58 Chapter3
Making EDGE (with GSM) Measurements
Making the Transmit Power Measurement
• Advanced - accesses a menu to change the following parameters:
RBW Filter - this key toggles to select a Flat Top or a Gaussian (the
default filter) resolution bandwidth filter. A Gaussian filter
provides more even time domain response, particularly for bursts.
A Flat Top filter provides a flatter bandwidth but is less accurate
for pulse responses. A Flat Top filter also requires less memory
and allows longer data acquisition times.
Res BW - sets the resolution bandwidth.
Troubleshooting Hints
Low output power can lead to poor coverage and intermittent service
for phone users. Out of specification power measurements indicate a
fault usually in the power amplifier circuitry. They can also provide
early indication of a fault with the power supply, i.e. the battery in the
case of mobile stations.
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