Measure
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Tablet1000 User manual Copyright © Qingdao Hantek Electronics Co., LTD
48
10.2.3 Delay and phase parameters
Data sources A and B, i.e., data sources A and B in the measurement settings menu, can
be any channel in CH1- CH4.
1. FRR[First Delay Rise-Rise]：↑A->↑B, indicates the time difference between the first
rising edge of data source A and B.
2. FFF[First Delay Fall-Fall]：↓A->↓B, indicates the time difference between the first
falling edge of data source A and B.
3. FRF[First Delay Rise Fall] : ↑A->↓B, the time difference between the first rising edge
of data source A and the first falling edge of data source B.
4. FFR[First Delay Fall Rise] : ↓A->↑B, the time difference between the first falling
edge of data source A and the first rising edge of data source B.
5. LRR[Last Delay Rise-Rise]：↑A->↑B, indicates the time between the first rising edge
of data source A and the last rising edge of data source B.
6. LRF[Last Delay Rise Fall] : ↑A->↓B, indicates the time between the first rising edge
of data source A and the last falling edge of data source B.
7. LFR[Last Delay Fall Rise] : ↓A->↑B, indicates the time between the first falling edge
of data source A and the last rising edge of data source B.
8. LFF[Last Delay fall-fall] : ↓A->↓B, indicates the time between the first falling edge of
data source A and the last falling edge of data source B.
9. Positive phase difference [R-PhaseAB]: the phase difference between the rising
edges of the channels.
10. Negative phase difference [F-PhaseAB] : the phase difference between the falling
edges of the channels.
[Phase Rise Time]: ↑A->B, the phase difference is calculated according to the
period of "delay 1->2" and data source 1, expressed in degrees. The phase
calculation formula is:
Phase indicates phase ↑A->B or phase ↓A->B.
Delay indicates delay FRR or delay FFF.
Period1 refers to the period of the digital data source 1.
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