Main
The Oscilloscopes at a Glance
In This Book
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Contents
3 Triggering the Oscilloscope Selecting Trigger Modes and Conditions 3-3
Trigger Types 3-11
The Trigger Out connector 3-52
4 MegaZoom Concepts and Oscilloscope Operation MegaZoom Concepts 4-3
Run/Stop/Single/Infinite Persistence Operation 4-25
Configuring the Mixed-Signal Oscilloscope 4-32
Using Labels on the Mixed-Signal Oscilloscope 4-42
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Getting Started
MegaZoom Technology Operates with Untriggered Data
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Setting up the Oscilloscope
To inspect package contents
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1-7
Getting Started To inspect package contents
s
To inspect options and accessories
1-9
Getting Started To inspect options and accessories Table 1-2 Accessories available
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To clean the oscilloscope
To adjust the handle
To power-on the oscilloscope
To adjust the waveform intensity
To connect the oscilloscope analog probes
To compensate your analog probe
To use the digital probes (mixed-signal oscilloscope only)
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To connect a printer
To connect an RS-232 cable
To verify basic oscilloscope operation
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P r e s s t h e oscilloscope softkey menus.
Using Quick Help
Selecting a language for Quick Help when the oscilloscope starts up
Selecting a language for Quick Help after you have been operating the oscilloscope
Loading an updated language file from floppy disk
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Front-Panel Overview
Important Oscilloscope Considerations
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2-7
54620/40-series Oscilloscope Front Panels
54620/40-series Oscilloscope Front Panels
Figure 2-1
2-8
54620/40-series Oscilloscope Front Panels Figure 2-2
2-9
54620/40-series Oscilloscope Front Panels Figure 2-3
Front-Panel Operation
Interpreting the display
To use analog channels to view a signal
To use digital channels to view a signal
To display signals automatically using Autoscale
To configure the instrument quickly, press the Autoscale key.
To apply the default factory configuration
To set the instrument to the factory-default configuration, press the
To adjust analog channel vertical scaling and position
1 Center the signal on the display using the position knob.
To set the vertical expand reference for the analog signal
To set analog channel probe attenuation factor
To display and rearrange the digital channels
To operate the time base controls
P r e s s t h e
Turn the delay time knob ( ) and notice that its value is displayed in the status line.
To start and stop an acquisition
To make a single acquisition
To use delayed sweep
2Press
3Press the
To make cursor measurements
2Press the
To make automatic measurements
To modify the display grid
To print the display
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Triggering the Oscilloscope
Selecting Trigger Modes and Conditions
To select the Mode and Coupling menu
To select a trigger mode: Normal, Auto, Auto Level
1P r e s s t h e 2Press the
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To select trigger Coupling
To select Noise Reject and HF Reject
To set holdoff
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External Trigger Input
1P r e s s t h e
2P r e s s t h e
Trigger Types
To use Edge triggering
1P r e s s t h e the Edge trigger menu.
3 Select 1, 2, Ext, or Line as the trigger source.
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To use Pulse Width triggering
1P r e s s t h e display the Pulse Width trigger menu.
2Press the
oscilloscopes) to select a channel source for the trigger.
4 Press the qualifier softkey (< > ><) to select the time qualifier.
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To use Pattern triggering
1P r e s s t h e the Pattern trigger menu.
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To use CAN triggering
2P r e s s t h e
3P r e s s t h e
4P r e s s t h e
5P r e s s t h e signal line.
To use Duration triggering
4P r e s s t h e pattern.
5 Select a qualifier time set softkey ( set the duration qualifier time.
To use I2C triggering
4P r e s s t h e conditions:
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5 If you have set the oscilloscope to trigger on an EEPROM Data Read condition:
Condition
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To use Sequence triggering
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Define the Find: stage
1P r e s s t h e
Define the Trigger on: stage
Define the optional Reset on: stage
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To use SPI triggering
Set up the number of bits in the serial data string and set values for those data bits
Resetting all bits in the serial data string to one value.
Assign source channels to the clock, data, and frame signals
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To use TV triggering
5P r e s s t h e
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To trigger on a specific line of video
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To trigger on all TV line sync pulses
To trigger on a specific field of the video signal
To trigger on all fields of the video signal
To trigger on odd or even fields
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To use USB triggering
2Press the
probed.
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The Trigger Out connector
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MegaZoom Concepts
Deep Memory
Oscilloscope Responsiveness
Display Update Rate
To setup the Analog channels
1P r e s s t h e oscilloscopes) of the front panel to display the channel 1 menu.
2P r e s s t h e
3P r e s s t h e
4P r e s s t h e
5P r e s s t h e
6P r e s s t h e
7P r e s s t h e
To setup the Horizontal time base
1P r e s s t h e
2P r e s s t h e
4P r e s s t h e
5 Note the setting of the Time Ref (time reference) softkey.
6 Turn the delay knob ( ) and notice that its value is displayed in the status line.
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Acquisition Modes
P r e s s t h e
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Display modes
P r e s s t h e
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Pan and Zoom
To pan and zoom a waveform
Run/Stop/Single/Infinite Persistence Operation
Acquiring Data
Memory Depth/Record Length
To run and stop an acquisition
To begin an acquisition, press Run/Stop (key is illuminated green when running).
To stop an acquisition in process, press Run/Stop (key is illuminated red when stopped).
To take a single trace
P r e s s t h e
To capture a single event
1 Connect a signal to the oscilloscope. 2 Set up the trigger.
3P r e s s t h e
To use infinite persistence
To use infinite persistence to store multiple repetitive events
To clear the waveform display
P r e s s t h e
Configuring the Mixed-Signal Oscilloscope
To display digital channels using Autoscale
Interpreting the digital waveform display
To display and rearrange the digital channels
To turn individual channels on and off
To force all channels on or all channels off
To change the display size of the digital channels
To change the logic threshold for digital channels
Using Digital Channels to Probe Circuits
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To turn the label display on or off
To assign a predefined label to a channel
To define a new label
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To reset the label library to the factory default
1P r e s s t h e
2P r e s s t h e
Saving and Recalling Traces and Setups
To Autosave traces and setups
To save traces and setups to internal memory or to overwrite an existing floppy disk file
To save traces and setups to a new file on the floppy disk
To recall traces and setups
Saving (printing) screen images to floppy disk
Recalling the factory default setup
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Making Measurements
Capturing Data
To use delayed sweep
2Press the
3Press the
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To reduce the random noise on a signal
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3 Use averaging to reduce noise on the displayed waveform.
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To capture glitches or narrow pulses with peak detect and infinite persistence
2 To find the glitch, press the Acquire key, then, press the Peak Det softkey.
3P r e s s t h e
4 Characterize the glitch with delayed sweep.
To use the Roll horizontal mode
P r e s s t h e
To use the XY horizontal mode
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6 Move the Y1 and Y2 cursors to the intersection of the signal and the Y axis.
7 Calculate the phase difference using the formula below.
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Math Functions
Math Scale and Offset
1P r e s s t h e (units/division) or offset (units) for the selected math function.
2P r e s s t h e change the offset value for your math function.
Multiply
Subtract
Differentiate
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Integrate
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FFT Measurement
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FFT Operation
1P r e s s t h e to display the FFT menu.
2 Press the More FFT softkey to display additional FFT settings.
3 To make cursors measurements, press the softkey to Math.
4 To make other measurements, press the Quick Meas key and set the
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Cursor Measurements
To make cursor measurements
2Press the
3P r e s s t h e which the Y cursors will indicate measurements.
4 Select the X and Y softkeys to make a measurement.
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Automatic Measurements
Making automatic measurements
Making time measurements automatically
Measurement definitions
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Making Delay and Phase Measurements
P r e s s t h e delay measurement.
P r e s s t h e for the phase measurement.
Making voltage measurements automatically
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Making overshoot and preshoot measurements
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Utilities
To configure Quick Help languages
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To update your instrument to the latest application software
To configure a printer
1P r e s s t h e configuration menu. 2Press the
3P r e s s t h e
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To use the floppy disk
3 To delete a file from the floppy disk, press the Delete File softkey.
To set up the I/O port to use a controller
1P r e s s t h e GPIB.
2P r e s s t h e
3P r e s s t h e
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To set the clock
To set up the screen saver
1P r e s s t h e softkey to display the screen saver menu.
2Press the
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To perform service functions
P r e s s t h e menu.
P r e s s
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To set other options
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7-3
Agilent 54620-series Performance Characteristics
Acquisition: Analog Channels
Acquisition: Digital Channels (on 54621D and 54622D only)
7-4
Vertical System: Analog Channels
7-5
Vertical System: Analog Channels (continued)
Vertical System: Digital Channels (54621D and 54622D only)
7-6
Horizontal
7-7
Trigger System
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7-9
Display System
Measurement Features
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7-13
Agilent 54640-series Performance Characteristics
Acquisition: Analog Channels
Acquisition: Digital Channels (on 54641D and 54642D only)
7-14
Vertical System: Analog Channels
7-15
Vertical System: Analog Channels (continued)
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Vertical System: Digital Channels (54641D and 54642D only)
7-16
Horizontal
7-17
Trigger System
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7-19
Display System
Measurement Features
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Index
Index-1
Index-2
Index-3
Index-4
DECLARATION OF CONFORMITY
Product Regulations
DECLARATION OF CONFORMITY
Product Regulations
Safety Notices
!
Notices
2-8