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Spectrum News Index

Winter 2007

Questions and Answers
Easily Overlooked Features
Introducing Micro-Cap 9
Repetitive Time Switch Macro
Measuring Insertion Loss
Winter 2007 Newsletter Files
Winter 2007 Newsletter PDF File

Summer 2006

Questions and Answers
Easily Overlooked Features
Monostable Multivibrator Macro
Correlating Monte Carlo Parameters
Using the Sample and Hold Source
Summer 2006 Newsletter Files
Summer 2006 Newsletter PDF File

Spring 2006

Questions and Answers
Easily Overlooked Features
Network Installation Troubleshooting
Modeling Impedance with Tabular Data in AC Analysis
BJT Temperature Modeling
Spring 2006 Newsletter Files
Spring 2006 Newsletter PDF File

Winter 2006

Questions and Answers
Easily Overlooked Features
RMS Macro
3dB Point Performance Plots
Importing Inductance Values from a Text File
Winter 2006 Newsletter Files
Winter 2006 Newsletter PDF File

Fall 2005

Questions and Answers
Easily Overlooked Features
Setting a Guassian Distribution for Random Values
Quasi Small Signal Analysis
SPICE3 Operators Versus Standard Boolean Operators
Fall 2005 Newsletter Files
Fall 2005 Newsletter PDF File

Summer 2005

Questions and Answers
Easily Overlooked Features
Resettable Integrator Macro
Centralizing Component, Shape, and Model Files
Passing Parameters Through Batch Files
Summer 2005 Newsletter Files
Summer 2005 Newsletter PDF File

Spring 2005

Questions and Answers
Easily Overlooked Features
Using the Make Subcircuit Option
Smith Charts and Impedance Plots
Voltage Limiting Current Source Macro
Spring 2005 Newsletter Files
Spring 2005 Newsletter PDF File

Winter 2005

Questions and Answers
Easily Overlooked Features
Using Global Nodes
Amplitude Modulator Macro
Optimizing a Core Model from a Data Sheet
Winter 2005 Newsletter Files
Winter 2005 Newsletter PDF File

Fall 2004

Questions and Answers
Easily Overlooked Features
Staircase Source Macro
Upgrading to Micro-Cap 8
Using the Micro-Cap 8 IBIS Translator
Fall 2004 Newsletter Files
Fall 2004 Newsletter PDF File

Summer 2004

Questions and Answers
Easily Overlooked Features
Modeling Photodiodes
Using FFT Windows
HSPICE Style MOSFET Binning
Summer 2004 Newsletter Files
Summer 2004 Newsletter PDF File

Spring 2004

Questions and Answers
Easily Overlooked Features
Introducing Micro-Cap 8
Repeater Macro
Three Phase Triangle Source Macro
Spring 2004 Newsletter Files
Spring 2004 Newsletter PDF File

Fall 2003

Questions and Answers
Easily Overlooked Features
Micro-Cap and Hyperthread Technology
Text Stepping of Model Statements and Subcircuits
Digital Clock Macro
Fall 2003 Newsletter Files
Fall 2003 Newsletter PDF File

Summer 2003

Questions and Answers
Easily Overlooked Features
Creating A Schmitt Trigger Input Digital I/O Interface Model
Smooth Transition Time Switch
Diode Materials Temperature Parameter Values
Summer 2003 Newsletter Files
Summer 2003 Newsletter PDF File

Spring 2003

Questions and Answers
Easily Overlooked Features
Creating An Open Drain Output Digital I/O Interface Model
Creating And Using User Source Files
Optimizing AC Analysis Frequency Step Sampling
Spring 2003 Newsletter Files
Spring 2003 Newsletter PDF File

Winter 2003

Questions and Answers
Easily Overlooked Features
Creating A Digital I/O Interface Model
Modifying Component Icons In The Toolbar
Hysteresis Switch Macro
Winter 2003 Newsletter Files
Winter 2003 Newsletter PDF File

Fall 2002

Questions and Answers
Easily Overlooked Features
Digital Potentiometer Macro
Converting an Excel File to a User Source File
Creating Eye Diagrams
Fall 2002 Newsletter Files
Fall 2002 Newsletter PDF File

Summer 2002

Questions and Answers
Easily Overlooked Features
Using IBIS Models
Six Pulse Diode Rectifiers
Phase-controlled Six Pulse Rectifier/Inverter
Summer 2002 Newsletter PDF File

Spring 2002

Questions and Answers
Easily Overlooked Features
Schottky Diodes
Modeling the DIAC
A UC1845 Macro Model
UC1845 Newsletter Files
Spring 2002 Newsletter PDF File

Winter 2002

Questions and Answers
Easily Overlooked Features
Using Symbolic Variables
Simulating the Multiplier Parameter in BJT Models
Porting Micro-Cap 5 and 6 Files To Micro-Cap 7
Winter 2002 Newsletter PDF File

Fall 2001

Questions and Answers
Easily Overlooked Features
Introducing Micro-Cap 7
Variable-K Transformer Model
Plotting Filter Step and Impulse Response
Fall 2001 Newsletter PDF File

Winter 2001

Questions and Answers
Easily Overlooked Features
Plotting Loop Gain and Phase Margin
Current-limited Power Supply Model
Measuring S-Parameters
Converting S-Parameters to Y-Parameters
Winter 2001 Newsletter PDF File

Fall 2000

Questions and Answers
Easily Overlooked Features
Modeling LEDs
Modeling Zener Diodes
Two Models For Relays
Fall 2000 Newsletter PDF File

Summer 2000

Questions and Answers
Easily Overlooked Features
Using Probe on a Spice File
Initializing a Flip-flop and Parts That Use Them
How to Build a Modulator / Demodulator
Summer 2000 Newsletter PDF File

Spring 2000

Questions and Answers
Easily Overlooked Features
Importing Micro-Cap Schematics and Plots
New Duncan Munro Vacuum Tube Models
Measuring Phase Margin
Spring 2000 Newsletter PDF File

Winter 2000

Questions and Answers
Easily Overlooked Features
Changing the Digital Power Supplies
Adding New Parts to the MC6 Libraries
Switched-mode Power Supply Models
Winter 2000 Newsletter PDF File

Fall 1999

Questions and Answers
Easily Overlooked Features
Merging Components and Shapes into MC6
Using Global Nodes
Monte Carlo Error Reports
NTC7 Test Signal
Fall 1999 Newsletter PDF File

Spring-Summer 1999

Questions and Answers
Easily Overlooked Features
Introducing Micro-Cap 6
Table Defined Resistance
Digital vs Analog Pullup Resistors
Perfect Transformer vs Ideal Transformer
Spring-Summer 1999 Newsletter PDF File

Winter 1999

Questions and Answers
Easily Overlooked Features
Animate Mode
Spark-Gap Macro
Stepping the Duty Cycle of a Pulse Source
Fourier Theory and Phase
Winter 1999 Newsletter PDF File

Fall 1998

Easily Overlooked Features
Revised Pink Noise Source
Solving Differential Equations
Thermistor Macro
Windows NT and Service Pack 4 Incompatibilities
Fall 1998 Newsletter PDF File

Summer 1998

Easily Overlooked Features
White and Pink Noise Source Macros
FSK Modulator Macro
AC Analysis Convergence Technique
User Defined Functions
Summer 1998 Newsletter PDF File

Spring 1998

Easily Overlooked Features
Using a Vendor Supplied Subcircuit
Chebyshev Filter Macro
PSK Modulator Macro
Storing the Time of an Event
Spring 1998 Newsletter PDF File

Winter 1998

Easily Overlooked Features
Modeling a Commercial Digital Component
Wideband Transformer Macro
Importing Graphical Templates
Sweeping a Resistor in DC Analysis
Winter 1998 Newsletter PDF File

Fall 1997

Easily Overlooked Features
Noise Source Macro
Modeling Skin Effect
Common Digital Mistakes
MC5 File Hierarchy
Fall 1997 Newsletter PDF File

Summer 1997

Plotting Y Parameters
Opamp Offset Parameters and Saturation
Changing the Opamp Model for Different Power Supplies
Using Performance Functions to Analyze a Filter
Summer 1997 Newsletter PDF File

Spring 1997

Delay Macro
Measuring Input Impedance
Lossy Transmission Line Modeling
Simulating Loop Gain
Spring 1997 Newsletter PDF File

Winter 1997

Introducing MC5 Version 2.0
Sample and Hold Macro
Gyrator Macro
The Dangers of Aliasing
Winter 1997 Newsletter PDF File

Fall 1996

Tolerancing a Battery
Z Domain Simulation
Stepping a Triangle Source Peak
Changing the Power Supplies of Digital Parts
Fall 1996 Newsletter PDF File

Summer 1996

Accessing New User Libraries
Modeling a Programmable Logic Array
Creating and Using a Macro
HP Printer Driver Incompatibilities
Summer 1996 Newsletter PDF File