Michael Karcher's user avatar
Michael Karcher's user avatar
Michael Karcher's user avatar
Michael Karcher
  • Member for 9 years, 3 months
  • Last seen more than a week ago
  • Germany
14 votes
Accepted

Can anyone indentify this component?

11 votes
Accepted

LED still glowing with a capacitor in series

11 votes
Accepted

How does a transformer transmit power from the primary to the secondary?

9 votes
Accepted

Why is there a resistor and a capacitor in this AUX cable's diagram?

7 votes

Share bypass capacitors with ICs or not?

7 votes

Two flyback diodes in parallel across a relay coil?

7 votes

Power supply filter choke failure - how and why?

6 votes
Accepted

Puzzling behavior of op amp circuit

6 votes
Accepted

Power factor and cos φ

4 votes

Why is barrier potential of Ideal Diode zero?

4 votes

Nickel battery balancer

4 votes
Accepted

Why does my transistor saturate when I touch the base?

4 votes
Accepted

Is it superfluous to place a snubber in parallel with a diode by default?

4 votes
Accepted

How to switch between 2 power supplies?

4 votes

Triac circuit confusion

4 votes
Accepted

Diode reverse recovery charge

4 votes
Accepted

SMPS mobile charger design

4 votes
Accepted

Inverting buck-boost converter

4 votes

Why would a 74LS14 be used to enable another IC?

4 votes

What is the difference between a virtually tagged and a physically tagged memory system?

3 votes
Accepted

Why these can't be an amplifier?

3 votes

How does the definition of electrical power follow from the chain rule?

3 votes

Replace a three wire tablet battery with a two wire one

3 votes
Accepted

Solar controller with BJT transistor and PIC24 microcontroller to charge 3.6V NiMH batteries

3 votes

Solar charging in northern urban environment - boost mode needed?

3 votes

Why is there a lot of current variation at the output of a buck when a battery is connected at the output?

3 votes

TIP-Barrel test of oscilloscope

2 votes

Why am I calculating a higher current through this inductor than is being supplied?

2 votes

Selection of Frequency in Switching Regulator

2 votes

The talk of current amplifier vs voltage in audio?