Table of Contents
What is Pnoise?
PNOISE: Periodic Noise Analysis. Tdnoise: Time Domain Noise. QPNOISE: Quasi-Periodic Noise (not discuss here) 5. PDISTO: Periodic Distortion Analysis.
What is PXF simulation?
PXF “computes the transfer function from every input. source at every sideband to a single output”1. ▪ Creates mapping between a particular output frequency and the. combination of modulated input frequencies that compose it.
How do you calculate integrated noise?
Most IF filters are multiple-pole, so that the NPB approaches the F–3dB bandwidths. To convert to integrated noise power, simple add 10●log (NPB) to the spot noise power of Equation 7, where the NPB is usually the same as the F–3dB bandwidth.
What is the difference between AC magnitude and amplitude?
Amplitude is used for a periodic signal like clock, thus frequency dependent. AC magnitude is used for frequency independent composites such as device noise or spurious or floor noise.
What is AC magnitude?
One way to express the intensity, or magnitude (also called the amplitude), of an AC quantity is to measure its peak height on a waveform graph. This is known as the peak or crest value of an AC waveform: Figure below. Peak voltage of a waveform. Another way is to measure the total height between opposite peaks.
How do you calculate signal to noise ratio in cadence?
Then we calculate the mean square value of the is noise signal, it is the intended noise power nq^2 avearge= nqp, Finally one gets the S/ N = 10 log ((VFS^2/8)/ nqp), with VFS^2/8)= the signal power.
Is magnitude same as amplitude?
Summary of Magnitude vs. Amplitude. While both the terms are often used interchangeably, they are very different terms. Amplitude of a variable is simply a measure of change relative to its central position, whereas magnitude is a measure of distance or quantity of a variable irrespective of its direction.
What is amplitude used for?
Amplitude is used to describe the peak value of such quantities as the level of sound waves, and power and voltage in electrical and electronic systems.
Is RMS DC or AC?
DC
The RMS value is the effective value of a varying voltage or current. It is the equivalent steady DC (constant) value which gives the same effect. For example, a lamp connected to a 6V RMS AC supply will shine with the same brightness when connected to a steady 6V DC supply.
How does a ring oscillator work?
A ring oscillator is a device composed of an odd number of NOT gates in a ring, whose output oscillates between two voltage levels, representing true and false. The NOT gates, or inverters, are attached in a chain and the output of the last inverter is fed back into the first.
What is SpectreRF?
After its introduction, SpectreRF quickly became the dominant simulator for RF integrated circuits, and was instrumental in establishing Spectre as the most popular circuit simulator for integrated circuits.
What is the difference between Spectre and SpectreRF simulators?
These simulators were based on harmonic balance and could reliably simulate circuits with tens of transistors whereas SpectreRF could simulate circuits with thousands of transistors. SpectreRF added the Periodic Steady State and Periodic small-signal analyses to Spectre.
What does the Spectre RF option do?
The Spectre RF Option supports extensive noise and distortion analysis technologies. It also provides application-centric analysis, such as wireless analysis for system-level performance evaluation using standard-compliant signal sources.
What is the cadence Spectre RF option?
The Cadence ® Spectre ® RF Option provides numerous RF analyses built on silicon-proven simulation engines in both the time and frequency domain simulation.