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Q&A

General Q&A about the design and function of electronic systems, electric power systems and infrastructure, their theory, and tools specific to those fields. Read these guidelines before posting.

62%
+3 −1
Mysterious little cases hanging on street wirings

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

40%
+0 −1
Find Q point in common base BJT configuration

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

77%
+5 −0
33%
+0 −2
71%
+3 −0
Thévenins Theorem for Transistor Circuit

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

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

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

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

75%
+4 −0
71%
+3 −0
Oscilloscope potentially ESD striked

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

66%
+4 −1
Duty cycle of buck-boost converter

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

80%
+6 −0
DAC controlled high side current source.

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

40%
+0 −1
SMPS Requirements [closed]

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

71%
+3 −0
Case temperature of MOSFET

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

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

66%
+4 −1
PCB ground planes with isolated voltage

3 answers  ·  posted 4mo ago by Alinik‭  ·  last activity 20d ago by KalleMP‭

83%
+8 −0
77%
+5 −0
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

33%
+0 −2
What happened to my headphones? [closed]

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

66%
+2 −0
Flyback transformer for Vout > Vin

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

75%
+4 −0
50%
+3 −3
What reactance actually is?

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

72%
+6 −1
How to protect RF switches from ESD?

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

66%
+4 −1
57%
+2 −1
28%
+0 −3
Electromagnetic induction

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

80%
+6 −0
75%
+4 −0
PCB Copper Layer Spacing & Voltage Rating

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

77%
+5 −0
Design considerations for a differential pair

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

75%
+4 −0
Via on pad: acceptable or not?

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

28%
+0 −3
37%
+1 −3
Bandwidth of serial signal

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

80%
+6 −0
42%
+1 −2
Splitting of message inside the layers [closed]

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

83%
+8 −0
208VAC triple-phase to single-phase conversion

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

60%
+1 −0
Asynchronous connection question

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

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

71%
+3 −0
Flyback converter design

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

50%
+0 −0
What is minimum resolution here?

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

60%
+1 −0
Resistance of digital ampmeter

2 answers  ·  posted 8mo ago by MissMulan‭  ·  edited 8mo ago by Canina‭

81%
+7 −0
Low-frequency PWM-controlled Mosfet heater circuit

2 answers  ·  posted 8mo ago by francesco‭  ·  last activity 8mo ago by Pete W‭

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