Good Will Instrument GDS-3000A Series, Руководство пользователя

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GDS-3000A series User Manual
174
9. If a clock signal was defined,
press
Clock Edge from the bottom
menu and select a clock transition.
At each clock transition a
comparison will be made.
Clock Edge
Rising, Falling, Either
10. If no clock were defined, press
When from the bottom menu and
choose the trigger timing
conditions.
Trigger When Description
Goes True
Triggers when the defined
logic goes true (rising edge).
Goes False
Triggers when the defined
logic goes false (falling edge).
Is True >
10.0ns ~ 9.99s. Triggers when
the defined logic is true for
greater than the defined
amount of time (falling edge).
Is True <
10.0ns ~ 9.99s. Triggers when
the defined logic is true for less
than the defined amount of
time (falling edge).
Is True =
10.0ns ~ 9.99s. Triggers when
the defined logic is true for the
defined amount of time ±5%
(falling edge).
Is True ≠
10.0ns ~ 9.99s. Triggers when
the defined logic is not true for
the defined amount of time
±5% (falling edge).
11. The oscilloscope will now trigger when the
specified logic appears among the digital
channels.