Rohde & Schwarz FSQ26 Signal Analyzer
The R&S FSQ26 Signal Analyzer is a state-of-the-art instrument that merges two functionalities into one compact solution. It excels in signal analysis with a demodulation bandwidth of up to 120 MHz while delivering the performance characteristics of a high-end spectrum analyzer.
Key Features:
- Frequency Range: 20 Hz to 26.5 GHz
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Dynamic Range: High-end spectrum analyzer specifications
- Third-Order Intercept Point (TOI): +25 dBm (typical)
- 1 dB Compression Point: +13 dBm (typical)
- ACLR (Adjacent Channel Leakage Ratio): 84 dB (3GPP with noise correction)
- Demodulation Bandwidth: 28 MHz (optional upgrade to 120 MHz)
- Memory: 16 Msamples for I and Q, extendable up to 705 Msamples
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Application Firmware: Supports various digital demodulation measurements including:
- 3GPP WCDMA, HSDPA, TD-SCDMA
- CDMA2000®, 1xEV-DV, 1xEV-DO
- WiMAX 802.16-2004, 802.16e-2005
- General Purpose Vector Signal Analysis
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RF Performance:
- Displayed Average Noise Level (DANL) with preamplifier: < -152 dBm (10 Hz)
- SSB Phase Noise: -133 dBc (1 Hz) at 10 kHz offset, CF 640 MHz (typical)
- Phase Noise: -160 dBc/Hz at 10 MHz offset, CF 640 MHz (typical)
- 1-dB Compression Point: +13 dBm
- 3GPP ACLR: 77 dB, up to 84 dB with noise correction
- ACLR for 4-carrier scenario: 77 dB with noise correction
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Accuracy:
- 0.3 dB Total Level Uncertainty up to 3.6 GHz
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IQ Downconverter:
- IF Digitizer: 14 bit, 81.6 MHz (20.4 MHz IF)
- Optional IF Digitizer: 326.4 MHz (option FSQ-B72)
- IQ Bandwidth (RF): 28 MHz (up to 120 MHz with option FSQ-B72)
- Spurious-Free Dynamic Range (SFDR): > 80 dB
- IQ Memory: 16 Msamples each for I and Q, output via GPIB or LAN
- Sample Rate: Continuously settable from 10 kHz to 81.6 MHz; e.g., 20 MHz for IEEE802.11a
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Speed:
- Frequency Domain Sweep Time: 2.5 ms
- Time Domain Sweep Time: 1 µs
- Remote Measurements: Up to 70 measurements/s via GPIB
- Manual Measurements: Up to 80 measurements/s (screen update)
