Carrier 38TXA Guide Uživatelská příručka stáhnout pdf (Strana 26)

26 Chapter 2

S:\agilent\83217\OPT001\BOOK\CHAPTERS\tdscrip.fm

Test Descriptions

TEST_07 - TXA Audio Distortion

Description

This test measures the level of the demodulated carrier’s audio

distortion.

NOTE

Audio connections from the radio to the test system are required for this

test.

The test system does not have expandor circuitry. If your testing

conditions require correction for this situation, you must change the

limits set in pass/fail limit 8. RXA NAMPS Expandor Zero Reference

Level (dBV), as required.

Transmitter audio distortion is expressed in percent.

Pass/Fail Limits Used

• 11. TXA Audio Distortion (%)

Parameters Used

• 1. CPA Control Channel [1-799 or 991 -1023]

• 2. CPA DSAT Vector

• 3. CPA Enter Ph# [0=If Needed,1=Always,Here]

• 4. CPA MIN From? [0=RECC,1=All 0’s,2=Phone #]

• 5. CPA Prt RECC RVC Data [0=no 1=yes 2=fail]

• 6. CPA SAT Tone (Hz)

• 14. RC Compandor is Always On [0=no 1=yes]

• 22. RX RF Level for Signaling (dBm)

• 49. TXA TS Atten for Signaling [0, 20, 40] (dB)

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Carrier 38TXA Guide Uživatelská příručka Strana 26