6 GHz IQ Demodulator

The SC5312A and SC5313A are 300 MHz to 6 GHz direct IQ demodulators, down converting RF directly to analog In-phase and Quadrature IF or IQ baseband. The DC coupled differential IQ pair may be fed to any dual channel digitizer for analog to digital data conversion. The local oscillator (LO) is supplied by an external source (such as the SC5505A and SC5506A respectively) and its replica may be used to drive another direct IQ downconverter for coherent reception. These modules can also be configured together as an RF signal transceiver.

Whether you are building systems for wireless communication testing, software-defined radio, point-to-point radio, multi-channel coherent systems, or other academic/military programs, the SC5312A and SC5313A’s high dynamic range, low power consumption, and compact size provide the quality and flexibility you are looking for in your system architecture.

Full implementation instructions, GUI, driver software, and example code are provided with each module.

PXI Express Module


Core Module


  • Frequency Range 300 MHz to 6 GHz
  • DC to 160 MHz analog baseband
  • Noise floor < -165 dBm/Hz
  • Input IP3 > 20 dBm
  • DC offset calibration
  • Adjustable gain > 60 dB
Part Number Product Description
7100029-01 SC5312A, 6 GHz Direct IQ Demodulator PXI Express
7100030-01 SC5313A, 6 GHz Direct IQ Demodulator with USB and SPI Interfaces
7100030-02 SC5313A, 6 GHz Direct IQ Demodulator with USB and RS232 Interfaces

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