Application Examples
Measuring Propagation Delay
You suspect that the memory timing in a microprocessor circuit is marginal. Set
up the oscilloscope to measure the propagation delay between the chip-select
signal and the data output of the memory device.
Type
Time
Source
Ch1
Δ
t 20.00ns
1/
Δ
t
50.00MHz
Δ
V 0.28V
Cursor 1
50.0ns
-0.20V
Cursor 2
70.0ns
0.08V
To set up to measure propagation delay, follow these steps:
1.
Push the
Autoset
button to trigger a stable display.
2.
Adjust the horizontal and vertical controls to optimize the display.
3.
Push the
Cursor
button to see the Cursor Menu.
4.
Push the
Type
side-menu button. A pop-out menu should appear showing a
scroll-able list of the available cursor types.
5.
Turn the
Multipurpose
knob to highlight
Time
.
6.
Push the
Multipurpose
knob to select
Time
.
7.
Push the
Source
side-menu button. A pop-out menu should appear showing a
scroll-able list of the available sources.
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