Rohde & Schwarz
Rohde & Schwarz FSIQ3
20Hz - 8GHz Spectrum Analyser
20 Hz – 3 GHz Frequency Range
10 Hz – 10 MHz Resolution Bandwidth
< -130 dBc/Hz at 10 kHz offset (1 GHz carrier) Phase Noise
Up to 100 dB Display Range (Dynamic Range)
50 Ohm Input Impedance
€4,000.00 excl. VAT + free EU delivery

| Attribute | Value |
|---|---|
| Frequency Range | 20 Hz – 3 GHz |
| Resolution Bandwidth | 10 Hz – 10 MHz |
| Phase Noise | < -130 dBc/Hz at 10 kHz offset (1 GHz carrier) |
| Display Range (Dynamic Range) | Up to 100 dB |
| Input Impedance | 50 Ohm |
| Maximum Input Level | +30 dBm (1 W) |
| Displayed Average Noise Level (DANL) | -155 dBm (typical, with preamplifier) |
| Demodulation Bandwidth | Up to 36 MHz (vector signal analysis) |
| Measurement Functions | Spectrum analysis, vector signal analysis, modulation analysis (AM, FM, PM, QAM, PSK, FSK) |
| Interface / Connectivity | GPIB (IEEE 488), RS-232, external trigger input |
Rohde & Schwarz FSIQ3 Options:
- FSIQ3 - B4 - Low Phase Noise
- FSIQ3 - B5 - FFT Filter
- FSIQ3 - B7 - Vector Signal Analysis
- FSIQ3 - B10 - Tracking Generator
- FSIQ3 - B13 - 1 dB Input Attenuator
- FSIQ3 - B15 - Ethernet Adapter
- FSIQ3 - B17 - 2nd IEC/IEEE Bus Interface
- FSIQ3 - B21 - External Mixer Output
- FSIQ3 - B22 - Increase Level Accuracy, 2 GHz
- FSIQ3 - B70 - DSP and IQ Memory Extension
- FSIQ3 - K10 - GSM Mobile Test Firmware
- FSIQ3 - K11 - GSM BTS Test Fixture
- FSIQ3 - K20 - EDGE Mobile Test Firmware
- FSIQ3 - K21 - EDGE BTS Measurements
- FSIQ3 - K72 - W-CDMA BTS Analyzer
- FSIQ3 - ZZA-95 - Rackmount
| Model | FSIQ3 |
|---|
The Rohde & Schwarz FSIQ3 is a high-performance signal analyzer covering 20 Hz–3.5 GHz, featuring a displayed average noise floor of –150 dBm (10 Hz BW), selectable RBWs from 1 Hz to 10 MHz, and integrated broadband vector signal analysis with symbol rates up to 6.4 Msymbol/s.
It supports time, frequency, and modulation-domain measurements, with constellation, I/Q, magnitude/phase diagrams, numeric error metrics, and demodulated bit‑sequence views.
Testwall can supply the used Rohde & Schwarz FSIQ3, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Rohde & Schwarz FSIQ3.





