CDC7005 and CDCM7005 PLL Loop Bandwidth Calculator Status: ACTIVE

Product Information

Description

This tool helps to determine the right divider values (M, N & P) and to choose the filter type and components. This calculator will help to find out the appropriate loop bandwidth, phase margin, jitter peaking, etc. just varying the loop parameters like PFD frequency, filter components, Charge pump current, and VCO gain (Hz/V). This is a software package that lets the Engineers enter a piecewise-linear noise model for the VCO (VCXO) and the reference clock source to predict the PLL output phase noise and hence calculate the phase jitter.

Features

The lab view based tool can:

• Determine the PFD frequency automatically
• Calculate loop bandwidth, Phase margin and Jitter peaking
• Predict the PLL output Phase noise
• Calculate Phase Jitter (rms)

Support Software

• CDC7005: Loop Bandwidth Calculator (Labview version) (Rev. A) (zip 31587 KB) 1294 views
  02 Feb 2006 

• CDC7005: Loop Bandwidth Calculator (Microsoft Excel version) (zip 213 KB) 1716 views
  23 May 2003 

Compatibility Issues

There are two versions of the tool available, depending on the program used:

• For Labview version, download zip file SCAC059 (revision letter may be present depending on last update)
• For Excel version, download zip file SCAC036 (revision letter may be present depending on last update)

Downloads can be accessed through the "Support Software" section of this folder.