- Embedded Design and Debug
- Mixed Signal Design and Debug
- Investigation of Transient Phenomena
- Power Measurements
- Video Design and Debug
- Automotive Electronics
Tektronix 4000 Series Digital Phosphor Oscilloscopes
The 4000 Series family includes the DPO4000 Series and the MSO4000 Series. The DPO4000 Series Digital Phosphor Oscilloscopes (DPOs) are the first oscilloscopes to offer usable deep memory on all channels, excellent performance, serial trigger and analysis options, and all in the most compact form factor in their class. The MSO4000 Series Mixed Signal Oscilloscopes (MSOs) provide all the features and benefits of the DPO4000, but add 16integrated digital channels, enabling you to visualize and correlate analog and digital signals on a single instrument. This integration extends triggering functionality across all 20channels providing pattern and state triggering ideal for debugging mixed analog and digital designs.
Designed to Make Your Work Easier
As design complexity increases, you need tools that help you find problems quickly.
Easy to Set-up and Use
The 4000 Series has a large 10.4inch XGA display, a clean front panel with familiar knobs - all in a package that is only 5.4” deep and weighs only 11lbs. With USB plug-and-play operation and PC connectivity, acquiring data and measurements from the instrument is as simple as connecting a USB cable from the oscilloscope to the PC. Provided applications include National Instruments SignalExpress™ Tektronix Edition, OpenChoice® Desktop and Microsoft Excel and Word toolbars enabling fast and easy direct communication with your Windows PC. USB and CompactFlash ports on the front panel enable simple transfer of screenshots, instrument settings, and waveform data in the palm of your hand. When it comes to mixed signal design and debug, you want your instrument to be intuitive so you can start solving problems quickly. The MSO4000 Series drives like an oscilloscope, the tool you already know how to use. You do not have to relearn how to use the instrument every time you turn it on.
Wave Inspector® Navigation
Imagine trying to efficiently use the Internet if search engines such as Google and Yahoo didn’t exist, web browser features such as Favorites and Links didn’t exist, or Internet Service Providers like AOL or MSN weren’t around. Now you know how most modern oscilloscope users feel when trying to actually use the long record length in their digital oscilloscope. Record length, one of the key specifications of an oscilloscope, is the number of samples it can digitize and store in a single acquisition. The longer the record length, the longer the time window you can capture with high timing resolution (high sample rate).
The first digital oscilloscopes could capture and store only 500points, which made it very difficult to acquire all relevant information around the event being investigated. Over the years, oscilloscope vendors have provided longer and longer record lengths to meet market demands for long capture windows with high resolution, to the point that most mid-range oscilloscopes either come standard with, or can be optionally upgraded to, multi-mega-point record lengths. These mega-point record lengths often represent thousands of screens worth of signal activity. While standard record lengths have increased greatly over the years and can now satisfy the vast majority of applications in the market-place, tools for effectively and efficiently viewing, navigating and analyzing long record length acquisitions have been sorely neglected until now.
The Tektronix 4000 Series redefines expectations for working with long record lengths with the following innovative Wave Inspector controls:
Zoom/Pan - A dedicated, two-tier front-panel knob provides intuitive control of both zooming and panning. The inner knob adjusts the zoom factor (or zoom scale); turning it clockwise activates zoom and goes to progressively higher zoom factors, while turning it counter-clockwise results in lower zoom factors and eventually turning zoom off. The outer knob pans the zoom box across the waveform to quickly get to the portion of the waveform you are interested in. The outer knob also utilizes force-feedback to determine how fast to pan on the waveform. The farther you turn the outer knob, the faster the zoom box moves. Pan direction is changed by simply turning the knob the other way. No longer do you need to navigate through multiple menus to adjust your zoom view.
Play/Pause - A dedicated play/pause button on the front panel scrolls the waveform across the display automatically while you look for anomalies or an event of interest. Playback speed and direction are controlled using the intuitive pan knob. Once again, turning the knob further makes the waveform scroll faster and changing direction is as simple as turning the knob the other way.
User Marks - See something interesting on your waveform? Press the Set Mark button on the front panel to leave one or more “bookmarks” on the waveform. Navigating between marks is as simple as pressing the Previous and Next buttons on the front panel.
Search Marks - Don’t want to take the time to inspect the entire acquisition to find the event you’re looking for? The 4000 Series features a robust waveform search feature that allows you to search through your long acquisition based on user-defined criteria. All occurrences of the event are highlighted with search marks and are easily navigated to, using the front panel Previous and Next buttons. Search types include edge, pulse width, runt, logic, setup and hold, rise/fall time and I2C, SPI, RS-232 and CAN packet content.
Wave Inspector® controls provide unprecedented efficiency in viewing, navigating and analyzing waveform data.
Wave Inspector® controls.
P6516 Mixed Signal Oscilloscope probe.
P6516 MSO Probe
This unique probe design offers two eight-channel pods. Each channel ends with a new probe tip design that includes a recessed ground for simplified connection to the device-under-test. This sleek new probe simplifies the process of connecting to the device-under-test. The coax on the first channel of each pod is colored blue making it easy to identify. The common ground uses an automotive style connector making it easy to create custom grounds for connecting to the device-under-test. When connecting to square pins, the P6516 has an adapter that attaches to the probe head extending the probe ground flush with the probe tip so you can attach to a header. The P6516 offers outstanding electrical characteristics applying only 3 pF of loading.
The Power to Solve Problems Quickly
The Performance and Feature Set You Expect
The 4000 Series Digital Phosphor Oscilloscopes (DPO) deliver the performance you need to visualize even your most demanding signals. Bandwidths range from 350MHz to 1GHz, and with all models offering a minimum of 5x over-sampling on all channels and sin(x)/x interpolation standard, you can be confident that even the fastest transient events will be captured and displayed accurately. The standard 10M record length on all channels enables you to capture long windows of signal activity while maintaining fine timing resolution.
The 4000 Series offers a variety of analytical solutions including cursors, 25 automatic measurements, statistics and waveform math. Despite a tiny footprint (only 5.4in. deep) and lightweight (11lbs.), the 4000 Series offers exceptional performance, a large 10.4" XGA display and knob-per-channel vertical controls.
The TekVPI™ probe interface sets the standard for ease of use in probing. TekVPI probes feature status indicators and controls, as well as a probe menu button right on the comp box itself. This button brings up a probe menu on the oscilloscope display with all relevant settings and controls for the probe. The TekVPI interface utilizes a new probe power management architecture enabling direct attachment of current probes without requiring a separate, bulky power supply. Finally, TekVPI probes can be controlled remotely via USB, GPIB or Ethernet, enabling more versatile solutions in ATE environments.
MagniVu™
The main digital acquisition mode on the MSO4000 Series will capture up to 10M points at 500 MS/s (2nsresolution). In addition to the main record, the MSO4000 provides an ultra high resolution mode called MagniVu which acquires 10,000 points at up to 16.5GS/s (60.6psresolution). Both main and MagniVu waveforms are acquired on every trigger and can be switched between at any time, running or stopped. MagniVu provides close to ten times finer timing resolution than any other MSO on the market, instilling confidence when making critical timing measurements on digital waveforms.
Multi-channel setup and hold triggering highlighting multiple violations (MSO4000).
Triggering on a specific data packet going across an RS-232 bus. Bus waveform provides decoded packet content displayed in ASCII.
Serial Triggering and Analysis
One of the most common applications requiring long record length is serial data analysis in embedded system design. Embedded systems are literally everywhere. They can contain many different types of devices including microprocessors, microcontrollers, DSPs, RAM, EPROMs, FPGAs, ADCs, DACs and I/O. These various devices have traditionally communicated with each other and the outside world using wide parallel buses. Today, however, more and more embedded systems are replacing these wide parallel buses with serial buses due to lower board space requirements, fewer pins, lower power, embedded clocks, differential signaling for better noise immunity, and most importantly, lower cost. In addition, there’s a large supply of off-the-shelf building block components from reputable manufacturers, enabling rapid design development.
While serial buses have a large number of benefits, they also present significant challenges that their predecessors (parallel buses) did not face. They make debugging bus and system problems more difficult, it’s harder to isolate events of interest, and it’s more difficult to interpret what is displayed on the oscilloscope screen. The 4000 Series addresses these challenges and represents the ultimate tool for engineers working with low-speed serial buses such as I2C, SPI, RS-232 and CAN.
Bus Display - Provides a higher level, combined view of the individual signals (clock, data, chip enable etc.) that make up your bus, making it easy to identify where packets begin and end and identifying sub-packet components such as address, data, identifier, CRC etc.
Serial Triggering - Trigger on packet content such as start of packet, specific addresses, specific data content, unique identifiers, etc., on popular low-speed serial interfaces such as I2C, SPI, RS-232 and CAN.
Bus Decoding - Tired of having to visually inspect the waveform to count clocks, determine if each bit is a 1 or a 0, combine bits into bytes and determine the hex value? Let the oscilloscope do it for you! Once you’ve set up a bus, the oscilloscope will decode each packet on the bus, and display the value in either hex, binary or ASCII (RS-232 only) in the bus waveform.
Event Table - In addition to seeing decoded packet data on the bus waveform itself, you can view all captured packets in a tabular view much like you would see on a logic analyzer. Packets are listed consecutively with columns for each component (Address, Data, etc.).
Search - Serial triggering is very useful for isolating the event of interest, but once you’ve captured it and need to analyze the surrounding data, what do you do? In the past, you had to manually scroll through the waveform, counting and converting bits and looking for what caused the event. With the 4000 Series, you can have the oscilloscope search through the acquired data for user-defined criteria including serial packet content. Each occurrence is highlighted by a search mark. Rapid navigation between marks is as simple as pressing the Prev and Next buttons on the front panel.
Packet decode table showing decoded Identifier, DLC, Data and CRC for every CAN packet in a long acquisition.
Mixed Signal Design and Analysis (MSO4000)
As an embedded design engineer, you are faced with the challenge of ever-increasing system complexity. A typical embedded design may incorporate various analog signals, high- and low-speed serial digital communication, and microprocessor buses, just to name a few. Serial protocols such as I2C and SPI are used frequently for chip-to-chip communication, but parallel buses are still used in many applications. Microprocessors, FPGAs, Analog-to-Digital Converters (ADCs), and Digital-to-Analog Converters (DACs) are all examples of ICs that present unique measurement challenges in today’s embedded designs. The MSO4000 Series Mixed Signal Oscilloscopes offer the addition of 16digital channels. These channels are tightly integrated into the oscilloscope's user interface, simplifying operation and making it possible to solve mixed signal issues more easily.
Next Generation Digital Waveform Display
In a continued effort to make mixed signal oscilloscopes easy to use, the MSO4000 Series has redefined the way you view digital waveforms. One common problem shared by both logic analyzers and mixed signal oscilloscopes is determining if data is a one or a zero when zoomed in far enough that the digital trace stays flat all the way across the display. The MSO4000 has color-coded the digital traces, displaying ones in green and zeros in blue.
The MSO4000 has multiple transition detection hardware. When the system detects multiple transitions, the user will see a white edge on the display. White edges indicate that more information is available by zooming in or acquiring at faster sampling rates. In most cases zooming in will reveal the pulse that was not viewable at the previous settings. If the white edge is still present after zooming in as far as possible, this indicates that increasing your sample rate on the next acquisition will reveal higher frequency information than your previous settings could acquire.
White edges indicate additional information is available by zooming in.
Channel setup on an MSO can often be time-consuming as compared to the traditional oscilloscope. This process often includes probing the device-under-test, labeling the channels and positioning the channels on screen. The MSO4000simplifies this process by allowing the user to group digital waveforms. By simply placing digital waveforms next to each other, they form a group. Once a group is formed, you can position all the channels contained in that group together. This greatly reduces the normal setup time associated with positioning channels individually.
Groups are created by simply placing digital channels together on the screen. You can position and set threshold values for a group in a single step.
Clocked parallel bus display, decoding a 7 bit counter.
Other Applications
Video Design and Development
Many video engineers have remained loyal to analog oscilloscopes, believing the intensity gradations on an analog display are the only way to see certain video waveform details. The 4000 Series fast waveform capture rate, coupled with its intensity-graded view of the signal, provides the same information-rich display as an analog oscilloscope, but with much more detail and all the benefits of digital scopes. With up to 1GHz bandwidth and four analog inputs, the 4000Series provides ample performance for analog and digital video use.
OpenChoice® Desktop ? Standard software seamlessly connects the 4000 Series to a PC.
National Instruments SignalExpress™ Tektronix Edition ? Fully interactive measurement acquisition and analysis software developed jointly with NI, and optimized for the 4000 Series.
Viewing an NTSC video signal. Notice the intensity-graded view provided by the DPO’s ability to represent time, amplitude and distribution of amplitude over time.
Fast waveform capture rate maximizes the probability of capturing elusive glitches and other infrequent events.
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Features & Benefits 
