Tektronix DPO2012B User Manual

Acquire the Sign
al
4. Push Threshol
ds.
Bus
Parallel
Define
Inputs
Thresholds B1 Label
Parallel
Bus
Display
Event
Table
You can set the
threshold for all channels in
the parallel or serial bus from a list of preset
values. The values are based on common
types of inte
grated circuits. The preset
values are:
1.4 V for TTL
2.5 V for 5.0
VCMOS
1.65 V for 3.3 V CMOS
1.25 V for 2.5 V CMOS
-1.3 V for E
CL
3.7 V for PECL
0V
Alternate
ly, you can set the threshold to a
specific value for the signals that makes
up the parallel or serial bus. To do so,
push the S
elect side-bezel button and turn
multipurpose knob a to select a Bit or a
Channel number (Signal name).
Then, turn multipurpose knob b to define the
voltage level above which the oscilloscope
treats the signal as high and below which
as low.
5. Push B1 Label to edit the label for the
bus. (See page 41, Labeling Channels and
Buse
s.)
Bus
Parallel
Define
Input
s
Thres
holds
B1 Lab
el
Parallel
Bus
Display
Event
Table
52 MSO2000B and DPO2000B Series Oscilloscopes User Manual

Tektronix DPO2012B Specifications

General

Brand	Tektronix
Model	DPO2012B
Category	Test Equipment
Language	English