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Design Ideas: June 22, 1995

Programmable current source powers charger
900-MHz down converter consumes little power
40V current source operates from -40 to +85°C
Hardware add-on provides mixed-format multiply
Microcontroller watches, controls ac power
Precision T/H amplifier uses 3.3V supply
Signal chopping enhances bridge performance
Counter IC provides wait states for 8031/8051

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