R&S®SMAB-K721 Scan modulation

  • Overview
Exponential amplitude modulation with the R&S®SMA100B using the internal LF generator for the sinusoidal modulation signal to produce a signal with more than 72 dB (meas.) modulation depth.
Exponential amplitude modulation with the R&S®SMA100B using the internal LF generator for the sinusoidal modulation signal to produce a signal with more than 72 dB (meas.) modulation depth.
Exponential amplitude modulation with the R&S®SMA100B using the internal LF generator for the sinusoidal modulation signal to produce a signal with more than 72 dB (meas.) modulation depth.

Key facts

Maximum Attenuation > 60 dB, 70 dB (typ.)

Brief description

The R&S®SMA100B together with the R&S®SMAB-K721 scan modulation option is the perfect choice for producing amplitude-modulated signals with a modulation depth larger than 70 dB. This allows very accurate simulation of peaks and nulls in complex antenna patterns.

Specifications

R&S®SMAB-K721
Modulation source Internal, external, internal + external
External coupling DC
Setting range for internal depth 0 dB to 100 dB

Key facts

Maximum Attenuation > 60 dB, 70 dB (typ.)

Brief description

The R&S®SMA100B together with the R&S®SMAB-K721 scan modulation option is the perfect choice for producing amplitude-modulated signals with a modulation depth larger than 70 dB. This allows very accurate simulation of peaks and nulls in complex antenna patterns.

Specifications

R&S®SMAB-K721
Modulation source   Internal, external, internal + external
External coupling   DC
Maximum Attenuation   > 60 dB, 70 dB (typ.)
Setting range for internal depth   0 dB to 100 dB
Setting range for external input sensitivity   0 to 100 dB/V
Resolution of setting   0.01 dB
Attenuation error level setting characteristic:
Auto, temperature range from +18 °C to +33 °C
 
  0 dB < m ≤ 10 dB < 0.25 dB
  10 dB < m ≤ 20 dB < 1 dB
  20 dB < m ≤ 40 dB < 2 dB (typ.)
  40 dB < m ≤ 50 dB < 3 dB (typ.)
  50 dB < m ≤ 60 dB < 4 dB (typ.)
Rise/fall time Transition time 10 % to 90 % (log) for RF amplitude step of 60 dB < 10 µs (meas.)
Exponential amplitude modulation with the R&S®SMA100B using the internal LF generator for the sinusoidal modulation signal to produce a signal with more than 72 dB (meas.) modulation depth.
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