R&S®AFQ100B I/Q modulation generator

High performance baseband signals

R&S®AFQ100B I/Q modulation generator
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R&S®AFQ100B I/Q modulation generator
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R&S®AFQ100B I/Q modulation generator
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R&S®AFQ100B I/Q modulation generator
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R&S®AFQ100B I/Q modulation generator
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R&S®AFQ100B UWB signal and I/Q modulation generator, Front viewR&S®AFQ100B UWB signal and I/Q modulation generator, Front HighR&S®AFQ100B UWB signal and I/Q modulation generator, Side viewR&S®AFQ100B UWB signal and I/Q modulation generator, Back viewR&S®AFQ100B UWB signal and I/Q modulation generator, Application Image

Key facts

  • Bandwidth (RF) of 528 MHz and a memory depth of up to 1 Gsample
  • Excellent spurious-free dynamic range (SFDR) of typ. 78 dBc
  • Frequency response of typ. ± 0.5 dB across 100 MHz I/Q bandwidth 
  • Analog I/Q outputs (balanced and unbalanced)
  • Numerous trigger and marker capabilities 
  • 3 year warranty extension

High-performance baseband signals

The R&S®AFQ100B signal and I/Q modulation baseband generator with a bandwidth of 528 MHz (RF) is a good choice for applications that require high bandwidth. Applications include support of broadband digital communications systems such as UWB (ultra-wideband signals) or aerospace & defence (A&D) radar applications where signals can have extremely short pulses and short rise and fall times might be needed.

Features & benefits

Outstanding signal quality

  • Excellent spurious-free dynamic range (SFDR) of typ. 78 dBc
  • Frequency response of typ. ± 0.5 dB across 100 MHz I/Q bandwidth
  • Very pure sine-wave source
  • Frequency response compensation

Equalization in the AFQ100B
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Equalization in the AFQ100B

Inverse filters compensate for the effects of cables and the DUT with equalization, achieving a very linear frequency response at the DUT output.

Broad scope of applications

  • Analog I/Q outputs (balanced and unbalanced) and optional digital outputs
  • Multisegment waveform to reduce switching time 
  • between different test signals and improve test throughput
  • Numerous trigger and marker capabilities, e.g. for synchronization with a DUT
  • Optional BER measurements for characterizing receiver

Balanced and unbalanced analog I/Q outputs
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Balanced and unbalanced analog I/Q outputs

The AFQ100B comes standard with balanced output signals.

Easy operation

The R&S®AFQ100B is easy to operate and control. To access the modern graphical user interface (GUI), the instrument has a video output for an external display. To control the instruments, simply connect a USB keyboard and/or mouse. The instruments can be remote controlled via GPIB, USB and LAN. The generator comes with an internal 160 Gbyte hard disk. 

Rear view of  AFQ100B
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Rear view of AFQ100B

Available options


Order number 1401.5206.02


Waveform Memory 1 Gsample


Order number 1411.0007.02


Waveform Memory 512 Msample


Order number 1401.5306.02


Digital I/Q Output 

Baseband enhancements

Order number 1401.5006.02


Bit Error Ratio Tester 

Multi carrier CW and noise

Order number 1401.6802.02


Multicarrier CW Signal Generation (WinIQSIM2™)


Order number 1401.6854.02


Additive White Gaussian Noise


Order number 1401.5906.02




Order number 1415.0253.02


LTE Release 9 + Enhanced Features


Order number 1415.0276.02


LTE Release 10 / LTE-Advanced


Order number 1410.8604.02


LTE Release 11 and Enhance Features


Order number 1424.1171.02


LTE Release 12


Order number 1424.1236.02


LTE Release 13/14


Order number 1401.6354.02




Order number 1401.5658.02




Order number 1401.6302.02




Order number 1401.6102.02


EDGE Evolution (WinIQSIM2™)


Order number 1401.6554.02


CDMA2000® incl. 1xEV-DV


Order number 1401.5958.02


1xEV-DO Rev. A


Order number 1401.6702.02




Order number 1401.6754.02


TD-SCDMA enhanced (WinIQSIM2™)

Wireless connectivity

Order number 1401.5806.02


IEEE 802.11a/b/g/n/j/p (WinIQSIM2™)


Order number 1415.0299.03


IEEE 802.11ac (WinIQSIM2™)


Order number 1424.1259.02


IEEE 802.11ax (WinIQSIM2™)


Order number 1415.0376.02




Order number 1401.6454.02


GPS, 1 Satellite (WinIQSIM2™)


Order number 1415.0330.02


GALILEO, 1 Satellite (WinIQSIM2™)


Order number 1415.0318.02


GLONASS, 1 Satellite (WinIQSIM2™)


Order number 1410.8556.02


Beidou 1 Satellite (WinIQSIM2™)

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