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LINC2 in Education

 
LINC2 in Industry

Partial list of LINC2  features:

Introduction

The program LINC2 (LINear Circuit Analysis version 2), is a circuit simulation program written

for the Microsoft Windows (TM) graphical operating environment.  The program uses schematic

capture as well as a nodal circuit file description for circuit entry that is very similar to several

 of the most popular RF/Microwave simulator programs currently used in the industry today.

This not only allows circuit files written for LINC2 to run on other simulators with little or no

modification, but contributes to the program's ease of use because a new circuit language

format does not have to be learned. A rich set of analysis tools and circuit performance

indicators are provided. Additionally, the program offers many ways of displaying output,

including Smith Charts, rectangular graphs, tabulated numeric data as well

as printed output of the above.

Program Features

The following is a list of available features in LINC Standard version 2.72:

Built in full-screen text editor for generating circuit files

Importing and exporting of S-Parameter data

Importing and exporting of circuit files

Set of 18 analysis responses and performance indicators, including:

The magnitude (dB or linear) and phase of

        Forward Gain (S21)

        Reverse Gain (S12)

        Input Reflection Coefficient/Return Loss (S11)

        Output Reflection Coefficient/Return Loss (S22)

Group Delay

Maximum Stable Gain (MSG)

Stability indicators K and Delta

Input impedance (Rin and Xin)

Output impedance (Rout and Xout)

Input and output VSWR

Smith Chart displays of S11 and S22

Simultaneous rectangular graphs of any two circuit responses

Numerical (tabular) display of all 18 circuit responses

Smith Chart stability analysis - Stability circles on input/output reflection coefficient planes

Display of Constant Available Power Gain Circles

Display of Constant Operating Power Gain Circles

Display of Constant Noise Circles

Matching network synthesis

Tuning - The ability to interactively change circuit component values while observing the circuit responses in real time

Monte Carlo statistical analysis - Determine yields given component tolerances

Hardcopy printing or plotting of Smith Charts, rectangular graphs, numerical data or circuit files

RF design tools

    Matching network synthesis- Matches any complex source to any complex load

        Choice of matching network topologies-

            Lumped element or distributed (transmission lines);

                PI, T, L, transmission lines, open and short circuit stubs

    PI and T Pad design

    Microstrip and Stripline design

    Circles Utility for automated amplifier design based on Smith Chart displays of

        Operating Power Gain Circles

        Available Power Gain Circles

        Noise Circles- Gain and noise circles adjustable for design tradeoffs

        Stability Circles indicating the best choices for source and load terminations

        Simultaneous (bilateral) conjugate matching at both ports when stability permits

        Automatic matching network synthesis provides a wide selection of circuit topologies

            based on choices from circles data

    Simulation of complete circuit synthesized in the Circles Utility

    Schematic capture tool (LINC2 Professional version 2.72)- Easy entry of schematic with provision for invoking the simulator directly from the schematic page.  Just click "Analyze", then view results.  The schematic tool is available only in the professional version.

   

 
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Last modified:  October 23, 2017