May 25, 1998 Magazine Archive

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ISSUE DATE: MAY 25, 1998

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LVDS ICs, SID '98, Software development tools, DSPs, Motor Control

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Browse Archived Articles By: Issue | Author | Department | Topic

May 25, 1998 - In This Issue

[Design Application]
Optimize Memory Subsystem For Top Performance
— Contributing Author

[Design Application]
DSP Motor Control Boosts Efficiency In Home Appliances
— Contributing Author

[Ideas For Design]
Simple circuit measures voltage-dependent capacitance
There are many techniques for measuring capacitance. Some of these techniques require a function generator to provide either a sinusoidal or step-function voltage source. The design idea presented here has the advantage of requiring no special... — Contributing Author

[Ideas For Design]
Low-power thermal airspeed sensor
Among the techniques available to measure airspeed, thermal anemometry has the virtues of simplicity and easy miniaturization. Such anemometers use the relationship between airspeed and power dissipated by a heated sensor known as King’s Law. One good... — W. Stephen Woodward

[Ideas For Design]
Simple sine-wave generator has no low- or high-pass filters
Generating sine waves with controlled frequencies over a wide range is difficult when using RC or LC sinusoidal oscillators. However, this performance can be simply created using a wideband digital squarewave oscillator, a counter, and a weighted... — Contributing Author

[Ideas For Design]
Special low-pass filter limits slope
Adding several components to a simple first-order, low-pass filter, helps to create a different yet handy filter. The circuit shown in Figure 1 combines a low-pass filter (R2, C1, A1) with a bidirectional... — Contributing Author

[Pease Porridge]
Bob's Mailbox
Dear Bob: I've been following the technique of breadboarding with copper clad. I have used the Moto-tool approach to cut between the traces, but I think I have an easier way. I... — Bob Pease

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