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GW Instek GDS-3000A: Introduction to 1 GHz oscilloscopes

Posted by Batter Fly 21.11.2025 0 Comment(s) 547 Messtechnik,

GW Instek expands its renowned GDS-3000A series by introducing new models with 1 GHz bandwidth. Designed for engineers requiring high performance for analyzing fast and complex signals, the GDS-3102A (2 channels) and GDS-3104A (4 channels) models combine excellent signal fidelity with advanced analysis tools.

With a real-time sampling rate of up to 5 GSa/s and an industry-leading memory depth of 200 Mpts per channel, these oscilloscopes allow you to capture fine details over long time intervals, making them ideal for debugging embedded systems, analyzing switching power supplies, and verifying high-speed serial interfaces.

In-Depth Analysis and VPO Display

The GDS-3000A series features a large 10.2-inch TFT LCD with VPO (Visual Persistence Oscilloscope) technology and 8-bit RGB color gradation. This allows for clear visualization of signal intensity distribution and distinction between noise and actual signals, recreating the visual experience of an analog oscilloscope but with digital power.

Time and Frequency Domain Analysis

The GDS-3000A series is not just an oscilloscope, but a complete analysis tool. It integrates a dual-channel spectrum analyzer covering a bandwidth up to 2.5 GHz, equipped with a Spectrogram function to visualize spectral variations over time. This allows engineers to simultaneously verify electrical behavior and RF emissions of their circuits, significantly simplifying the EMI debugging process and complex signal analysis.

Advanced Solution for Power Electronics

For power supply designers, the GDS-3000A offers an optional package with 13 power analysis functions, including switching loss measurement, control loop response analysis (Bode plot), and B-H curve verification of magnetic components. Additionally, the instrument features integrated power supply outputs for current probes (GCP-530/1030), eliminating the need for expensive external power supplies and reducing workbench clutter.

Specifications GDS-3102A GDS-3104A
Bandwidth 1 GHz 1 GHz
Analog Channels 2 + EXT 4 + EXT
Sampling Rate 5 GSa/s (half channels)
2.5 GSa/s (all channels)
5 GSa/s (half channels)
2.5 GSa/s (all channels)
Memory Depth 200 Mpts/channel 200 Mpts/channel
AWG Generator 2 Channels, 25 MHz (Standard) 2 Channels, 25 MHz (Standard)

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