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2 votes
3 answers
344 views

Buffer amplifier/filter type circuit

0 votes
0 answers
24 views

How do I produce an analog output from an Arduino Mega and connect it to a PLC's analog input card? PWM and LM6211 Op-amp or arduino module?

0 votes
1 answer
138 views

Output current and voltage levels regulation in ac/dc adapter

1 vote
1 answer
144 views

Conditioning a piezoelectric sensor via a charge amplifier circuit

0 votes
1 answer
44 views

Injecting audio signal into AM/FM Tuner on car radio - help with understanding schematic

2 votes
1 answer
219 views

LM317 current limiting/set via differential amplifier works in simulator but glitchy when built

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5 answers
163 views

What is a DC path in the feedback of an amplifier?

2 votes
0 answers
74 views

Output noise of integrator op amp

3 votes
1 answer
157 views

Is it possible to achieve a square root analog filter?

2 votes
2 answers
148 views

Why would op-amp shoot up to positive rail during power on?

1 vote
1 answer
60 views

troubleshooting an electrooculography (EOG) circuit

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37 views

Problem with Chopper Opamps Gain

3 votes
2 answers
203 views

TDA2050 feedback capacitor placement, and why do I need to bias the input?

3 votes
1 answer
222 views

Estimating load capacitance when connecting two opamps?

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