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Chapter 4, Test, Parameter, and Pass/Fail Limit Descriptions
Pass/Fail Limit 23, TX Audio Response Roll >2.5 kHz
Pass/Fail Limit 23, TX Audio Response Roll >2.5 kHz
This sets the pass/fail limits for testing a transmitter’s audio-frequency-response
roll off for measurements greater than 2.5 kHz.
Pass/Fail limits are determined from an applicable radio specification or industry
standard, such as:
• Radio standard: Audio Response
• Industry standard: EIA/TIA-603, Section 2.2.6, Audio Frequency Response
For Example:
If your radio specification defines audio response roll off for frequencies greater
than 2.5 kHz to be at a maximum of 6 dB/per octave and you want to test the
radio’s upper limits, enter
0 in the lower-limit column and 6 in the upper-limit
column. Limits are entered in dB.
It’s Used in the Following Tests:
TEST_05. TX Audio Frequency Response
TEST_21. TX Quick Test