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ISSUE DATE: JULY 7, 1997 OPTIONS
Fast Ethernet switch, Project automation, RF and DSP co-simulation, H.V. power switches, DC-DC converters, PLLs in PLDs

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July 7, 1997 - In This Issue

[Ideas For Design]
Build a simple finite state machine
Probably everyone has seen in some textbook the block diagram of a “finite state machine” (FSM), and most likely nobody used it in practice (Fig. 1). For the few who aren’t familiar with it, an FSM is a...  — Contributing Author

[Ideas For Design]
Simple switchers make simple pre-regulators
Linear regulators are used extensively because of their simplicity, low cost, quiet operation, and clean outputs. In applications where the output voltage must be adjusted over a wide range, however, they can dissipate considerable power and require...  — Contributing Author

[Ideas For Design]
Lead-acid battery charger also monitors terminal voltage
The three-IC power-supply system shown charges typical three-cell lead-acid batteries of the 6-V sealed D-cell type, and provides a manually activated check of the battery capacity. For charging, a conventional switch-mode controller steps down...  — Contributing Author





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