Carrier 38TXA Guide Guía de usuario Pagina 120

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120 Chapter 3
S:\agilent\83217\OPT001\BOOK\CHAPTERS\passfail.fm
Pass/Fail Limit (Specification) Descriptions
12. TXA Audio Response Dev from 6 dB/oct (dB)
12. TXA Audio Response Dev from 6 dB/oct
(dB)
This sets the pass/fail limits used in TEST_06 - TXA Audio Frequency
Response for the degree of closeness with which the frequency deviation
of the transmitter follows the prescribed 6 dB/octave pre-emphasis
characteristic curve. Upper and lower limits must be entered in dB.
Pass/fail limits are determined by using any applicable standard such
as:
EIA/TIA Standard: Transmit-Audio Response
Example
If you desire that from 300 to 3000 Hz the audio frequency response
should not vary more than
±2 dB from a true 6 dB/octave pre-emphasis
curve, enter
2 as the Lower Limit and 2 as the Upper Limit.
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