September 1, 1998 Magazine Archive

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ISSUE DATE: SEPTEMBER 1, 1998

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High-resolution ADC, System verification, Wescon/IC Expo, PLLs, Power technology focus

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

September 1, 1998 - In This Issue

[Design Application]
Modular Converters Speed Power Designs
— Contributing Author

[Design Application]
Solid-Polymer Electrolyte Makes Lithium-Ion Safe
— Contributing Author

[Design Application]
Online UPSs Save "Mission-Critical" Applications
— Contributing Author

[Design Application]
Unscramble The European Power Directives
— Contributing Author

[Design Application]
Buck Regulator Answers Portable Challenges
— Contributing Author

[Ideas For Design]
"Virtual Switched-Capacitor" LCD bias control
In a low-cost microcontroller-based design, it's possible to generate the negative voltage supply required to bias extended-temperature character LCD modules without a dedicated voltage inverter IC. Using fiv inexpensive general-purpose npn switching... — Contributing Author

[Ideas For Design]
Phase-locked digital synthesizer
The circuitry shown in Figure 1 demonstrates the technical features from both phase-locked-loop (PLL) and direct-digital-synthesis (DDS) designs. The design represents a phase-locked oscillator with... — Contributing Author

[Ideas For Design]
Microcontroller controls its own clock speed
When working with low-end microcontrollers like the Motorola MC68HC705J1A or the earlier ’K1, some features available on larger chips, like selectable “full speed” and “standby” clock oscillators, are sorely missed. This circuit idea arose from a need... — Contributing Author

[Ideas For Design]
Single-transistor constant-current generator
Perhaps this circuit is stating the obvious, but sometimes the obvious can elude us! Though not as good as many other constant current generators, it’s very simple and very inexpensive. The figure shows the... — Contributing Author

[Pease Porridge]
What's all this "driving into accidents" stuff, anyhow?
A while back, I decided what I would write about for my next book. It took a year longer than I expected, but it's here: How to Drive Into ACCIDENTS—And How NOT To. It's 488 action-packed... — Bob Pease

[Walt Jung Archive: Walt's Tools And Tips]
Op-Amp Audio
In this and the next few columns, we will take a departure from the immediate past, and focus some overdue attention on real circuits. We'll cover some op-amp issues related to realizing high performance in audio and other ac applications. This... — Walt Jung

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