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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.

50%
+1 −1
pH Electrode Buffer - Offset when solution grounded

2 answers  ·  posted 10d ago by rherma‭  ·  last activity 3d ago by TonyStewart‭

70%
+5 −1
How do PLCs normally measure 4-20mA current loops?

3 answers  ·  posted 5mo ago by Lundin‭  ·  last activity 4d ago by KalleMP‭

75%
+4 −0
Can confusing the plugs for earphones and microphones do any damage?

2 answers  ·  posted 29d ago by celtschk‭  ·  last activity 12d ago by TonyStewart‭

62%
+3 −1
Power amplifier for remote controller

3 answers  ·  posted 27d ago by Stefan‭  ·  last activity 18d ago by Andy aka‭

80%
+6 −0
28%
+0 −3
Design high -pass filter with 2 points of the bode plot

3 answers  ·  posted 2mo ago by MissMulan‭  ·  last activity 1mo ago by LvW‭

77%
+5 −0
66%
+2 −0
Circuit which create ac sine wave from dc pulsed signal

2 answers  ·  posted 2mo ago by MissMulan‭  ·  last activity 2mo ago by TonyStewart‭

81%
+7 −0
Flyback transformer with Intrinsic Safety

3 answers  ·  posted 10mo ago by Olin Lathrop‭  ·  last activity 2mo ago by MathieuJohnson‭

71%
+3 −0
71%
+3 −0
Battery protection circuit

2 answers  ·  posted 2mo ago by Stefan‭  ·  edited 2mo ago by Stefan‭

71%
+3 −0
Altium. Reusing schematic symbols for pin-compatible parts.

1 answer  ·  posted 2mo ago by Nick Alexeev‭  ·  last activity 2mo ago by Mu3‭

33%
+0 −2
Op Amp Hartley oscillator

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

50%
+0 −0
Modelling tunnel diode relaxation oscillator

1 answer  ·  posted 2mo ago by MissMulan‭  ·  last activity 2mo ago by a concerned citizen‭

33%
+0 −2
77%
+5 −0
Siglent1104 oscilloscope channels lagging

3 answers  ·  posted 3mo ago by Elleanor Lopez‭  ·  last activity 2mo ago by Elleanor Lopez‭

50%
+0 −0
50%
+0 −0
Complex frequency of a pole

3 answers  ·  posted 3mo ago by MissMulan‭  ·  last activity 3mo ago by Andy aka‭

50%
+0 −0
Effect of adding stages to a filter

2 answers  ·  posted 3mo ago by MissMulan‭  ·  last activity 3mo ago by a concerned citizen‭

27%
+1 −6
Identification of semiconducting electrical components

1 answer  ·  posted 7mo ago by MissMulan‭  ·  last activity 3mo ago by Jasen‭

66%
+4 −1
Mysterious little cases hanging on street wirings

3 answers  ·  posted 3mo ago by aditya98‭  ·  last activity 3mo ago by Jasen‭

71%
+3 −0
Limiting current to DC brushed motor

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

71%
+3 −0
H-Bridge components and calculations

1 answer  ·  posted 3mo ago by Stefan‭  ·  last activity 3mo ago by Stefan‭

42%
+1 −2
Find Q point in common base BJT configuration

1 answer  ·  posted 4mo ago by MissMulan‭  ·  last activity 3mo ago by Circuit fantasist‭

33%
+0 −2
66%
+4 −1
PCB ground planes with isolated voltage

3 answers  ·  posted 7mo ago by Alinik‭  ·  last activity 4mo ago by KalleMP‭

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

2 answers  ·  posted 4mo ago by kadamrohan16‭  ·  last activity 4mo ago by Olin Lathrop‭

77%
+5 −0
What is this fourth connection in NMOS device?

1 answer  ·  posted 5mo ago by NMOS lover‭  ·  last activity 5mo ago by Andy aka‭

50%
+3 −3
What reactance actually is?

4 answers  ·  posted 8mo ago by deleted user  ·  last activity 5mo ago by Andy aka‭

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

1 answer  ·  posted 7mo ago by DeadMouse‭  ·  last activity 5mo ago by Olin Lathrop‭

66%
+2 −0
Level shifting of a 3 state logic pin

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

77%
+5 −0
71%
+3 −0
Oscilloscope potentially ESD striked

2 answers  ·  posted 6mo ago by ScopeMan‭  ·  edited 6mo ago by Lundin‭

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

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

40%
+0 −1
SMPS Requirements [closed]

0 answers  ·  posted 7mo ago by Sye‭  ·  closed 7mo ago by Olin Lathrop‭

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

4 answers  ·  posted 8mo ago by Lundin‭  ·  last activity 7mo ago by Nick Alexeev‭

71%
+3 −0
Case temperature of MOSFET

1 answer  ·  posted 7mo ago by Carl‭  ·  edited 7mo ago by Olin Lathrop‭

66%
+4 −1
How to choose the right value for input voltage ripple of an SMPS?

1 answer  ·  posted 7mo ago by 2kind‭  ·  last activity 7mo ago by Olin Lathrop‭

83%
+8 −0

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