April 14, 1997 Magazine Archive

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ISSUE DATE: APRIL 14, 1997

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MOSFETs, Displays, Mixed-signal tools, Internet protocols, FPGAs, VHDL

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April 14, 1997 - In This Issue

[Ideas For Design]
Zero-voltage switching converter
The “TWitt” converter shown features a forward converter transfer function and can operate effectively at high switching frequencies because it achieves zero voltage switching (ZVS) of all of its switches for all transitions (... — Contributing Author

[Ideas For Design]
Low-cost, isolated 5-V supply for 3.3-V logic
Occasionally, a 3.3-V logic system will need an isolated supply for a peripheral function. There are some dc-dc converters available. However, if spare inverters are present in the circuit, a low-cost solution can be produced using only four inverters... — Contributing Author

[Ideas For Design]
Simple digital AC wattmeter
To make useful measurements of “real” power consumption, wattmeters must be accurate despite large reactive and dc components in the current drawn by the monitored load. Moreover, power consumption from multiple ac phases (two in the case of a typical... — W. Stephen Woodward

[Pease Porridge]
Bob's Mailbox
Dear Mr. Pease: You write like some of my best teachers taught. Theory is fine, but experience passed on is crucial. I repair a lot of pc boards, most of which come from... — Bob Pease

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