Motorola ASTRO MT 1500, Service Manual

Page: 515 / 817

6816985H01-B August 16, 2007
Troubleshooting Waveforms: SPI B Data 7.5-41
7.5.40SPI B Data
Trace 1: MAKO chip enable, R767 (not active high)
Trace 2: SPI data clock, C619
Trace 3: SPI data to MAKO, C617.
Acquisition Sampling mode real time Configuration 4GSa/s
Memory depth automatic Memory depth 1004pts
Sampling rate automatic Sampling rate 50 MSa/s
Averaging off
9-bit BW Filter off Interpolation on
Channel 1 Scale 1.99 V/div Offset -4.21 V Coupling DC Impedance 1M Ohm
Atteunation 10.00 : 1 Atten units ratio Skew 0.0 s
Ext adapter None Ext coupler None
Ext gain 1.00E+00 Ext offset 0.0E+00
Channel 2 Scale 2.00 V/div Offset -260 mV Coupling DC Impedance 1M Ohm
Atteunation 10.00 : 1 Atten units ratio Skew 0.0 s
Ext adapter None Ext coupler None
Ext gain 1.00E+00 Ext offset 0.0E+00
Channel 3 Scale 2.00 V/div Offset -5.76 V Coupling DC Impedance 1M Ohm
Atteunation 10.00 : 1 Atten units ratio Skew 0.0 s
Ext adapter None Ext coupler None
Ext gain 1.00E+00 Ext offset 0.0E+00
Time base Scale 2.00 µs/div Position 3.454546 µs Reference center
Trigger Mode edge Sweep auto
Hysteresis normal Holdoff time 60 ns Coupling DC
Source channel 1 Trigger level 810 mV Slope rising