The RIGOL DHO914 is a high-resolution 4-channel mixed-signal digital oscilloscope designed for electronics development, embedded-system debugging, power electronics, industrial testing, education, and research applications. BDTronics offers this original RIGOL oscilloscope with 125MHz analog bandwidth, 12-bit vertical resolution, up to 1.25GSa/s real-time sampling rate, and support for 16 digital logic channels.

Combining four analog channels with optional 16-channel digital logic analysis, the DHO914 provides a versatile platform for examining analog waveforms, digital signals, serial communication buses, PWM, clocks, and control signals. Its 7-inch capacitive touchscreen, deep memory, high waveform capture rate, and low-noise measurement architecture make it suitable for detailed signal analysis and troubleshooting.

Features:

• Original RIGOL DHO914 digital oscilloscope

• 125MHz analog bandwidth

• 4 analog input channels

• Support for 16 digital logic channels

• Up to 1.25GSa/s real-time sampling rate

• 12-bit vertical resolution

• Up to 50Mpts memory depth

• Up to 1,000,000 wfms/s waveform capture rate with UltraAcquire

• 7-inch capacitive touchscreen

• 1024 × 600 display resolution

• Digital phosphor display with 256-level intensity grading

• Ultra-low noise floor

• Peak detection for capturing glitches as short as 1.6ns

• Serial bus analysis and decoding capabilities

• USB Host and USB Device interfaces

• LAN interface

• HDMI output

• Compact desktop and portable design

• Includes 4 × PVP3150 passive oscilloscope probes

• Optional RIGOL PLA2216 logic probe required for 16 digital-channel operation

• Suitable for electronics, embedded systems, power electronics, and R&D

• BDTronics suitable for professional electronics measurement and testing in Bangladesh

Technical Specifications:

Sampling Rate by Active Channels:

The maximum real-time sampling rate depends on the number of active analog channels:

This channel-dependent sampling architecture allows the oscilloscope to allocate its acquisition resources according to the number of active channels.

4 Analog + 16 Digital Channels:

The DHO914 combines four analog oscilloscope channels with support for 16 digital logic channels, making it useful for mixed-signal debugging.

The digital channels can be used to observe and correlate signals such as:

• GPIO

• Digital clocks

• PWM

• SPI

• I²C

• UART

• RS232

• CAN

• LIN

• Digital control signals

Important: The 16 digital channels require the optional RIGOL PLA2216 logic analyzer probe. They are not 16 additional analog oscilloscope inputs.

12-Bit Vertical Resolution:

The DHO914 uses a 12-bit ADC, providing 4096 quantization levels. Compared with a conventional 8-bit oscilloscope with 256 levels, the higher vertical resolution allows finer measurement of voltage changes and improved visualization of smaller signal variations within the selected voltage range.

This is particularly useful for power electronics, sensor signals, analog circuits, embedded systems, and other applications where small waveform variations need to be observed.

High-Speed Waveform Capture:

With UltraAcquire mode, the DHO914 can capture up to 1,000,000 waveforms per second. A high waveform capture rate increases the opportunity to observe intermittent events, glitches, signal abnormalities, and other waveform behavior that may be missed during slower acquisition.

Deep Memory:

The DHO914 provides up to 50Mpts memory depth in single-channel operation. Memory allocation varies with the number of active analog channels:

• Single channel: up to 50Mpts

• Two channels: up to 25Mpts

• Three or four channels: up to 10Mpts

Deep memory is useful for capturing longer waveform records while maintaining detailed signal information.

Peak Detection:

The oscilloscope provides peak detection capability for capturing short-duration waveform abnormalities and glitches as short as approximately 1.6ns, helping engineers investigate transient events that may otherwise be difficult to observe.

Serial Bus Analysis:

The DHO914 can be used for debugging and analyzing digital communication signals when the appropriate decoding functionality and connections are available. This makes it useful for embedded systems using interfaces such as UART, SPI, I²C, CAN, and other supported serial protocols.

DHO914 vs DHO914S:

The DHO914 and DHO914S share core oscilloscope specifications such as 125MHz bandwidth, four analog channels, 16 digital channels, 12-bit resolution, and up to 1.25GSa/s sampling.

The DHO914 does not include the built-in 25MHz arbitrary function generator and Bode plot functionality associated with the DHO914S.

Applications:

• Electronics troubleshooting

• Embedded system development

• Arduino debugging

• ESP32 debugging

• STM32 development

• Microcontroller signal analysis

• Digital communication debugging

• UART analysis

• SPI analysis

• I²C analysis

• CAN bus troubleshooting

• PWM measurement

• Motor control development

• Power electronics testing

• SMPS testing

• DC-DC converter testing

• Inverter development

• Gate-drive waveform measurement

• Switching power supply analysis

• Analog circuit testing

• Research and development

• University electronics laboratories

• Industrial electronics testing

• Robotics and automation development

Package Includes:

• 1 × RIGOL DHO914 Digital Oscilloscope

• 4 × RIGOL PVP3150 Passive Oscilloscope Probes

• 1 × Power Cord

• 1 × USB Cable

• 1 × Calibration Certificate

• Documentation

Note: The optional PLA2216 digital logic probe is not included and is required separately for using the 16 digital logic channels. The standard DHO914 also does not include the built-in arbitrary function generator found on the DHO914S.

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