Keysight InfiniiVision HD3 Series

4× the Resolution. Half the Noise. Total Signal Confidence.

Meet the Keysight InfiniiVision HD3 Series a portable oscilloscope engineered for engineers who need uncompromised accuracy, deeper insight, and faster debugging. With industry-leading resolution, ultra-low noise, and a powerful custom architecture, the HD3 sets a new benchmark in its class.

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Key Specifications

  • Bandwidth: Up to 1 GHz

  • Channels: 2 or 4 analog + 16 digital

  • ADC: 14-bit

  • Noise Floor: 50 µV RMS (best in class)

  • Memory Depth: Up to 100 Mpts

  • Waveform Update Rate: Up to 1.3M wfms/sec

Unmatched Precision Starts at the Front End

At the heart of the HD3 is a custom 14-bit ADC, purpose-built ASIC, and Keysight’s lowest-noise front-end architecture.

  • 14-bit ADC for superior vertical resolution

  • 50 µV RMS noise floor reveals the smallest signal details

  • Deep memory up to 100 Mpts captures long acquisitions without compromise

Resulting in cleaner waveforms, more accurate measurements, and confidence you can trust.

Even Greater Accuracy When You Need It

Need to push resolution even further?

Built-in bandwidth filters enable up to 5× better accuracy, delivering up to 16 bits of resolution for ultra-fine signal analysis.
Even at the full 1 GHz bandwidth, the HD3 maintains exceptional performance, allowing you to zoom in to 500 µV/div without losing fidelity.

More Than an Oscilloscope: A True 7-in-1 Instrument

The InfiniiVision HD3 goes beyond traditional oscilloscope functionality, combining seven powerful instruments in one compact platform:

  • Oscilloscope

  • Mixed-Signal Oscilloscope (MSO)

  • Protocol Analyzer

  • Frequency Response Analyzer

  • Voltmeter

  • Eight-Digit Counter

  • 100 MHz Arbitrary Waveform Generator

Fewer instruments. Less bench clutter. More productivity.

Optional Software & Upgrades

Tailor the HD3 to your application with powerful software options:

  • HD3WAVEGEN – 100 MHz WaveGen upgrade

  • HD300EMBA – Embedded protocol analysis (I²C, SPI, RS-232/422/485, UART)

  • HD300MSO-100 – Memory upgrade from 20 Mpts to 100 Mpts per channel

  • HD3SECURE – Enhanced security option

Ready to See the Difference?

Experience the oscilloscope that redefines resolution and noise performance in its class.
👉 Request a Quote

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