The Rohde & Schwarz FSP40 is a high-performance, general-purpose spectrum analyzer covering a frequency range from 20 Hz to 40 GHz. Designed for both development and production environments, the FSP40 offers exceptional level measurement certainty, outstanding RF characteristics, and quick measurement speeds up to 80 measurements per second. With integrated measurement routines for TOI, ACP, and OBW, as well as an electronic attenuator and diverse application firmware options, the FSP40 is a versatile and reliable solution for complex microwave analysis.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE 488.2), LAN (10/100 Base-T), USB, RS-232-C, VGA (external monitor), PS/2, LPT (parallel printer)
Display21 cm (8.4-inch) TFT color LCD, 640 x 480 pixels (VGA)
Command Emulation LanguagesHP 859x, HP 8566
Display TypeColor TFT LCD
Display Size8.4 inches (21 cm) diagonal
Display Resolution640 × 480 pixels (VGA)
Number of Traces3

Physical

ParameterValue
Power Supply100 V to 240 V AC, 50 Hz to 400 Hz, automatic selection
Operating Temperature0 °C to +50 °C (operating), +5 °C to +40 °C (specified accuracy)
Dimensions (W×H×D)435 mm × 192 mm × 460 mm
Weight15.3 kg

Frequency & Amplitude Performance

ParameterValue
Frequency Range9 kHz to 40 GHz
Frequency Resolution0.01 Hz
Displayed Average Noise Level (DANL)-155 dBm (1 Hz, typical at 1 GHz)
Phase Noise (10 kHz offset)-113 dBc/Hz (typical at 500 MHz CF)
Phase Noise (10 MHz offset)-145 dBc/Hz (typical at 500 MHz CF)
Total Level Uncertainty0.5 dB
Attenuator Range0 dB to 75 dB
Attenuator Step Size5 dB
Electronic Attenuator Range0 dB to 30 dB (in 5 dB steps)
Maximum Safe RF Input Level+30 dBm (1 W)
Maximum DC Input Voltage0 V (DC coupled)

Bandwidth & Sweep

ParameterValue
Resolution Bandwidth (RBW) Range1 Hz to 10 MHz
RBW Step Sequence1, 3, 10
FFT Filter Bandwidth Range1 Hz to 30 kHz
Channel Filter Bandwidth Range100 Hz to 5 MHz
Video Bandwidth (VBW) Range1 Hz to 10 MHz
Sweep Time Range (Span > 0 Hz)2.5 ms to 16000 s
Sweep Time Range (Zero Span)1 µs to 16000 s
EMI Bandwidths200 Hz, 9 kHz, 120 kHz, 1 MHz

Measurement Capabilities

ParameterValue
Standard Measurement FunctionsTOI, ACP(R), OBW, CCDF, APD
Measurement SpeedUp to 80 measurements/s via GPIB
DetectorsMax Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi-Peak
Supported Application FirmwareGSM/EDGE, Bluetooth, WCDMA/HSDPA/TD-SCDMA, CDMA2000/1xEV-DV/1xEV-DO, WLAN

Inputs & Outputs

ParameterValue
RF Input Connector2.92 mm (K) male
RF Input Impedance50 Ω
Reference Input Frequency10 MHz
Reference Output Frequency10 MHz
IF Output Frequency21.4 MHz
External Trigger Input LevelTTL (BNC female)
Keyboard/Mouse InterfacePS/2 (front panel)
Reference Input ConnectorBNC female
Reference Output ConnectorBNC female
External Trigger Input ConnectorBNC female
Noise Source Drive Output ConnectorBNC female (28 V)
External Monitor Connector15-pin D-Sub (VGA)
AF Output Connector3.5 mm jack

System Architecture

ParameterValue
Internal Operating SystemWindows XP Embedded
Storage TypeHard Disk Drive (HDD)

Power & Electrical

ParameterValue
Power Consumption (Typical)120 W (without options)
Power Consumption (Maximum)250 W

Physical & Environmental

ParameterValue
Operating Altitude LimitUp to 4600 m
Humidity Range95% at +40 °C (non-condensing)
Warm-up Time20 minutes

Standards & Compliance

ParameterValue
Safety StandardsEN 61010-1, UL 3111-1, CAN/CSA-C22.2 No. 1010.1
EMC StandardsEN 55011 Class B, EN 50082-2
Recommended Calibration Cycle1 Year

Frequency

ParameterValue
Frequency Reference Aging (Standard)1 x 10^-6 per year
Frequency Reference Aging (with Option FSP-B4)1 x 10^-7 per year
Frequency Temperature Stability (Standard)1 x 10^-6 (0 °C to 50 °C)
Frequency Temperature Stability (with Option FSP-B4)1 x 10^-8 (0 °C to 50 °C)
Frequency Span Range0 Hz, 10 Hz to 40 GHz
Span Uncertainty< 1%

Performance

ParameterValue
Sweep Points125 to 8001
1 dB Compression Point+10 dBm (nominal, at 0 dB RF attenuation)
Third-Order Intercept (TOI)> 16 dBm (typ. 20 dBm, f < 3 GHz)
Amplitude Measurement RangeDANL to +30 dBm
Audio DemodulationAM and FM (via internal speaker or headphone jack)
RF Input VSWR< 1.5 (9 kHz to 3.6 GHz), < 2.0 (3.6 GHz to 20 GHz), < 2.5 (20 GHz to 40 GHz) with ≥ 10 dB RF attenuation

Interfaces

ParameterValue
Keyboard ConnectorPS/2
Mouse ConnectorPS/2
GPIB Interface StandardIEEE 488.2
Parallel Interface Connector25-pin D-sub (LPT)
Serial Interface Connector9-pin D-sub (RS-232-C)

Environmental

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

Power

ParameterValue
AC Power Frequency Range50 Hz to 400 Hz
DC Power Option Input Voltage12 V to 28 V DC (via Option FSP-B30)

Technology

Spectrum Analysis

Applications

RF and Microwave Testing, Wireless Communication Development, Production Testing

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