The AD736 true-rms-to-dcconverter is useful for many applications that require precise calculation of the rms value of a waveform. This converter can ...
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2014-11-28 16:14:22
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142
Figure 1shows an example of on/off circuitry commonly used in battery-operated devices. The p-channel MOSFET, Q1, serves as a power switch. When you p...
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2014-11-28 16:06:09
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253
Short-circuit protection is an obvious requirement for a power supply, especially when its load connects to a cable that's subject to damage. Many mod...
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2014-11-28 16:04:06
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149
The circuit inFigure 1produces a single debounced pulse each time you press S1. Moreover, the circuit uses only logic power from the remote pull-up re...
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2014-11-28 15:46:59
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174
The schematic inFigure 1shows a way to increase the power available from a current-limited 5V supply by adding power from a –5V supply. The dc/dc conv...
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2014-11-28 14:24:24
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205
Well-regulated, dual-polarity power supplies find wide use in disk-drive, handheld-device, automotive, and notebook-computer applications. In these ap...
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2014-11-28 14:15:58
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315
This Design Idea stems from the limited availability of IC voltage regulators that can meet key USB-power specs, coupled with the need for turn-on seq...
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2014-11-28 14:04:34
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162
Most isolated, offline SMPSs (switched-mode power supplies), including flyback, forward, and resonant, must operate at input voltages of 90 to 260V rm...
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2014-11-28 11:41:42
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145
Batteries are the typical power sources for portable-system applications, and it is not unusual these days to find microcontroller-based portable syst...
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其他好文 时间：
2014-11-28 11:35:12
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342
