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26 Questions

Views Newest Activity Votes

votes

answers

views

How to combat noise from my circuit polluting my 12V rail?

power filter noise

Jul 3 at 5:34 hacktastical 5,674

votes

answers

views

Accuracy of a multimeter over 10 years period

multimeter accuracy

Feb 24 '18 at 6:30 Ross Millikan 151

votes

answers

595

views

Difference between [W] and [WS] power rating of resistors

power resistors datasheet ratings

Oct 2 '18 at 19:43 Tom Carpenter 41.7k

votes

answer

views

Dave Jones's uCurrent - oscillations

oscillation

Oct 10 at 6:21 Chupacabras 4,112

votes

answers

views

Is a snubber for transformer primary winding necessary?

transformer snubber

Dec 14 '17 at 21:36 Eugene K 683

votes

answer

views

Strange oscillations with TL431 voltage reference

voltage-reference oscillation tl431

Sep 30 '17 at 21:12 Chupacabras 4,112

votes

answer

945

views

Why is this switching transistor heating up?

mosfet heat 12v fan power-dissipation

Jan 4 '17 at 13:53 Rohat Kılıç 4,829

votes

answers

views

How to filter noise from fan

noise fan

Jul 23 '16 at 9:53 Chupacabras 4,112

votes

answers

views

Is this 400V capacitor rating for DC or AC?

capacitor ac dc

Aug 5 at 12:06 Dave Tweed♦ 139k

votes

answers

views

Why multiple bias voltages are required to drive LCD?

lcd bias

May 22 '17 at 7:27 Chupacabras 4,112

votes

answer

686

views

Spike in current limiter

ltspice current-limiting

Apr 23 '17 at 6:48 a concerned citizen 4,242

votes

answer

462

views

Is this capacitor suitable for boost converter (low ESR)?

power-supply capacitor boost esr

Feb 25 '17 at 19:20 John D 13.7k

vote

answer

132

views

Triac dimmer makes audible noise (hum or buzz)

noise triac dimmer hum

Jul 7 at 21:33 Chupacabras 4,112

vote

answers

views

Linear power supply and mains filtering and protection

power-supply mains protection linear emi-filtering

Oct 18 '18 at 18:19 Chupacabras 4,112

vote

answer

154

views

Value of 5-band resistor (current sense)

resistors colour-coding

Sep 13 '18 at 21:38 jp-jee 191

vote

answers

199

views

4-wire voltage sensing for DC load

voltage-measurement dummy-load

Dec 6 '17 at 8:46 Chupacabras 4,112

vote

answers

818

views

Problem with opamp stability in DC load

operational-amplifier stability oscillation dummy-load

Nov 7 '17 at 19:52 Chupacabras 4,112

vote

answers

views

AC analysis of opamp loop in LTspice

operational-amplifier circuit-analysis ltspice stability dummy-load

Nov 7 '17 at 8:47 JosefC 61

votes

answer

views

Working Voltage for Basic/Reinforced Isolation (ACS712)

isolation current-sensing

Oct 6 at 11:10 Marcus Müller 41.5k

votes

answers

103

views

Is there a risk of 18650 li-ion battery explosion in a low current application?

lithium-ion safety

Jun 13 at 9:04 Bimpelrekkie 59.7k

votes

answers

views

Dual N-channel mosfet Rdson value

mosfet lithium-ion protection rdson

Jun 5 at 8:11 Chupacabras 4,112

votes

answer

358

views

Problem with accuracy of AD633 multiplier

multiplier precision tolerance

Mar 8 at 8:37 Bhanu 2043 1

votes

answers

327

views

LDO with tantalums and circuit with ceramic bypass capacitors

ldo stability bypass-capacitor ceramic tantalum

Feb 18 at 1:27 A. Genchev 1

votes

answer

845

views

Use RMS or peak value of current for transformer selection

current transformer bridge-rectifier

Dec 14 '17 at 11:08 Neil_UK 87.9k

votes

answers

210

views

The precision of internal voltage reference in PIC

pic precision reference

Nov 21 '16 at 22:32 Chupacabras 4,112

-2

votes

answer

512

views

Advantages of 7400 series ICs over diode logic?

digital-logic diodes 7400

Jan 29 '17 at 23:58 Nick Alexeev♦ 33.6k

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26 Questions

How to combat noise from my circuit polluting my 12V rail?

Accuracy of a multimeter over 10 years period

Difference between [W] and [WS] power rating of resistors

Dave Jones's uCurrent - oscillations

Is a snubber for transformer primary winding necessary?

Strange oscillations with TL431 voltage reference

Why is this switching transistor heating up?

How to filter noise from fan

Is this 400V capacitor rating for DC or AC?

Why multiple bias voltages are required to drive LCD?

Spike in current limiter

Is this capacitor suitable for boost converter (low ESR)?

Triac dimmer makes audible noise (hum or buzz)

Linear power supply and mains filtering and protection

Value of 5-band resistor (current sense)

4-wire voltage sensing for DC load

Problem with opamp stability in DC load

AC analysis of opamp loop in LTspice

Working Voltage for Basic/Reinforced Isolation (ACS712)

Is there a risk of 18650 li-ion battery explosion in a low current application?

Dual N-channel mosfet Rdson value

Problem with accuracy of AD633 multiplier

LDO with tantalums and circuit with ceramic bypass capacitors

Use RMS or peak value of current for transformer selection

The precision of internal voltage reference in PIC

Advantages of 7400 series ICs over diode logic?