
kg)
11
lb
(5
kg)
25
lb
(11
kg)
Dimensions,
Nominal
Model
8321
Model
8322
Model
8323
Model
8325
10
‐
7/32"L
x
3
‐
15/16"W
x
6
‐
11/32"H
(260
x
100
x
161
mm)
17
‐
1/2"L
x
5
‐
15/16"W
x
8
‐
1/2"H
(445
x
151
x
216
mm)
10
‐
11/32"L
x
5
‐
15/16"W
x
8
‐
1/2"H
(263
x
151
x
216
mm)
17
‐
1/2"L
x
5
‐
15/16"W
x
8
‐
1/2"H
(445
x
151
x
216
mm)
Ambient
Operating
Temperature
40°C
to
+45°C
(
‐
40°F
to
+113°F)
Operating
Position
Horizontal
Only
Cooling
Method
Dielectric
and
air
convection
currents
