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MOSFET power supply issues debug request
Let's see: V = (75E-3)(470) = 35 volts.... Need I say more? [smile] Jerry Twomey, Author of: "Applied Embedded Electronics Design Essentials for Robust Systems" https://effectiveelectrons.com/book/- looseelectron
- Post #6
- Forum: Power supply & electronic component design
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Optimizing Performance in Embedded Systems Development - Emmanuel Katto Uganda
Optimizing performance? "best approaches to improve efficiency without significantly increasing power consumption" Improve efficiency is a little vague. Are you looking to minimize power consumption? Trying to get the greatest thruput of data? Trying to minimize product cost? Need to be a...- looseelectron
- Post #4
- Forum: Computer engineering general discussion
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MOSFET power supply issues debug request
You have 470K of resistance (R3) in series with the gate of a power switching transistor. That's not switching, it's swamped in the RC time constant of the resistor and the capacitance associated with the MOSFET gate input. The transistor Q2 is neither on nor off most of the time and is going...- looseelectron
- Post #4
- Forum: Power supply & electronic component design
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Need Clarification On This Power Amp Circuit...
This is a classic AB amplifier design. Some insights: CR1, CR2, CR3, CR4 exist to keep the bias of the base of Q1 and Q2 two diode drops apart, or to be more specific, two Vbe junction drops apart. The reason for two sets of diodes is to maintain that bias voltage when the input voltage...- looseelectron
- Post #3
- Forum: Circuit design
