Rohde & Schwarz
Rohde & Schwarz FSW85
Signal and Spectrum Analyser, 2 Hz - 85 GHz
2 Hz to 85 GHz Frequency Range
-150 dBm (typ.) at 1 GHz with preamplifier Displayed Average Noise Level (DANL)
-142 dBc/Hz (typ.) at 1 GHz, 10 kHz offset Phase Noise
1 Hz to 50 MHz Resolution Bandwidth (RBW)
+30 dBm (1 W) Maximum Input Power

| Attribute | Value |
|---|---|
| Frequency Range | 2 Hz to 85 GHz |
| Displayed Average Noise Level (DANL) | -150 dBm (typ.) at 1 GHz with preamplifier |
| Phase Noise | -142 dBc/Hz (typ.) at 1 GHz, 10 kHz offset |
| Resolution Bandwidth (RBW) | 1 Hz to 50 MHz |
| Maximum Input Power | +30 dBm (1 W) |
| Dynamic Range | Up to 78 dB third-order intermodulation-free dynamic range |
| Analysis Bandwidth | Up to 2 GHz (internal), up to 8 GHz (external) |
| Input Impedance | 50 Ohm |
| Spurious-Free Dynamic Range (SFDR) | Up to 95 dB |
| Display | 12.1-inch XGA touchscreen display (1024 x 768 resolution) |
Rohde & Schwarz FSW85 Options:
- FSW85 - B4 - OCXO Precision Frequency Reference
- FSW85 - B8 - Resolution Bandwidth > 10 MHz
- FSW85 - B10 - External Generator Control
- FSW85 - B13 - Highpass Filter for Harmonic Measurements
- FSW85 - B17 - Digital Baseband Interface
- FSW85 - B18 - Spare Solid State Drive (removable hard drive)
- FSW85 - B21 - LO/IF Connections for external mixers
- FSW85 - B24 - RF Preamplifier, 100 kHz to 67 GHz (model .66, no export license required)
- FSW85 - B24 - RF Preamplifier, 100 kHz to 67 GHz (model .67, export license required)
- FSW85 - B28 - 28 MHz Analysis Bandwidth
- FSW85 - B33 - USB Mass Memory Write Protection
- FSW85 - B40 - 40 MHz Analysis Bandwidth
- FSW85 - B71 - Analog Baseband Inputs, 40 MHz Analysis Bandwidth
- FSW85 - B71E - 80 MHz Analysis Bandwidth for Analog Baseband Inputs
- FSW85 - B80 - 80 MHz Analysis Bandwidth
- FSW85 - B90G - Frequency Extension 90 GHz
- FSW85 - B106 - I/Q Memory Extension 6 GB
- FSW85 - B160 - 160 MHz Analysis Bandwidth
- FSW85 - B160R - Real-Time Spectrum Analyzer 160 MHz, POI ≤ 15 µs
- FSW85 - B320 - 320 MHz Analysis Bandwidth
- FSW85 - B512 - 512 MHz Analysis Bandwidth
- FSW85 - B512R - Real-Time Spectrum Analyzer 512 MHz, POI ≤ 15 µs
- FSW85 - B517 - DIG IQ 40G Streaming Out Interface
- FSW85 - B2000 - 2 GHz Analysis Bandwidth
- FSW85 - B2071 - Oscilloscope Baseband Inputs
- FSW85 - B5000 - 5 GHz Analysis Bandwidth
- FSW85 - K6 - Pulse Measurements
- FSW85 - K6S - Time Side Lobe Measurement
- FSW85 - K7 - Analog Modulation Analysis for AM/FM/φM
- FSW85 - K10 - GSM/EDGE/EDGE Evolution/VAMOS Measurements
- FSW85 - K15 - VOR/ILS Measurements
- FSW85 - K17 - Multicarrier Group Delay Measurements
- FSW85 - K18 - Amplifier Measurements
- FSW85 - K18D - Direct DPD Measurements
- FSW85 - K19 - Noise Power Ratio Measurements
- FSW85 - K30 - Noise Figure Measurements
- FSW85 - K33 - Security Write Protection of solid state drive
- FSW85 - K40 - Phase Noise Measurements
- FSW85 - K50 - Spurious Measurements
- FSW85 - K54 - EMI Measurements
- FSW85 - K54CAL - CISPR Calibration for R&S FSW-K54
- FSW85 - K60 - Transient Measurement Application
- FSW85 - K60H - Transient Hop Measurement
- FSW85 - K60C - Transient Chirp Measurement
- FSW85 - K70 - Vector Signal Analysis
- FSW85 - K70M - Multi-Modulation Analysis
- FSW85 - K70P - BER PRBS measurements
- FSW85 - K72 - 3GPP FDD (WCDMA) BS Measurements (incl. HSDPA and HSDPA+)
- FSW85 - K73 - 3GPP FDD (WCDMA) MS Measurements (incl. HSUPA and HSUPA+)
- FSW85 - K76 - TD-SCDMA BS Measurements
- FSW85 - K77 - TD-SCDMA UE Measurements
- FSW85 - K82 - CDMA2000 BS Measurements
- FSW85 - K83 - CDMA2000 MS Measurements
- FSW85 - K84 - 1xEV-DO BS Measurements
- FSW85 - K85 - 1xEV-DO MS Measurements
- FSW85 - K91 - WLAN 802.11a/b/g Measurements
- FSW85 - K91N - WLAN 802.11n Measurements
- FSW85 - K91AC - WLAN 802.11ac Measurements
- FSW85 - K91AX - WLAN 802.11ax Measurements
- FSW85 - K91P - WLAN 802.11p Measurements
- FSW85 - K95 - WLAN 802.11ad Measurements
- FSW85 - K100 - EUTRA/LTE FDD BS Measurements
- FSW85 - K101 - EUTRA/LTE FDD UE Measurements
- FSW85 - K102 - EUTRA/LTE BS MIMO Measurements
- FSW85 - K103 - EUTRA/LTE UL Advanced UL Measurements
- FSW85 - K104 - EUTRA/LTE TDD BS Measurements
- FSW85 - K105 - EUTRA/LTE TDD Uplink Measurements
- FSW85 - K106 - EUTRA/LTE NB-IoT Downlink Measurements
- FSW85 - K118 - VERIZON 5GTF
- FSW85 - K119 - VERIZON 5GTF UL
- FSW85 - K144 - 3GPP 5G-NR DL Measurements
- FSW85 - K160RE - 160 MHz Real-Time Measurement Application, POI > 15 µs
- FSW85 - K192 - DOCSIS 3.1 OFDM Downstream
- FSW85 - K193 - DOCSIS 3.1 OFDMA Upstream
- FSW85 - K201 - OneWeb Reverse Link Measurements
- FSW85 - K544 - User Defined Frequency Correction by SnP File
- FSW85 - U85 - R&S FSW85 improved sensitivity for frequencies > 43.5 GHz in YIG preselector bypass path
- FSW85 - U160 - Analysis Bandwidth Upgrade from 80 MHz to 160 MHz
- FSW85 - U160R - Upgrade Real-Time Spectrum Analyzer, 160 MHz, POI ≤ 15 µs
- FSW85 - U320 - Analysis Bandwidth Upgrade from 160 MHz to 320 MHz
- FSW85 - U512 - Analysis Bandwidth Upgrade from 80 MHz to 512 MHz
- FSW85 - U512R - Upgrade Real-Time Spectrum Analyzer 512 MHz, POI ≤ 15 µs
- FSW85 - U5000 - Upgrade to 5 GHz Signal Analysis Bandwidth
| Model | FSW85 |
|---|
The Rohde & Schwarz FSW85 Signal and Spectrum Analyzer features a wide 5 GHz analysis bandwidth and an ultra-low phase noise of –137 dBc (1 Hz) at 10 kHz offset, ideal for precise signal evaluation.
It supports simultaneous multi-standard measurements, a dynamic range of -88 dBc, and up to 512 MHz real-time analysis with under 0.4 dB measurement uncertainty up to 8 GHz.
Testwall can supply the used Rohde & Schwarz FSW85, 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 FSW85.





