Product Documentation

Spectre Circuit Simulator Measurement Description Language User Guide and Reference
Product Version 23.1, June 2023

Contents

Preface

The MDL Language

Related Documents

Typographic and Syntax Conventions

1

Defining and Using Measurement Aliases

Defining a Measurement Alias

Using a Measurement Alias

Defining Measurement Aliases on the Fly

Propagating Variables

Defining a Macro

Accessing Netlist or Model Parameters

Accessing Model Names and Types

Accessing Noise Parameters

Using Named and Primitive Analyses

Looping Statements

foreach Statement

search Statement

mvarsearch Statement

Include Statement

Evaluating Expressions Selectively

If/Else Statement

Ternary Expression Statement

Specifying the Output File Format

Supported Spectre Circuit Simulator Analyses

Supported Spectre Circuit Simulator Formats

Optimizations and Tips and Tricks

Data Output Optimizations

Performance Optimizations

Common Pitfalls

2

Constructing MDL Expressions

Basic Language Elements and Scope Rules

Enumeration Names

Predefined Constants

Overview of Operators

Unary Operators

Binary Operators

Operator Precedence

3

Running MDL in Batch Mode

4

Running MDL in Post-processing Mode

A

Built-In Functions

d2r (degrees-to-radians)

I

pp (peak-to-peak)

r2d (radians-to-degrees)

rms (root-mean-square)

S

V

Y

Z

B

SPICE Compatibility for Analyses

C

SPICE Compatibility for options supported by MDL

Support the SPICE option

Support equal interval output for

⠀ X