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The diagram shows a typical "fail safe" or "redundant" power supply using the diode OR gate. If either power supply fails, the other will instantly take over with no "glitch" during the transfer. When turned on, the power supply with the slightest higher voltage will be the one that ...
The charge pump is used to generate a gate supply greater than that of VBB for driving the source-side DMOS gates. A 100 nF ceramic capacitor (CCP), capable of withstanding the battery volt- age VBATT, should be connected between CP1 and CP2. In addition, a 100 nF ceramic capacitor (...
Video encoder 20 and video decoder 30 each may be implemented as any of a variety of suitable encoder circuitry, such as one or more microprocessors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), discrete logic, softwar...
This simple doubler uses the synchronous gate drive (BG pin) as a control signal. This converter also uses an external current limit foldback scheme. The foldback circuit consists of a single 1N4148 diode (D2) and a 47k resistor (R5). The current limit foldback circuit provides additional ...
The diode bridge converts the 60 Hz AC input to 120 Hz pulsed DC, as shown in the diagram below. The pulses are smoothed out with filter capacitors before being fed into the switching circuit, but if the filtering isn't sufficient the output may show some 120 Hz ripple. Image by ...