Oscillator DesignGuide

The Oscillator DesignGuide works as a smart library and interactive handbook for the creation of useful designs. It allows you to quickly design oscillators, interactively characterize their components, and receive in-depth insight into their operation. It is easily modifiable to user-defined configurations.

To assist both expert and novice oscillator developers in creating designs of various complexity, each example design is divided into three groups:

• Quick and simple push-button nonlinear oscillator measurements.
  
• Easy-to-use design tools for small- and large-signal designs.
  
• Customized library of components and component characterization tools.
  

Oscillator DesignGuide contains five oscillator circuits (Generic Oscillator, XTO, SAW, VCO, and YTO) containing ready-to-use typical oscillator structures for fixed frequency (XTO, SAW) and tunable (VCO, YTO) oscillators in various frequency ranges.

A component library (Components) provides useful building blocks for oscillator design. Included is a selection of circuits that simulate component behavior (Component Characterization) and support characterization of both 1-port and 2-port circuits. Examples for solving HB Convergence Problems are also included.

Ready-to-Use Common Oscillator Components and Component Characterization

• Biased Active Components
  
• Oscillator Core
  
• Resonant Circuits
  
• Buffer Amplifier
  
• Fixed VSWR Complex Load
  

• Crystal(XTO), SAW, VCO, YIG.
  

• Ring Oscillator Example
  
• TAHB Convergence Technique
  

The following screen capture shows the Kurokawa plots for a large signal S-parameter simulation.

View Full-Sized Image (16 KB)
Oscillator DesignGuide: Kurokawa Plots

Design Utilities

The following design utilities are installed automatically under the DesignGuides menu command in ADS:

• Smith Chart Utility
  
• Transistor Bias Utility
  
• Matching Utility
  

License Dependency Table

Click on the following link to see a table of dependencies that shows which simulator licenses are required for the various test benches in this DesignGuide:

• Oscillator DesignGuide License Dependency Table (PDF file, 9 KB)
  

Technical Articles

• Rick Poore, Agilent EEsof EDA, Phase Noise and Jitter   (PDF, 252 KB),   17-page technical paper, 17 May 2001.
  

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