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qrk
  • Member for 2 years, 10 months
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26 votes
Accepted

Does the number of turns in Turns Ratio matter in transformers?

20 votes

DC bias of electrolytic capacitor

17 votes

Is there a connector for 0.1in pitch linear hole patterns?

17 votes

Why is there a polarized capacitor symbol in an AC circuit?

15 votes

In Altium Designer, is there a setting that maintains the camera's position when switching from 2D to 3D and vice versa?

15 votes

Why does this op amp stop working after some time?

13 votes
Accepted

Name of very thin wires with insulation removed with soldering iron

12 votes
Accepted

What software can I use to draw circuit diagrams like this?

12 votes

Soldering 12 gauge wire to protoboard

12 votes

What does a dashed rectangle and an encircled dot mean?

11 votes
Accepted

Why do I get 0 volt output when I have a voltage divider with a square wave input?

11 votes

LTspice fails at a simple two-resistor voltage divider. How can I fix it?

11 votes

What battery chemistry is suitable for a "time capsule" applicaton?

10 votes
Accepted

Noise increases suddenly in op-amp circuit

9 votes

Footprint for Electrolytic Capacitor

9 votes

Parts shortage, no stock, what now? (canonical reference question)

8 votes
Accepted

Is it OK to solder to large copper pour area

7 votes
Accepted

LTspice op-amp simulation

7 votes

Recovering from failure to clean off solder flux

7 votes
Accepted

Schematics Standard for Space between Value and Unit

7 votes
Accepted

What is the difference between ESR and DCR?

7 votes
Accepted

precise 50 Hz oscillator

7 votes

Best way to measure current through LED with oscilloscope

7 votes

Why does the thermal noise of this large resistor not contribute to the input noise for this JFET-input inverting amplifier?

6 votes
Accepted

Passive filter design with input load

6 votes
Accepted

Why doesn't my LTSpice simulation get the same results as this one?

6 votes
Accepted

Multiple schematics in LTspice

6 votes
Accepted

Whats the cost to create your own custom ASIC chip?

6 votes
Accepted

Is there a simple method to estimate the copper loss of Litz wire?

6 votes

LT Spice - IV Curve using PWL Datapoints

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