R&S FSMR Measuring Receiver

Descripción

R&S FSMR Measuring Receiver

 

Brief Description

The R&S®FSMR measuring receiver has been specially designed to handle the measurement tasks involved in the calibration of signal generators and fixed or adjustable attenuators.

 

Key Facts

  • Frequency range from 20 Hz to 3/26.5/43/50 GHz
  • Highly accurate level calibrator with wide measurement range from +30 dBm to –140 dBm
  • Highly accurate level calibrator
  • Modulation analyzer
  • Audio analyzer with THD and SINAD measurement functionality
  • Power meter for connection of R&S®NRP-Zxx power sensors
  • High-performance spectrum analyzer

 

Features & Benefits

·         Level calibration – precise, repeatable and easy

  • Excellent linearity and level stability
  • High tolerance with respect to frequency drift and residual FM
  • Easy operation for level calibration over a wide level range

·         Direct connection of power sensors for accurate power measurements

  • Power sensor module with integrated power splitter
  • Control of all functions incl. power meter from front panel or via IEC/IEEE bus or LAN
  • Many supported power meters
  • Automatic VSWR correction

·         Modulation and audio analysis made easy

  • Measurement of modulation depth, frequency deviation and phase deviation with < 1 % measurement uncertainty
  • Audio analysis with automatic measurement of modulation frequency, THD and SINAD
  • Display of audio signals and demodulated signals in frequency and time domain
  • Audio input for calibration of modulation generators

·         Versatile, high-performance spectrum analysis

  • Full-featured spectrum analyzer
  • Full choice of detectors
  • Versatile resolution filter characteristics and large bandwidth
  • Full range of analysis functions

 

Specifications

 

R&S®FSMR3

R&S®FSMR26

R&S®FSMR43

R&S®FSMR50

Frequency range

20 Hz to 3.6 GHz

20 Hz to 26.5 GHz

20 Hz to 43 GHz

20 Hz to 50 GHz

Reference frequency

aging: 1 × 10–7/year, optionally 2 × 10 –8/year

Absolute power measurement

using R&S®NRP-Zxx power sensor or external power meters

Uncertainty

with R&S®NRP-Z27/-Z37: 0.083 dB (up to 4.2 GHz, +15 °C to +35 °C)

Relative level measurement

Measurement range

+30 dBm to –140 dBm, depending on frequency

Linearity (+20 dBm to –140 dBm)

±0.01 dB ± 0.005 dB per 10 dB step

AM modulation measurements

Modulation depth

0 % to 100 %

Measurement uncertainty

1 % of reading, 50 Hz to 50 kHz;
0.4 % of reading, 90 Hz to 150 Hz, in range from 5 % to 99 %

Modulation frequency

10 Hz to 100 kHz

Inherent distortion

0.3 %

FM modulation measurements

Frequency deviation

max. 500 kHz

Measurement uncertainty

1 % of reading, 50 Hz to 100 kHz

Modulation frequency

10 Hz to 200 kHz

Inherent distortion

0.1 %

φM modulation measurements

Phase deviation

max. 10 000 rad

Measurement uncertainty

1 % of reading, 50 Hz to 100 kHz

Modulation frequency

10 Hz to 100 kHz

Inherent distortion

0.1 %

Audio measurements

Frequency range

DC, 20 Hz to 1 MHz

Level ranges

0.4 V, 4 V

Measurement uncertainty

1 % of reading, 20 Hz to 100 kHz

Spectrum analyzer

Frequency range

20 Hz to 3.6 GHz

20 Hz to 26.5 GHz

20 Hz to 43 GHz

20 Hz to 50 GHz

Resolution bandwidths

10 Hz to 50 MHz; FFT filters: 1 Hz to 30 kHz; channel filters; EMI bandwidths

Video bandwidths

1 Hz to 10 MHz

Displayed average noise level (RBW 1 Hz)

1 GHz

typ. –158 dBm

typ. –156 dBm

typ. –156 dBm

typ. –156 dBm

26 GHz

-

typ. –151 dBm

typ. –151 dBm

typ. –151 dBm

43 GHz

-

-

typ. –140 dBm

typ. –140 dBm

50 GHz

-

-

-

typ. –133 dBm

Trace detectors

Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi Peak

Phase noise

typ. –133 dBc (1 Hz) at 10 kHz from carrier, 640 MHz carrier frequency

Sweep time

Span > 10 Hz

2.5 ms to 16 000 s

Span 0 Hz (zero span)

1 μs to 16 000 s

 

Image frequency rejection

f < 3.6 GHz

typ. 110 dB

f > 3.6 GHz

-

0 dB

f > 3.6 GHz, 
with R&S®FSMR-B2 option

-

typ. 100 dB