R&S®FSV-K7 Analog Modulation Analysis (AM/FM/φM)

  • Overview

Key Facts

  • Modulation signal versus time
  • Spectrum of the modulation signal (FFT)
  • RF signal power versus time

Specifications

Model Demodulation bandwidth
R&S®FSV-K7 100 Hz to 28 MHz, 40 MHz optional
Recording time (depends on demodulation bandwidth) 7.5 ms to 3932 s

Key Facts

The R&S®FSV-K7 AM/FM/φM measurement demodulator option converts the R&S®FSV or R&S®FSVA into an analog modulation analyzer for amplitude-, frequency- or phase-modulated signals. It measures not only characteristics of the useful modulation, but also factors such as residual FM and synchronous modulation.

Display and analysis alternatives

  • Modulation signal versus time
  • Spectrum of the modulation signal (FFT)
  • RF signal power versus time
  • Spectrum of the RF signal (FFT versus max. 18 MHz)
  • Table with numeric display of
    • Deviation or modulation factor, RMS weighted, +peak, –peak, ±peak/2
    • Modulation frequency
    • Carrier frequency offset
    • Carrier power
    • Total harmonic distortion (THD) and SINAD

Specifications

Demodulation bandwidth 100 Hz to 28 MHz, 40 MHz optional
Recording time (depends on demodulation bandwidth) 7.5 ms to 3932 s
AF filters  
  Highpass filters 20 Hz, 50 Hz, 300 Hz
  Lowpass filters 3 kHz, 15 kHz, 23 kHz, 150 kHz and 5%, 10% or 25% of demodulation bandwidth
Deemphasis 25/50/75/750 µs
Modulation frequency < 14 MHz, > 20 MHz optional, max. 0.5 x demodulation bandwidth
Measurement uncertainty (deviation or modulation factor) 3%
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