...
4.2 Hspice Simulation
Hspice [14] is a standard electrical domain simulation tool with certain behavioral simulation capac-
ities. Electronic circuitry can be simulated very accurately within Hspice. ... Sensing Element Design 6
2.1 Overview 6
2.2 Mechanical Designand Analysis 7
2.2.1 Spring Design 8
2.2.2. Damping and Quality Factor 9
2.3 Vertical Stress Gradient Compensation with Curl Matching ... electronics, with very good CMRR compared with previous work, eliminating the
need for common-mode feedback circuits at the front end. A common-centroid design cancels the cross-
axis and translational...
... Symp. on
Circuits and Systems, pp. 618-21, 1986.
[11] Vandemeer, J., Kranz M. Fedder G.K., “Hierachical representation andsimulation of micromachined
inertial sensors,” Modeling andSimulation ...
4.2 Hspice Simulation
Hspice [14] is a standard electrical domain simulation tool with certain behavioral simulation capac-
ities. Electronic circuitry can be simulated very accurately within Hspice. ... simulation results for CMOS-MEMS and pol-
ysilicon comb fingers with the same beam cross-sections, and compared with a simple parallel-plate
approximation.
2.4.2 Capacitive bridge model:
For simulation...
... The simulation sequence and the simulation result are normally
28 2 PRINCIPLES OF MODELLING AND SIMULATION
which models can be validated. In general, simpler models are easier to handle, and
thus ... achieved without simulation.
If we consider discretely structured printed circuit boards, then it is slightly less
critical that the circuit is fully checked in advance by simulation. The etching and
fitting ... interpreted
simulation. In the compiled simulation, the circuit is translated prior to simulation
into a programme, the processing of which brings about the simulation. In the
simplest case the circuit...
... of modelling andsimulation is closely linked to the underlying design
processes. These can be roughly divided in accordance with their design direction
into top-down and bottom-up design flows. ... the compiled and the interpreted
simulation. In the compiled simulation, the circuit is translated prior to simulation
into a programme, the processing of which brings about the simulation. In ... perform circuitsimulation for larger circuits
4
as a result
of the associated cost. If we still want to analyse these circuits by simulation,
sacrifices must be made in accuracy. For digital circuits...
... optimal new designs and modelling
of existing plants, evaluate retrofits and improve the process.
9 Hysys.Plant: steady state and dynamic simulation to evaluate designs of existing
plants, and analyse ... by UNIX and Windows,
1 precursor of PRO II (Simulation Science)
2 continued withDESIGN II and WINSIM
3 continued by ASPEN PLUS (ASPEN Tech)
4 development of ChemCAD (ChemStations) and Hysys ... paradigm of Process Engineering: Simulation as core activity in
Research & Development, Designand Operation
Research and Development
Process simulation can guide and minimise the experimental...
... Cataloging-in-Publication Data
Pedroni, Volnei A.
Circuit designwith VHDL/ Volnei A. Pedroni.
p. cm.
Includes bibliographical references and index.
ISBN 0-262-16224-5 (alk. paper)
1. VHDL (Computer hardware ... Tutorial 343
Appendix E: VHDL Reserved Words 355
Bibliography 357
Index 359
x Contents
TLFeBOOK
with VHDL
Volnei A. Pedroni
Circuit Design
TLFeBOOK
To Claudia, Patricia, Bruno, and Ricardo
TLFeBOOK
... of VHDL.
Its first version was VHDL 87, later upgraded to the so-called VHDL 93. VHDL
was the original and first hardware description language to be standardized by the
Institute of Electrical and...
... numbers and
Solution:
Starting with the least significant digit column above, we add withand the table gives us
with no carry. Next, we add andand we get with no carry. Now, we add andand we
TABLE ... Binary, Octal, and Hexadecimal Systems
2-6 Digital Circuit Analysis andDesignwith an Introduction to CPLDs and FPGAs
Orchard Publications
get with no carry. Finally, we add andand that gives ... numbers and
Solution:
Starting with the least significant digit column above, we add withand the table gives us
i.e., with a carry of . Next we add and , with a carry of , or and , and the...
... <= M AND (NOT D) AND V;
term_2 <= M AND D AND (NOT V);
term_3 <= M AND D AND V;
S <= term_1 OR term_2 OR term_3;
END Dataflow;
(a)
Digital Logic and Microprocessor DesignwithVHDL ... NOR gate: (a) VHDL code; (b) circuit; (c) simulation trace.
2.10.3 VHDL code for a function
Figure 2.16 shows the VHDL code, and the simulation trace for the car security system circuit of Section ...
inverse
Digital Logic and Microprocessor DesignwithVHDL Chapter 2 - Digital Circuits
43
the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting...
... (clk'EVENT AND clk='1') THEN
d
clk
rst
q
DFF
Figure 2.5
DFF with asynchronous reset.
18 Chapter 2
TLFeBOOK
with VHDL
Volnei A. Pedroni
Circuit Design
Circuit Designwith VHDL
Volnei A. Pedroni
This ... of VHDLanddesign concepts by
including a large number of complete design examples,
illustrative circuit diagrams, a review of fundamental design
concepts, fully explained solutions, andsimulation ... operators and attributes, concurrent
and sequential statements and code, objects (signals, vari-
ables, and constants), design of finite state machines, and
examples of additional circuit designs....
... Cataloging-in-Publication Data
Pedroni, Volnei A.
Circuit designwith VHDL/ Volnei A. Pedroni.
p. cm.
Includes bibliographical references and index.
ISBN 0-262-16224-5 (alk. paper)
1. VHDL (Computer hardware ... Chapter 3
TLFeBOOK
with VHDL
Volnei A. Pedroni
Circuit Design
TLFeBOOK
1Introduction
1.1 About VHDL
VHDL is a hardware description language.Itdescribes the behavior of an electronic
circuit or system, ... of VHDL.
Its first version was VHDL 87, later upgraded to the so-called VHDL 93. VHDL
was the original and first hardware description language to be standardized by the
Institute of Electrical and...