Nokia 3600 Slide Service Manual page 69

RM-352; RM-354
BB Troubleshooting and Manual Tuning Guide
Measurement data
Figure 11 Single-ended output waveform of the Ext_in_HP_out measurement.
If a special low-pass filter designed for measuring digital amplifiers is unavailable, the measurement must be performed with a
current probe and the input signal frequency must be 2kHz.
Figure 12 Differential output waveform of the Ext microphone in out loop measurement Int handsfree out.
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