Electrical Engineering

62%

+3 −1

Mysterious little cases hanging on street wirings

2 answers · posted 7d ago by aditya98‭ · last activity 6d ago by Olin Lathrop‭

electrical electronics

71%

+3 −0

What effect will extreme temperatures have on impedance in a wire?

1 answer · posted 11d ago by Lundin‭ · last activity 10d ago by Olin Lathrop‭

impedance-matching Antenna RF Impedance coaxial

33%

+0 −2

Re model of transistor is the same in 2 different configuration

2 answers · posted 27d ago by MissMulan‭ · last activity 12d ago by LvW‭

voltage bjt current small-signal

66%

+4 −1

PCB ground planes with isolated voltage

3 answers · posted 4mo ago by Alinik‭ · last activity 21d ago by KalleMP‭

PCB grounding pcb-layout ground-plane

77%

+5 −0

Unexpected impedance spike when paralleling capacitors

3 answers · posted 27d ago by Elleanor Lopez‭ · last activity 25d ago by Andy aka‭

capacitor Impedance bypass-capacitor

40%

+0 −1

Find Q point in common base BJT configuration

0 answers · posted 27d ago by MissMulan‭ · edited 26d ago by MissMulan‭

voltage current iv load-line

71%

+3 −0

Thévenins Theorem for Transistor Circuit

2 answers · posted 1mo ago by kadamrohan16‭ · last activity 1mo ago by Olin Lathrop‭

Analog transistor bjt

66%

+4 −1

How do PLCs normally measure 4-20mA current loops?

2 answers · posted 2mo ago by Lundin‭ · last activity 1mo ago by KalleMP‭

plc current-loop

77%

+5 −0

What is this fourth connection in NMOS device?

1 answer · posted 2mo ago by NMOS lover‭ · last activity 1mo ago by Andy aka‭

NMOS

50%

+3 −3

What reactance actually is?

4 answers · posted 5mo ago by deleted user · last activity 2mo ago by Andy aka‭

ac-circuit reactance

80%

+6 −0

DAC controlled high side current source.

1 answer · posted 4mo ago by DeadMouse‭ · last activity 2mo ago by Olin Lathrop‭

MOSFET current-source dac opamp

66%

+2 −0

Level shifting of a 3 state logic pin

1 answer · posted 3mo ago by dekker‭ · last activity 3mo ago by Olin Lathrop‭

microcontroller digital

75%

+4 −0

When do I need to put anti-aliasing filter in front of SAR ADC?

2 answers · posted 3mo ago by 2kind‭ · last activity 3mo ago by TonyStewart‭

digital-filter adc low-pass-filter sar

71%

+3 −0

Oscilloscope potentially ESD striked

2 answers · posted 3mo ago by ScopeMan‭ · edited 3mo ago by Lundin‭

oscilloscope

66%

+4 −1

Duty cycle of buck-boost converter

2 answers · posted 4mo ago by Carl‭ · last activity 4mo ago by Olin Lathrop‭

buck-boost duty-cycle

27%

+1 −6

Identification of semiconducting electrical components

0 answers · posted 4mo ago by MissMulan‭

diode transistor identification pn

40%

+0 −1

SMPS Requirements [closed]

0 answers · posted 4mo ago by Sye‭ · closed 4mo ago by Olin Lathrop‭

power-supply smps actodc

72%

+6 −1

How to protect RF switches from ESD?

4 answers · posted 5mo ago by Lundin‭ · last activity 4mo ago by Nick Alexeev‭

RF esd rf-switch tvs

71%

+3 −0

Case temperature of MOSFET

1 answer · posted 4mo ago by Carl‭ · edited 4mo ago by Olin Lathrop‭

MOSFET power thermal

50%

+0 −0

How do "O-ring circuit" differ from an "ORing circuit" or "OR-ing circuit", or are they synonyms? [closed]

0 answers · posted 4mo ago by DavidCary‭ · closed 4mo ago by Olin Lathrop‭

diode Circuit power

66%

+4 −1

How to choose the right value for input voltage ripple of an SMPS?

1 answer · posted 4mo ago by 2kind‭ · last activity 4mo ago by Olin Lathrop‭

smps ripple

83%

+8 −0

Why are some PCB design software programs considered to be 'hobbyist' programs?

2 answers · posted 4mo ago by Wilkins Ticklebum‭ · last activity 4mo ago by Andy aka‭

software

77%

+5 −0

Press fit PCB receptacle for plated holes (Marked for non-plated holes)

1 answer · posted 4mo ago by Wilkins Ticklebum‭ · last activity 4mo ago by Olin Lathrop‭

PCB

50%

+2 −2

Inductance vs frequency

3 answers · posted 10mo ago by MissMulan‭ · last activity 4mo ago by coquelicot‭

frequency inductor

75%

+4 −0

PNP Darlington pair as a current limiter

1 answer · posted 5mo ago by kadamrohan16‭ · last activity 4mo ago by Olin Lathrop‭

power-supply Analog transistor Circuit bjt

81%

+7 −0

How long does it take for energy to propagate in a circuit?

5 answers · posted 7mo ago by Mu3‭ · last activity 4mo ago by coquelicot‭

power dc

75%

+4 −0

Why are there more N type than P type MOSFETs?

2 answers · posted 5mo ago by crusadEEr‭ · last activity 5mo ago by Olin Lathrop‭

MOSFET

66%

+2 −0

Flyback transformer for Vout > Vin

2 answers · posted 5mo ago by 2kind‭ · last activity 5mo ago by Andy aka‭

transformer flyback

33%

+0 −2

What happened to my headphones? [closed]

0 answers · posted 5mo ago by Headphone Jackson‭ · closed 5mo ago by Olin Lathrop‭

audio

66%

+2 −0

H(jω) does not exist for unstable systems, but we still use it when designing controllers - contradiction?

2 answers · posted 5mo ago by Carl‭ · last activity 5mo ago by a concerned citizen‭

signal-processing control system stability

66%

+4 −1

How to calculate the RC filter of a TXCO for a RFIC reference?

1 answer · posted 5mo ago by Lundin‭ · edited 5mo ago by Lundin‭

RF oscillator low-pass-filter

57%

+2 −1

Choosing Y value in photoresistor graph

1 answer · posted 5mo ago by MissMulan‭ · last activity 5mo ago by Olin Lathrop‭

current resistance dynamic-resistance photoresistor

28%

+0 −3

Electromagnetic induction

1 answer · posted 5mo ago by Voyager ll universe probe‭ · last activity 5mo ago by Olin Lathrop‭

alternating-current Antenna circuits

80%

+6 −0

Standardized schematic/layout file formats for PCB CAD tools?

1 answer · posted 5mo ago by Lundin‭ · last activity 5mo ago by Olin Lathrop‭

pcb-layout file-formats

77%

+5 −0

Location of AGC in a superheterodyne RX chain

0 answers · posted 6mo ago by Lundin‭

RF superheterodyne automatic-gain-control

77%

+5 −0

How do I design a flyback converter? What are the basics I should know?

2 answers · posted almost 2 years ago by Andy aka‭ · last activity 6mo ago by Andy aka‭

flyback-converter

77%

+5 −0

Why do large RAM chips not have a serial interface?

0 answers · posted 6mo ago by Keelan‭

microcontroller spi ram

22%

+0 −5

Why won't this Globe Electric Dimmable LED securely fit my IKEA November Lamp? [closed]

0 answers · posted 6mo ago by VLDR‭ · closed 6mo ago by Olin Lathrop‭

component-selection

75%

+4 −0

PCB Copper Layer Spacing & Voltage Rating

1 answer · posted 6mo ago by DavidE‭ · edited 6mo ago by Lundin‭

PCB pcb-layout Voltage-rating ipc

77%

+5 −0

Design considerations for a differential pair

1 answer · posted 6mo ago by DavidE‭ · last activity 6mo ago by Olin Lathrop‭

termination differential-pair

75%

+4 −0

Via on pad: acceptable or not?

1 answer · posted 6mo ago by Mu3‭ · last activity 6mo ago by Olin Lathrop‭

pcb-layout

28%

+0 −3

Phase shift between phase and line quantities [closed]

0 answers · posted 6mo ago by MissMulan‭ · closed 6mo ago by Olin Lathrop‭

ac-power 3-phase

37%

+1 −3

Bandwidth of serial signal

1 answer · posted 6mo ago by MissMulan‭ · last activity 6mo ago by Olin Lathrop‭

binary serial communication data

80%

+6 −0

Flyback transformer with Intrinsic Safety

2 answers · posted 7mo ago by Olin Lathrop‭ · edited 7mo ago by Olin Lathrop‭

flyback-converter Intrinsic-Safety

42%

+1 −2

Splitting of message inside the layers [closed]

0 answers · posted 7mo ago by MissMulan‭ · closed 7mo ago by Nick Alexeev‭

protocol network

83%

+8 −0

208VAC triple-phase to single-phase conversion

2 answers · posted 7mo ago by cosined‭ · last activity 7mo ago by Andy aka‭

transformer ac ac-power

75%

+4 −0

ESD USB Shield Connection & Filtering

4 answers · posted over 1 year ago by leroy105‭ · last activity 7mo ago by Pete W‭

esd-protection esd usb

60%

+1 −0

Asynchronous connection question

2 answers · posted 7mo ago by MissMulan‭ · last activity 7mo ago by Olin Lathrop‭

digital serial communication asynchronous

50%

+0 −0

What is minimum resolution here?

1 answer · posted 8mo ago by MissMulan‭ · last activity 7mo ago by dsr‭

voltage accuracy current multimeter

71%

+3 −0

Flyback converter design

2 answers · posted 7mo ago by Sriram14‭ · last activity 7mo ago by Olin Lathrop‭

smps dc-dc

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