Tektronix DPO2024B Oscilloscope 200MHz 4-CH 1GS/s

TEKTRONIX DPO2024B DIGITAL PHOSPHOR OSCILLOSCOPE 200MHZ 4-CH 1GS/S POWER TESTED

The Tektronix DPO2024B is a robust, benchtop 4-channel Digital Phosphor Oscilloscope (DPO) engineered for transient capture, embedded systems validation, and precision signal debugging. Delivering a 200 MHz analog bandwidth paired with a maximum real-time sampling rate of 1 GS/s simultaneously across all active analog channels, the DPO2024B provides the waveform fidelity and signal visualization critical for debugging high-frequency switching transients, digital communication buses, and marine automation control loops.

Featuring Tektronix’s proprietary digital phosphor technology, the DPO2024B yields a high waveform capture rate (up to 5,000 wfm/s) with 256 levels of intensity grading, surfacing infrequent anomalies such as runt pulses, jitter, timing violations, and ringing that conventional digital storage oscilloscopes miss. With an uncompromised 1 Mpoint record length standard across all channels, high horizontal resolution is maintained over long acquisition windows, enabling in-depth serial bus analysis and automated search/mark capabilities via the integrated Wave Inspector® navigation console.

Model Details

• Manufacturer: Tektronix, Inc.
• Series: DPO2000B / MSO2000B Series
• Model: DPO2024B
• Manufacturer Part Number (MPN): DPO2024B
• Tektronix Order Codes: DPO2024B-US, DPO2024B-EU, DPO2024B-UK (differentiated by shipped power cord configuration)
• Form Factor: Compact Portable Benchtop with Integrated Carrying Handle

Key Features

1. Continuous 1 GS/s Real-Time Sampling: Delivers uncompressed 1 GS/s simultaneous sampling across all 4 analog channels with an analog bandwidth of 200 MHz, ensuring 5x oversampling for high-frequency edge-rate accuracy.
2. Deep 1 Mpoint Acquisition Memory: Standard 1 Mpoint record length per channel captures long acquisition frames while preserving high sample rates and microsecond timing detail.
3. Wave Inspector® Navigation Controls: Dedicated outer pan and inner zoom rotary controls let operators inspect, scrub, and auto-mark complex waveforms across deep memory buffers.
4. FilterVu™ Variable Low-Pass Filter: Enables manual filtering of unwanted high-frequency noise (down to 20 MHz or sub-MHz) while simultaneously tracking anomalies across the full 200 MHz raw bandwidth.
5. Multi-Bus Serial Triggering & Decode: Hardware-accelerated trigger, decode, and search support for protocols including I2C, SPI, RS-232/422/485, UART, CAN, and LIN.

Communication & Expansion Modules

• DPO2CONN: Adds 10/100Base-T Ethernet RJ45 network port (LXI Core 2011 compliant) and standard DB-15 female analog SVGA display output for external monitors.
• DPO2EMBD: Application module enabling embedded serial bus analysis (I2C, SPI hardware trigger, bus decode, and event table display).
• DPO2COMP: Application module enabling RS-232, RS-422, RS-485, and UART serial trigger and packet decoding.
• DPO2AUTO: Application module enabling automotive/industrial bus trigger and analysis (CAN, LIN 2.0/J2602).

Applications

• Marine Vessel Main Automation Systems: Diagnosing propulsion control unit (PCU) input/output signaling, bridge-to-engine room CAN bus telemetry, and shaft tachometer pulses.
• Switch-Mode Power Supply (SMPS) Qualification: Analyzing primary-to-secondary MOSFET switching margins, gate-drive rise/fall timing, flyback converter snubber performance, and transformer saturation.
• Variable Frequency Drive (VFD) Maintenance: Tracking pulse-width modulated (PWM) gate-firing signals, optocoupler isolation degradation, and DC-bus ripple voltage under load.
• Embedded Microcontroller & DSP Debugging: Correlating SPI/I2C communication sequences against analog sensor feedback and interrupt lines.
• Industrial Telemetry & Supervisory Systems: Verifying RS-485 differential balance, ground loops, common-mode noise, and edge degradation across long plant-floor multidrop lines.

Frequently Asked Questions

What is the functional difference between the legacy Tektronix DPO2024 and the newer DPO2024B?

The original DPO2024 ran an interleaved architecture that delivered 1 GS/s on one channel and dropped to lower sampling rates as additional channels were activated. The updated DPO2024B model features enhanced internal digitizers that maintain a dedicated 1.0 GS/s real-time sampling rate on every channel simultaneously, preventing aliasing when running all four inputs in dense testing environments.

Can the DPO2024B decode engine-room CAN bus or RS-485 networks directly out of the box?

Hardware serial bus decoding requires the installation of the corresponding application module into the front chassis bay (DPO2AUTO for CAN/LIN protocols or DPO2COMP for RS-232/422/485). Once installed, the oscilloscope can trigger on specific packet frames, arbitration IDs, errors, and data strings, displaying them in a protocol listing table.

Does the DPO2024B come standard with an Ethernet port for SCPI remote automation?

The base chassis comes factory-equipped with a rear USB 2.0 Device port for PC automation via USBTMC. To enable remote control over a LAN network via SCPI commands or to output an external display to a projector or auxiliary screen, install the Tektronix DPO2CONN expansion module into the dedicated rear-panel port slot.

What should I check if Channel 1 or Channel 2 displays a baseline DC offset with no probe connected?

An input offset on an open BNC terminal typically indicates a thermal drift condition or an incomplete calibration cycle. Disconnect all BNC cables and probes from the front terminals, ensure the instrument has operated for at least 20 minutes at a stable ambient temperature, and run the internal Signal Path Compensation (SPC) routine from the System menu. If the offset persists, inspect the front-panel hybrid attenuator circuitry for hardware-level overvoltage damage.