Dc vibrator circuit



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DC-to-DC converter





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Vibrator (electronic) - Wikipedia
The entire rotor and shaft assembly is smaller in size than a pair of machines, and may not have any exposed drive shafts. The vibrator oscillated mechanically, with contacts that switched the polarity of the battery many times per second, effectively converting DC to square wave AC, which could then be fed to a transformer of the required output voltage s. DC to DC converters are used in portable electronic devices such as cellular phones and laptop computers , which are supplied with power from batteries primarily. Efficiency has improved since the late s due to the use of power FETs , which are able to switch more efficiently with lower switching losses at higher frequencies than power bipolar transistors , and use less complex drive circuitry. These circuits are the heart of a switched-mode power supply.






Vibrator (electronic)




Description: For example, a switched-capacitor reducing converter might charge two capacitors in series and then discharge them in parallel. Fast semiconductor device rise and fall times are required for efficiency; however, these fast transitions combine with layout parasitic effects to make circuit design challenging. Many topologies exist. Motor-generators can convert between any combination of DC and AC voltage and phase standards.
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Date: 14.03.2019
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