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Agilent Technologies

SPECTRASYS Examples

Path: Examples\SPECTRASYS\

Sub Folder Workspace Location Description Usage
ADS Templates\ Basic template ADS.wsx Provides a basic cascaded lineup between the source and output port. System Analysis
  Feed Forward Amplifier ADS.wsx Dual loop feed forward amplifier System Analysis
Tuning Variables
  Image Rejection Mixer ADS.wsx Illustrates the concepts of an image reject mixer with three applied signals. System Analysis
  Receiver ADS.wsx Provides a basic receiver cascaded lineup between the source and output port. System Analysis
  RX Blocking ADS.wsx Performs a receiver blocking simulation to determine the required receiver phase noise to meet a given carrier-to-noise ratio. Equations
System Analysis
Tuning Variables
  Tx Rx Chain ADS.wsx An entire transmit and receive chain that includes the path loss between the transmitter and receiver. System Analysis
Tuning Variables
  X Band Up Converter ADS.wsx Illustrates an X band up converter showing the LO impurity appearing at the up converter output. System Analysis
AGC\ Open Loop AGC.wsx Setup of an open loop Automatic Gain Control (AGC) loop based on input power and an IF attenuation table. Equations
LiveReport
MultiSource
Sweep
System Analysis
Amplifiers\ 10th Order Amp w 4 Tone Input.wsx Shows the capability of higher order amplifiers. This amplifier is represented by a 10th order polynomial and driven by 4 input signals Equations
System Analysis
Tuning Variables
  Amplifier Compression.wsx How to perform a simple RF power sweep to determine the 1 dB compression point of a RF amplifier. Equations
Sweep
System Analysis
Tuning Variable
  Dual Hybrid Matrix Amp.wsx Demonstrates the use of a dual hybrid matrix amplifier. Equations
System Analysis
Tuning Variables
  Feed Forward Amplifier.wsx Dual loop feed forward amplifier. For additional documentation see Feed Forward Amplifier. System Analysis
Tuning Variables
  Freq Dependent Params.wsx Demonstrates how to create and use parameters dependent on another variable like frequency. System Analysis
Equations
  Harmonic Suppressed Amp.wsx Illustrates a parallel amplifier configuration that cancels both 2nd and 3rd order intermod and harmonic products. Equations
System Analysis
  Hybrid Linear Nonlinear Amp.wsx Illustration of the hybrid S-parameter nonlinear amplifier model. Linear Analysis
System Analysis
  Manual S Parameters.wsx Shows how to create an S-parameter file with noise data to be used in the simulator. Linear Analysis
S-Parameter
System Analysis
  Quad Hybrid Matrix Amp.wsx Demonstrates the use of a quad hybrid matrix amplifier. For additional documentation see Quad Hybrid Matrix Amp. Equations
System Analysis
Tuning Variables
  Simple Variable Gain Amp.wsx Illustration of how to create the control voltage gain and noise figure curves for a variable gain amplifier. Equations
System Analysis
Sweep
Tuning Variable
Analog Digital\ Simple System w ADC.wsx A simple system followed by an impedance matched analog-to-digital converter. System Analysis
Tuning Variable
AppCAD\ AppCAD 1.9Ghz CDMA Handset Receiver.wsx Illustration of how a dumbed down SPECTRASYS simulation will give the same answers as the AppCAD NoiseCalc example '1.9 GHz Handset Receiver'. System Analysis
Coherency\ Reference Clock.wsx Shows how coherency and the source reference clock works in SPECTRASYS Coherency
MultiSource
System Analysis
Equations\ Spectrum Mask.wsx Creates limit lines from an array of numbers used for a spectrum mask. Equations
System Analysis
  User Defined Warnings.wsx Uses equations to create a user defined warning and error messages. Equations
System Analysis
Tuning Variable
Freq Mult Div\ Multiplier Divider SSB Decomposition.wsx Shows how an unwanted single sideband signal at the input of a digital divider (or frequency multiplier or divider) is decomposed into its AM and PM components MultiSource
System Analysis
Tuning Variables
Group Delay\ Group Delay Verification.wsx Shows how group delay measurements in the linear analysis engine are the same as SPECTRASYS. Equations
Linear Analysis
System Analysis
  RXSystem Group Delay.wsx Shows how to get SPECTRASYS group delay measurements. Equations
Linear Analysis
System Analysis
IC Design\ Simple Receiver IC.wsx Shows voltage based measurements and models used in IC design. System Analysis
Intermods\ Basic IP2 and IP3 Measurements.wsx How to perform an IP2 and IP3 measurement on the same circuit at the same time. System Analysis
  Intermod Basics.wsx How to perform both in-band and out-of-band intermod analysis. System Analysis
Log Detector\ Simple Log Detector.wsx How to set up a sweep and examine the performance of a log detector. Equations
Sweep
System Analysis
Mixers\ Basic Mixer Compression.wsx How to perform a simple RF power sweep to determine the 1 dB compression point of basic mixer. Equations
Sweep
System Analysis
Tuning Variable
  Image Rejection Mixer.wsx Illustrates the concepts of an image reject mixer with three applied signals. System Analysis
  Simple Table Mixer.wsx Demonstrates table mixer configuration and operation. System Analysis
Tuning Variables
Monte Carlo\ TX Power Variation.wsx Uses a Monte Carlo analysis to determine transmitter power output variation Monte Carlo Analysis
MultiSource
System Analysis
Tuning Variables
Noise\ Fiter Amp Noise Figure.wsx Illustrates how the source impedance of the filter affects the cascaded noise figure of the filter and LNA pair. Linear Analysis
System Analysis
Tuning Variables
  Image Noise.wsx Illustrates how to determine the effect of the image noise on receiver sensitivity. Equations
System Analysis
Tuning Variables
  NPR measurement.wsx How to perform a noise power ratio (NPR) measurement. System Analysis
  True Cascaded Noise Figure.wsx Illustration of how traditional cascaded noise figures will give incorrect answer unless all paths are considered. System Analysis
  TX Noise in RX Band.wsx Demonstrates the use of a duplexer for a common antenna used by transmit and receive channels. Examines the parameters and performance. For additional documentation see TX Noise in RX Band. Linear Analysis
System Analysis
Optimization\ Base Station RX Front End.wsx Determines the budgeting tradeoffs between a base station receiver front end and its individual receivers. Equations
Optimization
System Analysis
Tuning Variables
Yield Analysis
  Intermod w Optimization.wsx Shows how to perform an optimization along a path in SPECTRASYS. Equations
Optimization
System Analysis
Tuning Variables
Paths\ Forced Path Frequency.wsx Learn how to create a path that changes frequency at a user specified node name. System Analysis
  Switched Filter Bank.wsx Illustrates that both the path frequency and path definition track through the state of a switch Equations
LiveReport
MultiSource
System Analysis
Phase\ Spectrum Phase.wsx Displays the phase of individual spectral components of an internal node. System Analysis
Tuning Variables
Phase Noise\ RX Blocking.wsx Performs a receiver blocking simulation to determine the required receiver phase noise to meet a given carrier-to-noise ratio. Equations
LiveReport
System Analysis
Tuning Variables
Receivers\ Input P1dB vs Freq.wsx Shows the system input 1 dB compression point versus swept frequency of a system. Sweep
System Analysis
Tuning Variable
  RX SFDR.wsx Shows verification of the Spurious Free Dynamic Range (SFDR) measurement used by SPECTRASYS with a manual calculation of the same. System Analysis
Tuning Variable
  System Input P1dB.wsx Shows  the system input 1 dB Compression point of a system. System Analysis
Tuning Variables
Statistics\ RX Statistics.wsx Shows histograms of a Monte Carlo analysis on a simple receiver for cascaded gain, noise figure, and input intercept points. Monte Carlo Analysis System Analysis
Sub Circuits\ Simple Transceiver.wsx A simple transceiver. System Analysis
User Models
User Symbols
  Subcircuit Basics.wsx Illustrates how multiple levels of subcircuits work in Genesys and SPECTRASYS System Analysis
Sweeps\ Noise Figure vs Freq.wsx How to sweep the RF input frequency and look at the performance changes of a the cascaded noise figure. Equations
Sweep
System Analysis
Tuning Variable
  RX Spur Sweep.wsx Shows a sweep of the RF input frequency while tuning the LO to keep the IF output frequency constant. Equations
Sweep
System Analysis
Tuning Variable
Transmitters\ Diversity TX and Hybrid Amp.wsx A diversity transmitter with a hybrid amplifier. For additional documentation see Diversity TX and Hybrid Amp. Equations
System Analysis
Tuning Variables
  X Band Up Converter.wsx Illustrates an X band up converter showing the LO impurity appearing at the up converter output. System Analysis
TX and RX\ Tx Rx Chain.wsx An entire transmit and receive chain that includes the path loss between the transmitter and receiver. For additional documentation see TX and RX Chain. System Analysis
Tuning Variable
VSWR\ 5 GHz VSWR Detector.wsx A 3 sector 5.8 GHz receiver that can be used as a TX power or VSWR tester. Equations
System Analysis
  Wideband Carrier VSWR.wsx How to determine the VSWR input of a cascade for a wide carrier. Equations
System Analysis
WhatIF\ Dual Band Frequency Plan.wsx Illustrates the IF performance of a dual band CDMA receiver. WhatIF Frequency Planner


SPECTRASYS Examples with Additional Documentation