The Greater Houston Chapter of the IPC Designer Council is offering the
following classes by Rick Hartley - a senior principal engineer at L-3
Communication, Avionics Systems. Rick consults and teaches internationally
to resolve noise, signal integrity and EMI problems.

*Class #1 Morning (8:30am-12pm)

SIGNAL INTEGRITY
**

Audience: *Circuit design engineers, PCB designers and managers interested
in learning and applying high-speed concepts to electronic products.

The combination of clock frequency and very fast ICs are forcing SI concerns
in today’s PC Boards, for single ended and differential lines. Problems are
especially prevalent at Gigabit switching speeds. Any impedance
discontinuity has the potential to cause SI problems, but only those longer
than a particular portion of signal wavelength will do harm. Understanding
the difference is key to success. This 3 hour course is a crisp focus on the
concepts needed to ensure SI success. Topics include –

• Recommended Reading- Signal Integrity  • Transmission Line Basics  •
Reflections and Ringing on Transmission Lines  • Propagation Time */ *Velocity
and Circuit Timing  • Line Impedance Tools and Field Solvers  • Influence of
Nearby Traces on Impedance

• IC Loading Impact on Propagation Time and Impedance  • Trace Routing and
Termination Schemes  • Vcc and Ground Bounce (a Serious issue)  •
Reflections and Discontinuity Length  • Impact of Vias Stubs and 90 Degree
Corners

• Differential Pairs - Basic Concerns and issues  • Differential Trace
Spacing and Cross Talk issues  • Differential Trace Length vs Real Skew
Concerns

*Class #2 Afternoon (1:30pm-5pm)

EMI (Electro-Magnetic Interference)
*

*Audience:* Circuit design engineers, PC board designers, technicians and
managers interested in learning the physics of EMI control.

When a time-varying (AC) current flows, an electric and a magnetic field are
present!!! These fields, when not controlled, are the cause of EMI. In
recent years their effect has increased due to ICs with very fast rise time
outputs, making EMI failures more common even in circuits clocked at low
frequencies. Knowing how to prevent and contain stray fields, with proper
design of the PC board, will turn EMI control from guess work to everyday
practice. Topics include –

• Recommended EMI Reading • Real Frequency of a circuit  • Location of
Fields in PC Boards  • Basic Definitions and Types of EMI  • Common Mode and
Differential Mode EMI  • Antenna Basics  • Cables and other Radiators

• Keys to Controlling Common Mode EMI  • Correct Power Distribution and
Decoupling   • Effect of Component Positions on EMI   • Routing to Control
Common Mode EMI   • Routing and the I/O Structure

• PCB Stack-up for EMI Control  • Filtering of I/O Lines   • Three
approaches to System RF Shielding



*DATE: *Friday, February 18th, 2011
*

LOCATION:
*

1111 Gillingham Lane

Sugar Land, TX 77478-2865

Cost: $25.00 per Class

*Registration:
*

*To register for these exciting events please send an e-mail with the
subject line **"REGISTER" to [log in to unmask] and indicate which
seminar(s) you would like to attend.
*

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