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All questions asked by darij grinberg

List all solved & unsolved questions asked by darij grinberg

Extending submodular functions from a sublattice

1   MathOverflow Asked on 12/03/2021

co.combinatorics  lattice theory  matroid theory 

How to calculate the 3dB point?

1   Electrical Engineering Asked on 11/06/2021

bandwidth  communication  electricity  signal  signal processing 

Re-soldering SMD with SMD rework station

1   Electrical Engineering Asked on 11/06/2021

soldering  surface mount 

Why does a spark occur when an SMPS is connected to the load circuit?

6   Electrical Engineering Asked on 11/06/2021

batteries  battery charging  power electronics  power supply  switching 

What features should/must be present inside a prototype FPGA board to aid in debug?

4   Electrical Engineering Asked on 11/06/2021

fpga  pcb  prototyping  testing 

Relationship between torque and back-EMF voltage | BLDC motor modeling

2   Electrical Engineering Asked on 11/06/2021

back emf  brushless dc motor  model  torque 

Carrier concentration decreasing with increase in temperature in a semiconductor

1   Electrical Engineering Asked on 11/06/2021

semiconductors 

What are non-reciprocal bandpass filters?

1   Electrical Engineering Asked on 11/06/2021

electromagnetism  filter 

Op-amp input signal problem, mismatched

1   Electrical Engineering Asked on 11/06/2021

coax  gain  operational amplifier 

Amplifier design help

3   Electrical Engineering Asked on 11/06/2021

ac  amplifier  design  gain  mosfet 

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