2.4 Oscilloscope Setup
To set up the oscilloscope, perform the following steps:
1. Turn ON the oscilloscope.
2. Set the scope to Trigger on CH1 and adjust the trigger level to approximately 2 V.
3. Set CH1 to 2 V per division and CH2 to 5 V per division.
4. Adjust the seconds/division setting to 500 ns/division.
5. Connect the scope channel 1 probe to VIA/PWM. Ground the probe to GNDI.
6. Connect Channel 2 probe to VOA (J2 pin2 or TP15). Ground the probe to VSSA.
7. Adjust the vertical position of each channel to properly view each channel as shown in the figure below.
A 500 kHz square wave should display on Channel 1 of the scope for the input and a 15 V version should display on Channel 2, as
shown in the following figure.
Figure 2.1. 500 kHz Square Wave
UG186: Si827x-EVB User's Guide
Si827x ISOdriver Board Setup and Demo Test
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