Instrument Description
Coaxial RF Power Standards Instruction and Service Manual
1-4
Table 1.2 F1125/M1125 Individual Specifications
Model
F1125
M1125
Frequency Range
100 kHz to 4.2 GHz
100 kHz to 4.2 GHz
Max VSWR
1.06 from 100 kHz to 4.2 GHz
1.40 from 100 to 500 kHz
1.20 from 0.5 to 1 MHz
1.10 from 1 to 1000 MHz
1.20 from 1 to 4.2 GHz
Insertion Loss
6 dB nominal, 8.5 dB max
1 dB max
Calibration Factor
Accuracy (typical)
+/-0.80% from 0.1 to 10 MHz
+/-0.90% from 10 to 4200 MHz
+/-1.0% from 0.1 to 10 MHz
+/-1.1% from 10 to 4200 MHz
Connectors
SENSOR
RF IN
TEMP
BIAS VOLTAGE
N-type Female
SMA Female
4-pin mini-microphone
Binding Post, standard 0.75”
spacing for banana plugs
N/A
N-Type Male
4-pin microphone
Binding Post, standard 0.75”
spacing for banana plugs
Weight
5.5 lbs (2.5 kg)
2.88 lbs (1.3 kg)
Physical Dimensions
Height
Width
Depth
3.5 in (88.9 mm)
8.5 in (215.9 mm)
15.4 in (391.2 mm)
3.3 in (83.8 mm)
3.0 in (76.2 mm)
7.45 in (189.2 mm)
Rack Mounting
Can be mounted in a standard
19” rack with optional hardware.
See “Mounting” in section 2.
None
