Racal Instruments 2461 User Manual page 176

User Manual 2461 Type C
Range
12
1 to (10 - 1)
Pulse Width
5ns minimum at actual trigger points
Electrical Start/Stop
Channel 2:
INPUT1 Slope
Accuracy
± 1 count.
Manual Start Stop 1
By means of a SCPI command or a button on the soft front panel of the VXIplug&play
driver (RIL Part No. 60-0087).
Phase 1 Relative to 2
To make this relative phase measurement, the UCT first makes a series of
measurements in different modes:
(1) Ratio 1/2 to ensure that 1 and 2 are at the same frequency.
(2) Period 1 (P
(3) Time Interval 1 to 2 (TI
The phase difference Φ
TI
−
Φ = × °
1 2
360
−
1 2
P
1
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
START
POSITIVE
NEGATIVE
).
1
).
1-2
is then calculated as follows:
1-2
STOP
A-17