Motorola ASTRO Digital Saber - Figure 15. Waveform W2; Figure 16. Waveform W3

11
-
2
Figure 15 . Waveform W2
2893 Acquisitions
Tek stopped:
T
2
Ch3
Ch1
T
1
3
M 20.0us Ch1 2.2 V
W2: DSP SSI Port RX mode.
Receiving
1KHz tone @ 3KHz deviation, -60dBm.
Trace 1 - RFS
Trace 2 - RXD
Trace 3 - SCKR (2.4/0.600MHz)
Ch1 Freq
19.991kHz
Low signal
amplitude
5.00V
5.00V
1
5.00V
Ch2
MAEPF-24377-A
Note 1: Typically SCKR is a 2.4 MHz clock. In low power
modes, as shown here, SCKR is 600KHz.
Figure 16 . Waveform W3
T
T
2836 Acquisitions
Tek stopped:
T
3
Ch1 Ch2
Ch3
2
1
M 5.00us Ch1 2.2 V
W3: DSP SSI Port TX mode CSQ.
Trace 1 - SC2
Trace 2 - STD
Trace 3 - SCK (1.2MHz)
Ch1 Freq
47.856kHz
Low signal
amplitude
5.00V
5.00V
5.00V
MAEPF-24378-A