User new299

5 votes

2 answers

725 views

Is this an opamp voltage regulator?

asked Oct 15, 2014 at 8:20

3 votes

4 answers

12k views

NPN BJT base->emitter resistance is effectively zero?

asked Dec 11, 2014 at 13:26

3 votes

1 answer

1k views

Colpitts oscilator - purpose of voltage divider

asked Dec 14, 2014 at 13:25

2 votes

2 answers

663 views

Understanding astable multivibrators

asked Dec 8, 2014 at 7:20

1 vote

2 answers

298 views

phase-shift oscillator design decisions

asked Dec 9, 2014 at 18:07

1 vote

2 answers

246 views

Modifying HV supply for digital control

asked Dec 16, 2014 at 8:41

1 vote

2 answers

906 views

Is an LR Phase Shift Oscillator possible?

asked Dec 16, 2014 at 15:02

1 vote

1 answer

560 views

CCD Reset switch and sense capacitor

asked Nov 21, 2014 at 9:43

0 votes

2 answers

362 views

Using a low voltage opamp for feedback with high voltage mosfet?

asked Jun 17, 2015 at 0:45

0 votes

2 answers

285 views

Understanding the Kraakdoos Opamp circuit

asked Aug 15, 2015 at 22:08

0 votes

2 answers

185 views

Phase-shift oscillator (high pass configuration) why only 2 resistors to ground?

asked Dec 10, 2014 at 4:49

0 votes

0 answers

806 views

Building a +/- 150V DC power supply

asked Oct 23, 2014 at 3:13

Stack Exchange Network

12 Questions

Is this an opamp voltage regulator?

NPN BJT base->emitter resistance is effectively zero?

Colpitts oscilator - purpose of voltage divider

Understanding astable multivibrators

phase-shift oscillator design decisions

Modifying HV supply for digital control

Is an LR Phase Shift Oscillator possible?

CCD Reset switch and sense capacitor

Using a low voltage opamp for feedback with high voltage mosfet?

Understanding the Kraakdoos Opamp circuit

Phase-shift oscillator (high pass configuration) why only 2 resistors to ground?

Building a +/- 150V DC power supply