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flawr
  • Member for 6 years, 6 months
  • Last seen more than a week ago
  • in the middle of, but not in the EU
0 votes
1 answer
39 views

Adjustable low-pass filter with logarithmic cut-off control via potentiometer

0 votes
2 answers
135 views

Antenna for contactless 50/60Hz AC detector

0 votes
0 answers
124 views

How to protect potentiometer in adjustable soldering iron?

2 votes
1 answer
211 views

How to avoid decay in quadrature oscillator?

1 vote
2 answers
492 views

How to analyze low pass filter in voltage divider?

0 votes
2 answers
397 views

Non-inverting current to voltage converter

3 votes
3 answers
919 views

Is it possible to make a ring modulator where we replace the transformers with op-amps?

0 votes
1 answer
82 views

Inverting a (voltage-) transfer function using opamp

1 vote
1 answer
104 views

Using a potentiometer to control greater resistance

0 votes
2 answers
220 views

LM317 not regulating higher voltages

1 vote
1 answer
88 views

Maximal resistance in series with input of 74LS14 Schmitt-Trigger-Inverter

0 votes
2 answers
118 views

Can voltage regulators deal with negative output current?

0 votes
1 answer
348 views

Using OpAmp to drive LEDs according to incoming signal

0 votes
1 answer
85 views

Do I have to protect the CD4013 outputs from short circuits?

0 votes
4 answers
855 views

Choice of resistor in half wave rectifier

0 votes
1 answer
79 views

Identification of power connector