Reference
TDS 500B, TDS 600B & TDS 700A
Digitizing Oscilloscopes
070-9382-01
To Display a Waveform:
To Preview a Waveform:
Attach a probe to CH 1
1234
and hook the probe to your
signal.
Press
CH 1.
Press
AUTOSET.
Adjust VERTICAL and HORIZONTAL
POSITION and SCALE.
Press ZOOM.
1
Press Mode in the main menu. Then press Preview
in the side menu to turn on Dual Window Zoom.
2
Upper graticule zooms the boxed area
on the selected waveform.
Lower graticule displays the selected waveform
unzoomed with the zoomed area in box.
Device Under
Test
Use the Selected Graticule menu to select the upper
or lower waveform. Use the vertical and horizontal
knobs to adjust the waveform in the graticule you select.3
To Capture Infrequent Events (TDS 500B & 700A Models):
Press InstaVu to toggle between InstaVu and
Normal waveform capture rates.
When in InstaVu mode:
Waveforms displayed are updated thousands of
times faster than normal.
Very brief changes in waveforms are captured.
Certain features, such as Limit Testing, Math
Waveforms, Zoom, and record lengths longer than
500 points, are not available.
Copyright Tektronix, Inc., 1995. Printed in U.S.A.
To Save a Hardcopy to the File System:
Press Format in the main menu, and select a
12
Press SHIFT, and then press HARDCOPY.
Disk Drive
hardcopy format from the side menu.
To Set Up Using a Menu:
1
Press any of the front panel menu buttons.
Use SHIFT for
the Alternate
(Blue) Menus
Press HARDCOPY anytime to save a copy
Press Port in the main menu, press File in the
side menu, and then press CLEAR MENU.
3
of the current screen to a unique file in the
oscilloscope file system.
4
To Perform Other File System Operations:
Press SAVE/RECALL WAVEFORM, and use the menu buttons to save a waveform to a file or
recall it from a file.
Press SAVE/RECALL SETUP, and use the menu buttons to save a setup to a file or recall it
from a file.
2
Select an item from the main (bottom) menu.
3
Select an item from the side menu, if displayed.
The Readout Indicates The
Value That You Can Adjust with
the General Purpose Knob or
Keypad
Adjustable Menu Item Value
General Purpose
Knob
Keypad
Press File Utilities in the Save/Recall Waveform, Save/Recall Setup, or Hardcopy menus to access
utilities that create directories, copy files, and do other operations in the oscilloscope file system.
Adjust menu item values using the general purpose
4
knob or by entering numbers on the keypad.
End Your Entry by
Pressing ENTER ( )
To Select a Trigger:
To Take Measurements Automatically:
1
Press TRIGGER MENU.
This Symbol
Indicates a
Pop-Up Menu
Select a trigger type or
2
parameter from the main
menu.
Trigger Selections
TYPE
<Edge>
Select any one of
Ch 1 thru Ch 4,
Line, or DC Aux
Positive
Negative
Define levels High,
Low, or Don’t Care
for Ch 1 thru Ch 4
AND
OR
NAND
NOR
CLASS
<Pattern>
(On some models, Ax 1 & Ax 2
TYPE
<Logic>
CLASS
<State>
Define levels High,
Low, or Don’t Care
for Ch 1 thru Ch 3
Select edge for the
clock (always Ch 4)
AND
OR
NAND
NOR
Press Select Measrmnt or Snapshot in
12
Press MEASURE.
the main menu.
Automated Measurement Selections
Select
Measurement
Period
Rise Time
Delay
High
Pk–Pk
Mean
Area
Set TRIGGER MAIN LEVEL.
3
“T” Shows the
Trigger Position
Press to Display
the Pop-Up
Menus
Press Again to
Make a
Selection
A Pop-Up Selection
Changes the Other
Main Menu Items
Title of the
Side Menu
Arrow Shows
the Trigger
Level
Removes
the Menus
From the
Screen
Level
Level Slope Source
Set level or select
preset level based
on TTL or ECL logic
DC
Coupling
AC
HF
Reject
LF
Reject
Noise Rej (DC
Low Sensitivity)
Set a threshold
level for each of
Ch 1 thru Ch 4
Set Thresholds Define Logic Define InputsTrigger When
Goes TRUE
Goes FALSE
TRUE for
less than
TRUE for
more than
1
Qualification by time
Set a threshold
level for each of
the pattern
channels, Ch 1
thru Ch 3, and
the clock, Ch 4.
Select up to four
3
Goes TRUE
Trigger When Set Thresholds Define Logic Define Inputs
Goes FALSE
1
1
measurements.
Frequency
Positive
Width
Negative
Width
—more—
1 of 7
Fall Time
Positive
Duty Cycle
Negative
Duty Cycle
—more—
2 of 7
Phase
Burst Width
—more—
3 of 7
Low
Max
Min
—more—
4 of 7
Amplitude
Positive
Overshoot
Negative
Overshoot
—more—
5 of 7
Cycle Mean
RMS
Cycle RMS
—more—
6 of 7
Cycle Area
To
1 of 7
Press CLEAR MENU to move the measurement
4
readouts away from the graticule.
To Take Measurements With Cursors:
replace Ch 3 & Ch 4)
CLASS
<Setup/Hold>
CLASS
<Glitch>
CLASS
<Runt>
TYPE
<Pulse>
CLASS
<Width>
CLASS
<Slew Rate>
CLASS
<Time Out>
TYPE
<Video>
(Optional)
12
Press CURSOR. Press Function in the main menu.
Measures Voltage
Measures Time
Measures Voltage at Time
Move the cursor with the general purpose knob.
Press SELECT to switch between the cursors.
Press SHIFT to speed up/slow down the cursor
34
Select from the side menu.
movement.
Select one of
Ch 1 thru Ch 4 as
the data source
Do not select the
same channel used
as the clock source
Select one of
Ch 1 thru Ch 4 as
the clock source
Select the clock
Clock Source
edge
Do not select the
same channel used
as the data source
Clock
Levels Data SourceSetup/Hold Times
Data
Select any one of
Ch 1 thru Ch 4
Source
Positive
Negative
Polarity & Width
Either
Width
Level Level
Select any one of
Ch 1 thru Ch 4
SourceTrigger When
Positive
Polarity
Negative
Either
Runt
Upper
Thresholds
Runt
Lower
Select any one of
Ch 1 thru Ch 4
Positive
Polarity Source
Negative
Select any one of
Ch 1 thru Ch 4
SourceTrigger When
Positive
Polarity
Negative
Either
High
Thresholds
Low
Select any one of
Ch 1 thru Ch 4
Stays
High
Polarity
Stays
Low
Either
Level
Level SourceTime
Select any one of
Ch 1 thru Ch 4
Source
Negative Sync
Positive Sync
Sync Polarity
Set video field
and line number
To Display Help On Screen:
1
Press HELP.
Now turn any knob or press any button
and read a description of it on the display.
Press HELP again to exit help.
2
Set levels or select
preset levels based
on TTL or ECL logic
Select and set the
Setup Time
Select and set the
Hold Time
Set level or select
preset level based
on TTL or ECL logic
Accept
OFF
Glitch
ON
Reject
Glitch
Glitch (Filter) Level
Set levels or select
preset levels based
on TTL or ECL logic
Select trigger
when any runt
occurs or ...
Select triggering
when a runt wider than specified
2
occurs
2
Qualification by width
Set level or select
preset level based
on TTL or ECL logic
Within
Limits
Out of
Trigger When Level
Limits
Set Lower and
Upper Limits
Set levels or select
preset levels based
on TTL or ECL logic
Faster
Slower
Delta
Time
Select faster than
or slower than and
set delta time
The oscilloscope
computes the slew
rate readout from
the delta time and
thresholds settings
Set level or select
preset level based
on TTL or ECL logic
Select and set
the Timeout Time
NTSC
Standard Field/Line
PAL
HDTV
FlexFmt
To Choose an Acquisition Mode:
How the Acquisition Modes Work:
1
Press SHIFT, and then press ACQUIRE MENU.
Incoming
Signal
Single
Waveform
Acquisition
Samples Acquired
for Each Waveform
Data Point Interval
Acquisition Mode
Processes
Samples
Sample
Uses first sample in interval
Peak Detect
Uses highest and lowest
samples in interval
Displayed
Data Point
Waveform
Drawn on CRT
Use for fastest acquisition rate.
Sample is the default mode.
Use to reveal aliasing and for
glitch detection.
Peak Detect provides the
benefits of enveloping with
speed of single acquisition.
2
Press Mode in the main menu.
From the side menu, select an acquisition
mode that will serve your application.
3
Multiple
Waveform
Acquisitions
Not Available on TDS 600B
Hi Res
Calculates average of
samples in interval
Envelope
Uses highest and lowest
samples over many acquisitions
Average
Calculates average value over
many acquisitions
Use to reduce apparent noise.
Hi Res provides the benefits
of averaging with the speed of
single acquisition.
Use to reveal the noise band
around the signal.
Use to reduce apparent noise
in a repetitive signal.
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