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UTS7000A-I/Q I/Q Analyzer option for UTS7000A series

$999.00
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Description

UTS7000A-I/Q (I/Q Analysis) Critical for digital communication engineers analyzing baseband IQ data, performing custom demodulation, and developing DSP algorithms. Provides up to 255MHz I/Q capture bandwidth with flexible triggering, filtering, and export capabilities for MATLAB or Python post-processing.


Top Specifications

For use with the UTS7000A-Series

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UNI-T UTS7000A Options Series

OVERVIEW

DOCUMENTATION

UTS7000A-I/Q: I/Q Analysis and Data Capture

Overview

The UTS7000A-I/Q software option enables raw I/Q (in-phase/quadrature) data capture, visualization, and export—the bridge between your analyzer and custom signal processing workflows. Every modern wireless signal is fundamentally an I/Q baseband representation, and the I/Q option gives you direct access to that data: capture it, display it in time and frequency domains, and export it to MATLAB, Python, GNU Radio, or any other processing environment for custom analysis.

This is the option for engineers who need to go beyond built-in measurement capabilities—researchers developing custom demodulation algorithms, interference analysis tools, or machine learning classifiers that operate on raw I/Q data. It's also essential for capturing transient RF events for detailed offline analysis when real-time processing can't keep up.

What I/Q Capture Enables

Custom Demodulation and Algorithm Development: If you're developing a new receiver algorithm, a signal classifier, or a custom demodulation chain, you need real-world I/Q data captured from actual RF signals—not simulated data from a model. The I/Q option captures up to 8 million I/Q sample pairs per acquisition at bandwidths up to 255 MHz (with appropriate bandwidth option), providing the raw material for algorithm development and validation. Export to MATLAB or CSV, process with your custom code, and iterate.

Interference Analysis and Signal Recording: When an intermittent interference event occurs, the I/Q option captures the complete baseband representation of that event for detailed offline analysis. Combined with the analyzer's trigger capabilities (free run, external, power, frequency mask template), you can set up the analyzer to capture I/Q data only when the interference appears—building a library of interference signatures for root-cause analysis.

Radar Pulse Analysis: I/Q capture preserves the full amplitude and phase information of radar pulses, enabling detailed pulse characterization including intra-pulse modulation (chirp linearity, phase coding), pulse-to-pulse stability, and PRF jitter. The time-domain I/Q display shows pulse shape directly, while FFT analysis reveals spectral content within individual pulses.

Machine Learning Training Data: RF signal classification using neural networks requires large labeled datasets of I/Q samples from real signals. The I/Q option provides a calibrated, high-dynamic-range capture front-end for building these datasets across the full 2 Hz to 40 GHz frequency range.

Technical Specifications

Parameter Specification
I/Q Analysis Bandwidth 10 Hz to 20 MHz (standard)
10 Hz to 40 MHz (with UTS7000A-B40)
10 Hz to 85 MHz (with UTS7000A-B85)
10 Hz to 160 MHz (with UTS7000A-B160)
10 Hz to 255 MHz (with UTS7000A-B255)
IQ Record Length (20 MHz path) 8,000,000 IQ sample pairs
Sample Rate (20 MHz path) 100 MSa/s
Data Rate (20 MHz path) IFBW × 1.25
IQ Record Length (40–255 MHz path) 8,000,000 IQ sample pairs
Sample Rate (40–255 MHz path) 1 GSa/s
Data Rate (40–255 MHz path) IFBW × 1.2
ADC Resolution 14 bits
RBW (Spectrum View) 1 Hz to 10 MHz
Window Shapes Flat Top, Hanning, Gaussian, Blackman, Blackman-Harris
IF Frequency Response (≤3 GHz, ≤10 MHz span) ±0.4 dB max error, 0.03 dB RMS (Nom.)
IF Phase Linearity (≤3 GHz, ≤10 MHz span) 0.5° peak-to-peak, 0.2° RMS (Nom.)
Export Formats MATLAB (.mat), CSV, binary
Trigger Sources Free run, external trigger 1/2, cycle, power (time), frequency mask template (FMT)
Option Type Software (can be added at any time)
Compatible Models All UTS7000A models including standard and -NB variants

Frequently Asked Questions

How does I/Q capture bandwidth relate to the bandwidth options?

I/Q capture bandwidth matches your installed real-time bandwidth option. Standard (no bandwidth option): 20 MHz. With B40: 40 MHz. With B85: 85 MHz. B160: 160 MHz. B255: 255 MHz. The I/Q option provides the capture and export capability; the bandwidth option determines how wide that capture window is. On -NB narrowband models, I/Q capture is limited to 20 MHz.

What's the maximum recording duration?

With 8 million IQ sample pairs, recording time depends on the I/Q sample rate (which scales with bandwidth). At 20 MHz bandwidth: approximately 400 ms. At 255 MHz bandwidth: approximately 8 ms. For longer captures, use triggered acquisition to capture only the events of interest, or implement segmented capture workflows using external control.

Do I need the I/Q option if I have the VSA option?

They serve different purposes. VSA performs built-in demodulation and EVM measurement on the analyzer itself. The I/Q option exports raw data for external processing. If you need to run custom algorithms, develop classifiers, or perform analysis that the built-in VSA doesn't support, you need the I/Q option. Many research and development labs use both: VSA for quick modulation quality checks, I/Q for deep custom analysis.

Raw I/Q baseband capture at up to 255 MHz bandwidth—export to MATLAB, Python, or any custom processing environment.

DATA SHEET
USER MANUAL
PROGRAMMING MANUAL
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