The Creonic Wideband Digital Down Converter (DDC) digitally converts the input signal at IF frequency down to baseband by multiplying input samples with sine/cosine waves generated by numerical controlled oscillators (NCO). Down converted samples are then decimated by a factor ranging from 2 to 2048 with multiplying step of 2.

The parallel architecture of the core allows for an input throughput of up to 2.4 Gsps and 600 MHz signal bandwidth, making it a perfect fit for ultra high throughput applications such as wideband DVB-S2X communication.

Applications
  • Wideband satellite communication
  • Wideband wireless backhaul
  • Wideband cable modems
  • Electronic surveillance applications
 
Your Benefits
  • Contains Numerical Controlled Oscillators, IF mixers, decimator, and halfband filters.
  • High input throughput of up to 2.4 Gsps.
  • Supported signal bandwidth of up to 600 MHz.
  • Tunable IF frequency from 10 to 700 MHz with a precision of at least 2 Hz.
  • Spurious-free dynamic range (SFDR) of at least 83 dB, filter’s passband ripple less than 0.05 dB.
  • Configurable decimation rate.
  • Accepts real input signal or complex I/Q upon request.
  • Memory mapped interface for configuring and retrieving status information.
  • Available for ASIC and FPGAs (Xilinx, Intel).
 
Resources
Creonic DVB-S2X Wideband LDPC/BCH Demodulator

Creonic DVB-S2X Wideband LDPC/BCH Decoder

 
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