September 5, 2008 6881076C25-E
6-10 Troubleshooting Waveforms: ASTRO Digital Spectra Plus VOCON Board Waveforms
SPI Bus Waveform
TX 1 kHz Tone Waveform
Radio Power Up
Trace 1 — U201 — 41 - Data
Trace 2 — U201 — 43 - Chip Select
Trace 3 — U201 — 42 - Clock
Transmitting
1 kHz tone at 85mVrms into microphone
Trace 1 — U402 — 17
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