NCO Intel® FPGA IP Core

A numerically controlled oscillator (NCO) is a digital signal generator, which synthesizes a discrete-time, discrete-valued representation of a sinusoidal waveform. You can typically use NCOs in communication systems. In such systems, they are used as quadrature carrier generators in I-Q mixers, in which baseband data is modulated onto the orthogonal carriers in one of a variety of ways.

Read the NCO IP Core User Guide ›

NCO Intel® FPGA IP Core

Features

  • 32-bit precision for angle and magnitude
  • Source interface compatible with the Avalon® interface specification
  • Multiple NCO architectures:
  • Multiplier-based implementation using digital signal processing (DSP) blocks or logic elements (LEs), single cycle and multi-cycle
  • Parallel or serial CORDIC-based implementation
  • ROM-based implementation using embedded array blocks (EABs), embedded system blocks (ESBs), or external ROM
  • Single or dual outputs (sine/cosine)
  • Variable width frequency modulation input
  • Variable width phase modulation input
  • User-defined frequency resolution, angular precision, and magnitude precision
  • Frequency hopping
  • Multichannel capability
  • Simulation files and architecture-specific testbenches for VHDL and Verilog HDL
  • Dual-output oscillator and quaternary frequency shift keying (QFSK) modulator example designs

Related Links

Documentation

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