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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.

60%
+1 −0
Unexpected phase shift in results

2 answers  ·  posted 4mo ago by MissMulan‭  ·  last activity 4mo ago by coquelicot‭

66%
+2 −0
50%
+1 −1
Current and voltage in AC circuits without impedance

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

60%
+1 −0
Contactor control - Higher voltage PWM

2 answers  ·  posted 4mo ago by 2kind‭  ·  last activity 4mo ago by coquelicot‭

75%
+4 −0
Capacitor ESR vs. Impedance

3 answers  ·  posted 5mo ago by 2kind‭  ·  last activity 5mo ago by TonyStewart‭

71%
+3 −0
Why are antenna PCB traces square instead of rounded?

2 answers  ·  posted 6mo ago by Kranulis‭  ·  last activity 6mo ago by TonyStewart‭

62%
+3 −1
Microwave oven interfering with WiFi on the 2.4GHz band

2 answers  ·  posted 12mo ago by Lundin‭  ·  last activity 6mo ago by TonyStewart‭

60%
+1 −0
Estimating the input capacitance of an BLDC motor controller

2 answers  ·  posted 6mo ago by 2kind‭  ·  last activity 6mo ago by TonyStewart‭

30%
+1 −5
Is this AD8307 fake?

1 answer  ·  posted 6mo ago by coquelicot‭  ·  edited 6mo ago by coquelicot‭

66%
+2 −0
66%
+2 −0
66%
+6 −2
Why is the resistance of water so high?

3 answers  ·  posted 6mo ago by Kranulis‭  ·  last activity 6mo ago by Olin Lathrop‭

75%
+4 −0
Can you call an IC pin 'N.C' if it has hidden functionality?

1 answer  ·  posted 7mo ago by Kranulis‭  ·  last activity 6mo ago by Olin Lathrop‭

IC
60%
+1 −0
Max V/Hz value for motor

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

83%
+8 −0
Why 3V3 instead of 3V?

2 answers  ·  posted 8mo ago by 2kind‭  ·  last activity 7mo ago by Mu3‭

66%
+2 −0
Is there a tool or trick for bending TO220 leads

1 answer  ·  posted 7mo ago by Pete W‭  ·  edited 7mo ago by Lundin‭

66%
+2 −0
Filter RF Harmonics With Additional PI Network

2 answers  ·  posted 7mo ago by leroy105‭  ·  last activity 7mo ago by leroy105‭

RF
66%
+2 −0
60%
+1 −0
Why is it is always power consumption or power delivered more in usage?

3 answers  ·  posted 7mo ago by aditya98‭  ·  last activity 7mo ago by Andy aka‭

60%
+1 −0
555 timer, PAM with digital signal

1 answer  ·  posted 7mo ago by mrwavelets‭  ·  last activity 7mo ago by coquelicot‭

71%
+3 −0
Isolated Digital Input - Overvoltage protection

3 answers  ·  posted 8mo ago by 2kind‭  ·  last activity 8mo ago by Olin Lathrop‭

71%
+3 −0
Measuring Input/Output Impedance with a VNA

1 answer  ·  posted 8mo ago by jm567‭  ·  last activity 8mo ago by coquelicot‭

50%
+0 −0
66%
+2 −0
66%
+2 −0
BLDC motor - initial rotor position

2 answers  ·  posted 9mo ago by 2kind‭  ·  last activity 9mo ago by KalleMP‭

71%
+3 −0
50%
+2 −2
Why does AC frequency affect my microwave's RPM?

1 answer  ·  posted 9mo ago by msh210‭  ·  last activity 9mo ago by Olin Lathrop‭

44%
+2 −3
Why isn't voltage of electric chair higher?

2 answers  ·  posted 9mo ago by Kranulis‭  ·  last activity 9mo ago by manassehkatz‭

75%
+4 −0
MOV vs TVS diode

2 answers  ·  posted 9mo ago by Pete W‭  ·  last activity 9mo ago by coquelicot‭

66%
+2 −0
PCT2075 temperature sensor accuracy

1 answer  ·  posted 9mo ago by Chupacabras‭  ·  last activity 9mo ago by Olin Lathrop‭

75%
+4 −0
What should be considered when picking a flyback diode?

2 answers  ·  posted 9mo ago by Lundin‭  ·  last activity 9mo ago by Olin Lathrop‭

66%
+2 −0
Cable loops between utility poles?

0 answers  ·  posted 10mo ago by Olin Lathrop‭  ·  edited 9mo ago by Olin Lathrop‭

71%
+3 −0
ESD USB Shield Connection & Filtering

4 answers  ·  posted 10mo ago by leroy105‭  ·  last activity 10mo ago by coquelicot‭

66%
+2 −0
Confused about the amplitude and shape of output voltage pulse

2 answers  ·  posted 10mo ago by Georgian‭  ·  last activity 10mo ago by coquelicot‭

71%
+3 −0
Is ESD overhyped?

5 answers  ·  posted 1y ago by aditya98‭  ·  last activity 10mo ago by mkeith‭

66%
+2 −0
CAN Bus - Internal Oscillator

3 answers  ·  posted 10mo ago by 2kind‭  ·  edited 10mo ago by Lundin‭

66%
+2 −0
Driving ADC with opamp with large rails

3 answers  ·  posted 10mo ago by z3333‭  ·  last activity 10mo ago by coquelicot‭

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