A design of numerically controlled oscillators based on Read-Only Memory locate form
schematic is proposed. The working principle of NCO numerical control oscillator is …

This article introduces a configurable analog block with wide functionality which is then used
for designing a new sinusoidal signal generator with three outputs. The circuit uses three …

Direct Digital Frequency Synthesis (DDS) or Numerically Controlled Oscillators (NCO) is an
important functional blocks in digital communication systems. DDS is widely used in the …

With the utilization of all-digital Phase locked loops (ADPLLs) in digital communication
systems, the use of digitally controlled oscillators (DCO) over voltage controlled oscillators …

Programmable Gate Array (FPGA) based sine wave generation technique using the Direct
Digital Synthesis (DDS) principle based on LUT. A Very High Speed Integrated Circuit …

The paper presents a new technique to improve the performance of DDFS (Direct Digital
Frequency Synthesis) on FPGA Nanotechnology. It is a kind of frequency synthesizer that …

With the shift from traditional analog circuit designs to an all-digital intensive approach, the
all-digital Phase-locked loops (ADPLLs) have become more attractive in digital …

This paper presents new sinusoidal oscillator employing operational amplifiers and six
passive components with the advantage of easy tuning of oscillator frequency. Separate …

This paper presents a Chebyshev approximation based method for digital quadrature sine
and cosine waveform synthesis. The spurious performance of the Chebyshev approximation …

In wireless communication system the phase locked loop plays important role, specially
Voltage Controlled Oscillator. It is an electronic device which is used for the purpose of …