Description
Rohde Schwarz FSIQ3 Vector Signal Analyzer
The Rohde Schwarz FSIQ3 Vector Signal Analyzer is a high-performance RF and microwave signal analyzer designed for precise signal measurement, modulation analysis, and spectrum monitoring in wireless communications, aerospace, defense, and research applications. Covering a frequency range of 20 Hz to 3.5 GHz, the FSIQ3 provides exceptional dynamic range, low phase noise, and advanced modulation analysis, making it a powerful tool for engineers and researchers working with digital and analog communication systems.

Key Features:
- Wide Frequency Range: Covers 20 Hz to 3.5 GHz, supporting various RF and microwave applications.
- High Dynamic Range & Low Phase Noise: Ensures accurate signal characterization with minimal measurement distortion.
- Vector Signal Analysis (VSA): Supports IQ demodulation and digital modulation analysis, including QAM, PSK, and OFDM.
- Fast & High-Resolution FFT Analysis: Provides detailed spectral insights, ideal for interference detection and signal integrity analysis.
- Comprehensive Measurement Capabilities:
- Adjacent Channel Power Ratio (ACPR)
- Occupied Bandwidth (OBW)
- Error Vector Magnitude (EVM)
- Harmonic & Spurious Emission Analysis
- Phase noise measurements
- Time-Domain Analysis: Captures transient events and burst signals for advanced debugging.
- High-Resolution Display: Large screen for clear visualization of signal traces and modulation results.
- Remote Operation & Automation:
- GPIB & LAN interfaces for integration into automated test systems.
- SCPI command support for programmable testing.
Applications:
- Wireless Communication Testing: Measures GSM, CDMA, WCDMA, LTE, Wi-Fi, and Bluetooth signals.
- Aerospace & Defense: Evaluates radar, satellite, and secure communication systems.
- RF Component & System Design: Ideal for testing amplifiers, filters, and transceivers.
- EMI/EMC Pre-Compliance Testing: Helps identify unwanted emissions and signal interference.
The Rohde Schwarz FSIQ3 is a versatile and precise vector signal analyzer, offering high-performance RF measurement, advanced modulation analysis, and extensive connectivity options, making it the ideal choice for R&D, production testing, and wireless system validation.
Specifications
General Specifications
- Model: Rohde Schwarz FSIQ3
- Type: Vector Signal Analyzer (VSA)
- Display: High-resolution color screen
- User Interface: Intuitive menu-driven operation
Frequency & Performance
- Frequency Range: 20 Hz to 3.5 GHz
- Frequency Accuracy: ±(reference frequency × 10⁻⁶)
- Resolution Bandwidth (RBW): 1 Hz to 10 MHz
- Video Bandwidth (VBW): 1 Hz to 10 MHz
- Phase Noise (at 10 kHz offset, 1 GHz signal): -153 dBc/Hz
- Dynamic Range: > 80 dB (typical)
- Displayed Average Noise Level (DANL): -145 dBm (typical, preamp off)
Vector Signal Analysis Capabilities
- Modulation Analysis: Supports AM, FM, PM, QAM, PSK, and OFDM
- Error Vector Magnitude (EVM): Provides in-depth digital modulation quality analysis
- IQ Demodulation Bandwidth: up to 10 MHz
- Time-Domain Analysis: Burst signal analysis and transient event detection
Measurement Functions
- Power & Spectral Analysis:
- Adjacent Channel Power Ratio (ACPR)
- Occupied Bandwidth (OBW)
- Channel Power Measurement
- Harmonic and Spurious Emission Analysis
- Phase Noise & Signal Purity Testing:
- Measures low-noise signals with high precision
Connectivity & Remote Control
- Interfaces:
- GPIB, LAN, and RS-232 for remote control
- External reference input (10 MHz) for synchronization
- Storage & Data Transfer:
- Internal memory for saving measurement results
- Supports external PC connectivity for data export and analysis
Physical & Power
- Dimensions: Approx. 450 × 236 × 450 mm
- Weight: Approx. 25 kg (55 lbs)
- Power Requirements:
- Voltage: 100-240V AC
- Frequency: 50/60 Hz
- Power Consumption: Max 300W
Environmental & Durability
- Operating Temperature: +5°C to +45°C
- Storage Temperature: -40°C to +70°C
- Humidity Resistance: Up to 95% relative humidity
Key Benefits
✅ Wide Frequency Range (20 Hz – 3.5 GHz) – Covers a broad spectrum of RF applications
✅ High Dynamic Range & Low Phase Noise – Ensures precise signal measurement
✅ Advanced Modulation & Vector Analysis – Supports QAM, PSK, OFDM, and more
✅ Remote Operation & Automation – Ideal for automated test setups and lab environments
The Rohde Schwarz FSIQ3 is a cutting-edge vector signal analyzer, offering industry-leading signal analysis, modulation capabilities, and high measurement accuracy, making it the perfect choice for wireless communication, aerospace, and RF component testing.
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