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Momentum优化教程
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更新于2023-06-26
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ADS版图优化仿真手册,讲解了ADS从原理图到版图转换过程,并说明了如何在版图中队结构进行优化
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EM Optimization - Moving from Analysis to Design Automation 1
Momentum Optimization
EM Seminar 1999
Momentum
Optimization
EM Seminar - HP Momentum Paper 1
Moving from Analysis to Design Automation
EM Optimization - Moving from Analysis to Design Automation
EM Optimization - Moving from Analysis to Design Automation 2
page 2 of 36
Momentum Optimization
EM Seminar 1999
Objective
• To illustrate circuit design flow
with HP ADS
• To illustrate the use of
Momentum and Momentum
Optimization as part of the
design flow
This presentation will illustrate the design of a 3.2 GHz radial stub filter. The
microstrip filter focuses on the use of EM simulation as a verification tool.
EM Optimization - Moving from Analysis to Design Automation 3
page 3 of 36
Momentum Optimization
EM Seminar 1999
Overview
Microstrip Radial Stub Filter
• Analysis - Momentum
• Design Refinement - Momentum Optimization
Analysis
Model
Generation
Design
Refinement
Momentum
Momentum Optimization
This presentation will illustrate the design of a 3.2 GHz radial stub filter. The
microstrip filter focuses on the use of EM simulation as a verification tool.
EM Optimization - Moving from Analysis to Design Automation 4
page 4 of 36
Momentum Optimization
EM Seminar 1999
Design Flow
Manufacturing
EM Simulation
Layout
Optimization
Synthesis
System Design
Circuit Design
EM Optimization
D
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S
I
G
N
F
E
E
D
B
A
C
K
Post Processing
S
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m
a
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b
a
s
e
d
D
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g
n
L
a
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D
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EM Simulation as an Analysis Tool
This diagram illustrates a typical design flow. The design flow is broadly separated
into two parts: schematic-based design and layout-based design. Also represented is
the design feedback path which goes throughout the entire design process.
Schematic-based Design
The schematic-based design starts with system design, where specifications are set
and system architecture is studied to understand design tradeoffs. Once the system
architecture is set, the specifications of each sub-module is set.
After the system design and prior to circuit design, there is an initial investigation
into the design approach. This includes literature and textbook study, as well as the
use of specialized synthesis tools. The synthesis tools provide a starting point for
the circuit design.
Circuit Design involves the details of going from the design specification to the
final schematic-based design. This process involves the circuit simulators (linear
simulation, harmonic balance, transient, convolution, envelope,…), as well as
design tools such as circuit optimization and post-processing of the analysis data.
EM Optimization - Moving from Analysis to Design Automation 5
page 5 of 36
Momentum Optimization
EM Seminar 1999
Schematic-based Design
Project Manager says “… a filter is
needed to reduce the mixer LO
feed-through to the amplifiers”.
Proposed Solution:
Design a MICROSTRIP radial stub
low pass filter
EM Simulation as an Analysis Tool
Some motivation starts the design process.
In this case, a filter is needed to reduce the mixer LO feed-through to the amplifiers
that follow.
The proposed solution is to design a microstrip radial stub low pass filter.
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