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N:\mkt\MANUALS\HP8924C\APPMOD\BOOK\chapters\amrcvrt.fb
Chapter 3, CDMA Receiver Tests
Measuring Single Tone Desensitization
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Measuring Single Tone Desensitization
The Test Set performs the necessary call processing and FER measurements for
"Single Tone Desensitization," but requires a single external continuous wave
(CW) signal generator to perform this test as described in TIA IS-98, "CDMA
Receiver Minimum Standards."
During this test, an interfering signal (tone) is summed with the Test Set’s output
and the FER is measured.
Test Prerequisites
Determine Cable Path
Loss
When using cables to connect the equipment, the path loss for the cable(s) should
be determined. The Test Set can be used for measuring path loss.
"Correcting for RF Path Loss" on page 41
if necessary, and then return to
this procedure.
Recommended Equipment
CW Generator
Specifications for the CW signal generator are provided in TIA IS-98, "CDMA
Standard Test Conditions." At the time of this printing, the following signal
generators meet these specifications:
•
HP 8656B
•
HP 8647A
•
HP 8657D
Combiner
The Combiner used in this test must provide adequate isolation between the
Signal Generator output and the signals generated by the MSUT and the Test Set.
At least 15 dB isolation is recommended.