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R&S®SMB100A Microwave Signal Generator

Versatile, compact, up to 40 GHz; 170 GHz with upconverter

Key facts

  • Wide frequency range from 100 kHz to 40 GHz
  • Excellent signal characteristics with low SSB phase noise of typ. –128 dBc (at 1 GHz, 20 kHz offset)

Brief description

The compact, versatile R&S®SMB100A microwave signal generator with a frequency range up to 40 GHz provides outstanding spectral purity and high output power. In addition, it features easy operation, comprehensive functionality and low cost of ownership.

Specifications

R&S®SMB100A
Frequency range 100 kHz to 12.75/20/31.8/40 GHz

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Key facts

  • Wide frequency range from 100 kHz to 40 GHz
  • Excellent signal characteristics with low SSB phase noise of typ. –128 dBc (at 1 GHz, 20 kHz offset)
  • High output power of up to +27 dBm (meas.)
  • All important analog modulations with AM, FM/φM and pulse modulation supported
  • Compact size with only two height units and low weight

Brief description

The compact, versatile R&S®SMB100A microwave signal generator with a frequency range up to 40 GHz provides outstanding spectral purity and high output power. In addition, it features easy operation, comprehensive functionality and low cost of ownership.

For even higher frequencies, the frequency range of the R&S®SMB100A can be easily extended with the R&S®SMZ frequency multiplier. The R&S®SMB100A plus R&S®SMZ solution combines easy handling with precise, adjustable output levels in the frequency range from 50 GHz to 110 GHz (adjustable output levels are not possible with R&S®SMZ170).

Specifications

Frequency
Frequency range R&S®SMB-B112/R&S®SMB-B112L 100 kHz to 12.75 GHz
  R&S®SMB-B120/R&S®SMB-B120L 100 kHz to 20 GHz
  R&S®SMB-B131 100 kHz to 31.8 GHz
  R&S®SMB-B140/R&S®SMB-B140L/R&S®SMB-B140N 100 kHz to 40 GHz
Setting time SCPI mode < 3 ms
  List mode < 1 ms
Level
Maximum output power R&S®SMB-B112/-B112L,
1 MHz < f ≤ 12.75 GHz		 +18 dBm
  R&S®SMB-B120 with R&S®SMB-B31,
50 MHz < f ≤ 20 GHz		 +16 dBm
  R&S®SMB-B120L with R&S®SMB-B31,
100 MHz < f ≤ 20 GHz		 +19 dBm
  R&S®SMB-B131/-B140/-B140N with R&S®SMB-B32,
50 MHz < f ≤ 40 GHz		 +19 dBm
  R&S®SMB-B140L with R&S®SMB-B32,
50 MHz < f ≤ 40 GHz		 +16 dBm
Minimum specified output power R&S®SMB-B112/-B131/-B140/-B140N -120 dBm
  R&S®SMB-B112L -5 dBm
  R&S®SMB-B120L/-B140L 0 dBm
Setting time
(without switching of the mechanical attenuator)		 SCPI mode < 2.5 ms
  List mode < 1 ms
Spectral purity
SSB phase noise f = 1 GHz, carrier offset = 20 kHz,
1 Hz measurement bandwidth		 < –122 dBc,
typ. –128 dBc
  f = 10 GHz, carrier offset = 20 kHz,
1 Hz measurement bandwidth		 < –102 dBc,
typ. –108 dBc
Harmonics
R&S®SMB-B112/-B112L 1 MHz < f ≤ 6 GHz; level ≤ 13 dBm 1)
f > 6 GHz; level ≤ 10 dBm 1)		 < –30 dBc
R&S®SMB-B120/-B120L/-B131/-B140/ -B140N/-B140L standard; level ≤ 8 dBm 1)  
  f > 1 MHz < –30 dBc
  with R&S®SMB-B25/-B26 low harmonic option, low harmonic filter on, level ≤ 10 dBm 1)
  1 MHz < f ≤ 150 MHz < –30 dBc
  150 MHz < f ≤ 3 GHz < –58 dBc
  3 GHz < f ≤ 20 GHz < –50 dBc
  f > 20 GHz < –60 dBc (meas.)
Supported modulation modes
AM   standard
   AM depth   0 % to 100 %
FM/φM   standard
   Maximum FM deviation f = 10 GHz 32  MHz
   Maximum φM deviation f = 10 GHz 320 rad
Pulse R&S®SMB-K21/-K22 pulse modulator  
   Rise/fall time   < 20 ns, typ. < 5 ns
   ON/Off ratio   > 80 dB
   Minimum pulse width of
   pulse generator output		   10 ns
Connectivity
Remote control   GPIB IEEE-488.2
Ethernet (TCP/IP),
USB
Peripherals   USB

1) Or maximum specified output power, whichever is lower.

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