User Manual 3153
Maintenance and Performance Checks 5-14
Channel
Synchronization and
Skew
1. Program all three channels as follows:
Operating mode: User (arbitrary).
(FUNC:MODE USER)
Trigger mode: Triggered
(INIT:CONT OFF)
Trigger advance source: Internal
(TRIG:SOUR:ADV INT)
Internal trigger generator: 10 KHz (10
µ
s)
(TRIG:TIM 10E-6)
SCLK channel 1: 50 MSa/s
(FREQ:RAST 50E6)
SCLK channel 2: 10 MSa/s
(INST:SEL 2;:FREQ:RAST 10E6)
SCLK channel 3: 5 MSa/s
(INST:SEL 3;:FREQ:RAST 5E6)
Channel 2 divider: 10
(INST:SEL 2;:FREQ:RAST:DIV 10)
Channel 3 divider: 5
(INST:SEL 3;:FREQ:RAST:DIV 5)
Waveform: Download 100-point squarewave
(Use WaveCAD)
Channels 2/3 slaves, channel 1 master
(INST:COUPLE ALL)
2. Verify the following:
Channels 1, 2 and 3 start with the same phase
Test Results:
Pass
Fail
Channel 1 to 2/3 skew is
≤
10ns
Test Results:
Pass
Fail
Channel 2 to 3 skew is
≤
5ns
Test Results:
Pass
Fail
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