Using The Dtmf Decoder; Measurement Limits - HP 8920A User Manual
Rf communications test set
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Also See for 8920A:
- Application handbook (322 pages) ,
- Application handbook (319 pages) ,
- Programmer's manual (607 pages)
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Chapter 8, Signaling Decoder Screen
Using the DTMF Decoder
Using the DTMF Decoder
Measurement Limits
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S:\HP892XX\USRGUIDE\manual\decoscrn.fb
680 - 960 Hz
Lo Tone:
1190 - 1660 Hz
Hi Tone:
Actual limits are typically slightly wider than this. However, the crossover point
between Hi and Lo tone decoding is approximately 1.1 kHz. If incoming tones
approach this point, unreliable measurements may be displayed (frequency
measurement errors and spurious off times).
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