Performance Tests
Instrument Accuracy Test
HP EPM-441A/442A Service Guide 2-7
Instrument Accuracy Test
Specification
Description
The power meter accuracy is verified for various power inputs. The range
calibrator is switched to provide these reference inputs.
Equipment
Range Calibrator ................................... HP 11683A
Power Sensor Cable .............................. HP 11730A
Test Setup
Figure 2-2: Instrument Accuracy Test Setup
Electrical Characteristics Performance Limits
Accuracy
±0.5% or ±0.02 dB
1
1. This performance limit does not include the corresponding sensor power
linearity specification.
HP 11730A
POWER
METER
CHANNEL A
Power Meter
Range
Calibrator
4402serv.book Page 7 Monday, March 11, 2002 11:34 AM
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