R&S®FSU Spectrum Analyzer

High-end spectrum analysis

This is a discontinued product

Please note the following successor product(s):

R&S®FSW Signal and Spectrum Analyzer

Overview
Models
Options

Key Facts

3.6/8/26/43/46/50/67 GHz
TOI > 20 dBm, typ. +25 dBm
1 dB compression: +13 dBm (0 dB RF attenuation)

Brief Description

The R&S^®FSU is a high-performance spectrum analyzer with outstanding performance in phase noise, dynamic range and measurement accuracy that meets any challenge in RF analysis – in aerospace and defense or for general microwave applications up to 67 GHz.

Features & Benefits

Shorter development cycles through versatile functions, wide dynamic range and performance
Innovative solutions through customized options
Spectrum analysis up to 67 GHz/110 GHz

Specifications

Models	Frequency range
R&S^®FSU3 / R&S^®FSU8 / R&S^®FSU26	20 Hz to 3.6 GHz / 8 GHz / 26.5 GHz
R&S^®FSU43 / R&S^®FSU46	20 Hz to 43 GHz / 46 GHz
R&S^®FSU50 / R&S^®FSU67	20 Hz to 50 GHz / 67 GHz

Supported Technologies

WCDMA/HSPA/HSPA+
GSM/EGPRS//EDGE Evolution/VAMOS
CDMA2000^® 1xEV-DO
CDMA2000® 1xRTT

Key Facts

3.6/8/26/43/46/50/67 GHz
TOI > 20 dBm, typ. +25 dBm
1 dB compression: +13 dBm (0 dB RF attenuation)
Displayed average noise level: –152 dBm at 2 GHz; –148 dBm at 26 GHz (1 Hz bandwidth)
Typ. 77 dB ACLR for 3GPP, typ. 84 dB with noise correction
Phase noise: typ. –160 dBc (1 Hz) at 10 MHz carrier offset
Noise correction

Brief Description

To handle the wide variety of measurement tasks in product development, an instrument must offer ample functionality and excellent performance in all areas of interest. The R&S^®FSU fully meets these requirements.

Its wide dynamic range makes the R&S^®FSU an ideal tool for base station development and testing. That plus the excellent characteristics already incorporated in the standard model, e.g.

Features & Benefits

Shorter development cycles through versatile functions, wide dynamic range and performance
- Full choice of detectors
- Versatile resolution filters
- Full range of analysis functions
- High dynamic range
Innovative solutions through customized options
- Measuring frequency deviation after settling
- Power measurement
- Scalar network analysis with wide dynamic range
Spectrum analysis up to 67 GHz/110 GHz
- Direct frequency range up to 67 GHz
- Easy expansion of the frequency range to 110 GHz with external mixers from Rohde & Schwarz
- Support of external mixers up to 1 THz
High throughput in production
- Short test cycles, high throughput
  - Fast time domain power measurement
  - List mode: combined measurement of various parameters with a single command
  - Up to 70 measurements/s in zero span via IEC/IEEE bus, including trace data transfer
  - Fast frequency counter: 0.1 Hz resolution for a measurement time of
- 859x/8566-compatible IEC/IEEE bus command set
- High measurement speed

Specifications

	R&S^®FSU3	R&S^®FSU8	R&S^®FSU26	R&S^®FSU43
Frequency range	20 Hz to 3.6 GHz	20 Hz to 8 GHz	20 Hz to 26.5 GHz	20 Hz to 43 GHz
Reference frequency	aging: 1 x 10 ^–7/year, with R&S^®FSU-B4 option: 3 x 10 ^–8/year
Spectral purity
Phase noise	typ. –133 dBc (1 Hz) at 640 MHz in 10 kHz from carrier
Sweep time
Span ≥10 Hz	2.5 ms to 16 000 s
Span 0 Hz (zero span)	1 μs to 16 000 s
Resolution bandwidth	10 Hz to 50 MHz (R&S^®FSU43: 10 Hz to 10 MHz), FFT filter: 1 Hz to 30 kHz, channel filter, EMI bandwidth
Video bandwidth	1 Hz to 10 MHz
Display range	displayed average noise level to +30 dBm
Displayed average noise level (1 Hz RBW)
1 GHz	typ. –158 dBm	typ. –158 dBm	typ. –156 dBm	typ. –156 dBm
7 GHz	−	typ. –154 dBm	typ. –156 dBm	typ. –153 dBm
13 GHz	−	−	typ. –153 dBm	typ. –153 dBm
26 GHz	−	−	−	typ. –148 dBm
40 GHz	−	−	−	typ. –143 dBm
Displayed averagenoise level with preamplifier ON (R&S^®FSU-B25), 1 GHz, 1 Hz RBW	< –162 dBm	< –162 dBm	< –162 dBm	< –162 dBm
Displayed averagenoise level with preamplifier ON (R&S^®FSU-B24), 26 GHz, 10 Hz RBW	−	−	typ. –166 dBm	typ. –166 dBm
Trace detectors	Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi Peak, CISPR-AV, CISPR-RMS
Total measurement error, f < 3.6 GHz	0.3 dB
Display linearity	0.1 dB (0 dB to –70 dB)

	R&S^®FSU46	R&S^®FSU50	R&S^®FSU67
Frequency range	20 Hz to 46 GHz	20 Hz to 50 GHz	20 Hz to 67 GHz
Reference frequency	aging: 1 x 10 ^–7/year, with R&S^®FSU-B4 option: 3 x 10 ^–8/year
Spectral purity
Phase noise	typ. –133 dBc (1 Hz) at 640 MHz in 10 kHz from carrier
Sweep time
Span ≥ 10 Hz	2.5 ms to 16 000 s
Span 0 Hz (zero span)	1 μs to 16 000 s
Resolution bandwidth	10 Hz to 50 MHz (R&S^®FSU43: 10 Hz to 10 MHz), FFT filter: 1 Hz to 30 kHz, channel filter, EMI bandwidth
Video bandwidth	1 Hz to 10 MHz
Display range	displayed average noise level to +30 dBm
Displayed average noise level (1 Hz RBW)
1 GHz	typ. –156 dBm	typ. –156 dBm	typ. –152 dBm
7 GHz	typ. –153 dBm	typ. –153 dBm	typ. –148 dBm
13 GHz	typ. –153 dBm	typ. –153 dBm	typ. –148 dBm
26 GHz	typ. –148 dBm	typ. –148 dBm	typ. –142 dBm
40 GHz	typ. –143 dBm	typ. –136 dBm	typ. –142 dBm
50 GHz	–	typ. –131 dBm	typ. –140 dBm
60 GHz	–	–	typ. –132 dBm
Displayed averagenoise level with preamplifier ON (R&S^®FSU-B25), 1 GHz, 1 Hz RBW	< –162 dBm	< –162 dBm	−
Displayed averagenoise level with preamplifier ON (R&S^®FSU-B24), 26 GHz, 10 Hz RBW	typ. –166 dBm	typ. –166 dBm	−
Trace detectors	Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi Peak, CISPR-AV, CISPR-RMS
Total measurement error, f < 3.6 GHz	0.3 dB
Display linearity	0.1 dB (0 dB to –70 dB)

Supported Technologies

WCDMA/HSPA/HSPA+
GSM/EGPRS//EDGE Evolution/VAMOS
CDMA2000^® 1xEV-DO
CDMA2000^® 1xRTT
TD-SCDMA
GSM-R
TETRA
cdmaOne
DECT
Bluetooth^® (Basic Rate)
ZigBee™ IEEE 802.15.4
AM
FM

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