MicroSim Corporation Announces Its New Signal Integrity Analysis Program
For The Design Center Version 5.4

June 1, 1993 -- (Irvine, CA) As part of version 5.4 of the Design Center
with schematic capture, MicroSim Corporation introduces its Signal
Integrity program, Polaris. Polaris is an analysis tool for extracting
transmission line, parasitic capacitance, and coupling values from printed
circuit board (PCB) layouts. Extracted values are then applied to circuit
simulations in PSpice, providing for analysis of crosstalk, reflection,
and delay effects in the circuit design.

Until recently, most digital designers could ignore transmission line
effects in their designs because gate delays and noise margins of the most
commonly used devices were large enough to withstand signal degradation
due to transmission line effects. As gate delays and noise margins for
components decrease, designs become more susceptible to transmission line
effects in the layout. Transmission line effects in high-speed designs can
render a design inoperable. The Design Center with Polaris gives the
designer the ability to verify that the circuit will perform to
specification after the layout is created and before boards are
manufactured, thus reducing the overall cost of the design.

The Design Center with Polaris offers a significant advance in
state-of-the-art signal integrity analysis, calculating not only the
electrical effect of a board layout in isolation, but also accounting for
these effects in the context of a full circuit simulation with PSpice.
There are no missing pieces or compromises to accuracy. Features include
automatic extraction from layout, a more efficient field solving algorithm
than traditional finite element analysis, efficient and accurate
simulation of board parasitic data, ideal and real waveforms, realistic
drive models, full circuit behavior, and more!

Signal Integrity Analysis is available for the Design Center with schematic
capture at an introductory price of $4,875.00 ($6,337.50 for international
sales) through August 31, 1993 (available July, 1993). Beginning September
1, 1993, the price will be $7,500 ($9,750 for international sales). For
more information about MicroSim Corporation's Signal Integrity program,
please call us at (714) 770-3022, or toll free at (800) 245-3022.

MicroSim Corp, 20 Fairbanks, Irvine, CA 92718
714-770-3022;  800-245-3022;  fax: 714-455-0554

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