The Rohde & Schwarz FSUP50 is a high-performance Signal Source Analyzer and Spectrum Analyzer operating in the frequency range of 20 Hz to 50 GHz. Combining the capabilities of a top-tier spectrum analyzer with a highly sensitive phase noise tester utilizing the PLL method, the FSUP50 is designed for complete characterization of oscillators and analysis of analog/digital modulated signals.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE 488.2), LAN (10/100 Base-T), USB 2.0, VGA, RS-232, PS/2
Display8.4" color SVGA TFT LCD, 800 × 600 pixels
Display Resolution800 × 600 pixels (SVGA)
Hard Disk TypeRemovable HDD

Physical

ParameterValue
Power Supply100 V to 240 V AC, 50 Hz to 400 Hz
Operating Temperature5 °C to 40 °C
Dimensions (W×H×D)435 mm × 192 mm × 460 mm
Weight17.5 kg

Frequency and Signal Input

ParameterValue
Frequency Range20 Hz to 50 GHz
RF Input Impedance50 Ω
Input VSWR (10 MHz to 3.6 GHz)< 1.5
Input VSWR (3.6 GHz to 8 GHz)< 1.8
Input VSWR (8 GHz to 26.5 GHz)< 2.0
Input VSWR (26.5 GHz to 50 GHz)< 2.5
Maximum Safe Input Level (RF Power)+30 dBm (1 W) with attenuation ≥ 10 dB
Maximum Safe Input Level (DC Voltage)0 V
RF Attenuator Range0 dB to 75 dB
RF Attenuator Step Size5 dB
RF Input Connector Type2.4 mm female

Phase Noise Measurement Performance

ParameterValue
Phase Noise Measurement Frequency Range1 MHz to 50 GHz (extendable to 110 GHz with external mixers)
Phase Noise Offset Frequency Range1 Hz to 30 MHz (10 mHz to 30 MHz with option R&S FSUP-B60 or R&S FSUP-B61)
Phase Noise Sensitivity at 1 GHz (10 Hz Offset)<-120 dBc/Hz (with cross-correlation option, typ. -134 dBc/Hz)
Phase Noise Sensitivity at 1 GHz (1 kHz Offset)<-146 dBc/Hz (with cross-correlation option, typ. -152 dBc/Hz)
Phase Noise Sensitivity at 1 GHz (10 kHz Offset)<-158 dBc/Hz (with cross-correlation option, typ. -160 dBc/Hz)
Phase Noise Sensitivity at 1 GHz (1 MHz Offset)<-165 dBc/Hz (with cross-correlation option)
Phase Noise Sensitivity at 1 GHz (10 MHz Offset)<-170 dBc/Hz (with cross-correlation option)
Cross-Correlation Maximum Number of AveragesUp to 10000
Measurement Accuracy±1.5 dB (typical, offset < 10 MHz)
AM Noise Measurement Range1 Hz to 30 MHz offset
Baseband Noise Measurement Range1 Hz to 30 MHz

VCO Characterization

ParameterValue
Tuning Voltage (Vtune) Range-10 V to +28 V
Tuning Voltage Resolution100 μV
Tuning Voltage Maximum Current20 mA
Supply Voltage (Vsupply) Range0 V to +16 V
Supply Voltage Resolution1 mV
Supply Voltage Maximum Current200 mA
VCO Parameter SweepsFrequency vs. voltage, Tuning slope, Sensitivity, Push/Pull (supply rejection)
Tuning Voltage (Vtune) Noise Density< 10 nV/√Hz (at 10 kHz offset)
Supply Voltage (Vsupply) Noise Density< 100 nV/√Hz (at 10 kHz offset)
Measured VCO ParametersFrequency, Tuning Sensitivity, Output Power, Current, RF Phase Noise

Transient and Allan Variance Analysis

ParameterValue
Transient Frequency Range10 MHz to 50 GHz
Jitter Analysis Integration RangeUser-configurable integration limits

Spectrum Analyzer Mode

ParameterValue
Video Bandwidth (VBW) Range1 Hz to 10 MHz
Displayed Average Noise Level (DANL)<-150 dBm (at 1 GHz, 1 Hz RBW, preamplifier off)

Internal Reference Frequency

ParameterValue
Internal Reference Frequency10 MHz
External Reference Input Frequency1 MHz to 20 MHz (in 1 Hz steps)

Connectivity & Peripheral Interfaces

ParameterValue
Tuning Voltage Output ConnectorBNC female (on front panel)
Supply Voltage Output ConnectorBNC female (on front panel)
External Reference Input ConnectorBNC female (rear panel)
External Reference Output ConnectorBNC female (rear panel)
Baseband Noise Input ConnectorBNC female (front panel)
IF Output PortBNC female, 21.4 MHz (rear panel)
Trigger Input ConnectorBNC female (rear panel)
Trigger Output ConnectorBNC female (rear panel)

Software and Post-Processing

ParameterValue
Supported Measurement ApplicationsPhase Noise, VCO Characterization, Transient Analysis, Spectrum Analysis, Vector Signal Analysis (optional)
VCO Characterization SuiteAutomated measurement of frequency, tuning slope, power, and supply current vs. Vtune
Transient Analysis SoftwareFrequency and phase settling vs. time with extensive trigger modes
Remote Control Command SetSCPI (Standard Commands for Programmable Instruments)

Power Requirements

ParameterValue
Line Voltage Range100 V to 240 V AC (nominal)
Line Frequency50 Hz to 400 Hz

Physical and Environmental Specifications

ParameterValue
Storage Temperature Range-40 °C to +70 °C

Certifications and Compliance

ParameterValue
Safety Standards ComplianceIEC 61010-1, EN 61010-1, CAN/CSA-C22.2 No. 1010.1
Electromagnetic Compatibility (EMC)EN 55011 Class B, EN 61326-1
Recommended Calibration Cycle12 months

Phase Noise Measurement

ParameterValue
Phase Noise Offset Range with Option FSUP-B601 mHz to 30 MHz

System

ParameterValue
Operating SystemWindows XP Embedded
Hard Disk Drive Capacity≥ 40 GB (removable hard disk standard or option FSUP-B18)

Spectrum Analyzer

ParameterValue
Number of Sweep Points101 to 30001
Resolution Bandwidth Filter TypesGaussian (3 dB), EMI (6 dB), Channel, RRC, FFT
Detector TypesMax Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi-Peak
Sweep Time Range (Frequency Domain)2.5 ms to 16000 s
Sweep Time Range (Time Domain)1 µs to 16000 s

Baseband Noise Measurement

ParameterValue
Baseband Input Frequency Range1 Hz to 30 MHz
Baseband Input Impedance50 Ω / 1 MΩ (switchable)
Baseband Input Maximum Input Voltage1 V (RMS) / 10 V (DC)

VCO Tester

ParameterValue
Tuning Voltage Source Impedance< 0.1 Ω
Supply Voltage Source Impedance< 0.1 Ω

Remote Control

ParameterValue
Command Set CompatibilityR&S FSU, R&S FSP, HP 8566B/8568B/8560E/8561E/8562E/8563E/8564E/8565E (emulation)

Frequency

ParameterValue
External Mixer SupportSupported up to 110 GHz (with option FSUP-B21)

Receiver & Spectrum Analyzer

ParameterValue
Internal Preamplifier Option20 dB gain up to 26.5 GHz (with option FSUP-B23)

Measurement Demodulation

ParameterValue
I/Q Demodulation Bandwidth10 MHz (standard), 28 MHz (with option FSUP-B28)

RF Input

ParameterValue
YIG PreselectorBuilt-in (3.6 GHz to 50 GHz), bypassable

Interfaces

ParameterValue
Noise Source Drive Voltage28 V (pulsed, rear BNC)
User Port25-pin D-Sub, for control of external devices
GPIB Interface Connector24-pin Amphenol (IEEE 488)

Environmental

ParameterValue
Maximum Operating Altitude4600 m
Maximum Storage Altitude12000 m

Technology

Phase-Locked Loop (PLL) Phase Noise Measurement & Heterodyne Spectrum Analysis

Applications

Signal Source Analysis, Phase Noise Measurement, and VCO Characterization