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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.

28%
+0 −3
Find feedback of circuit

2 answers  ·  posted 13d ago by MissMulan‭  ·  last activity 10d ago by LvW‭

75%
+4 −0
50%
+1 −1
Change of pins in monostable multivibrator

2 answers  ·  posted 1mo ago by MissMulan‭  ·  last activity 1mo ago by Circuit fantasist‭

60%
+1 −0
Adding resistance to varactor circuit

2 answers  ·  posted 2mo ago by MissMulan‭  ·  last activity 2mo ago by Andy aka‭

50%
+1 −1
Coupling of inductors

2 answers  ·  posted 2mo ago by MissMulan‭  ·  last activity 1mo ago by Andy aka‭

50%
+1 −1
Driving PMSM machine as an AC induction machine

1 answer  ·  posted 28d ago by 2kind‭  ·  last activity 26d ago by Olin Lathrop‭

50%
+1 −1
Inductance vs frequency

2 answers  ·  posted 1mo ago by MissMulan‭  ·  last activity 1mo ago by Andy aka‭

66%
+2 −0
Diodes used in mixers

2 answers  ·  posted 3mo ago by MissMulan‭  ·  edited 9d ago by Peter Mortensen‭

66%
+2 −0
Select resistor for a diode

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

60%
+1 −0
Voltage and Current of capacitor

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

28%
+0 −3
Electric circuit with antenna

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

60%
+1 −0
SPI modes difference

2 answers  ·  posted 2mo ago by FrankLEE‭  ·  last activity 2mo ago by DavidCary‭

spi
50%
+0 −0
3+3 doesn’t show 6

2 answers  ·  posted 2mo ago by MissMulan‭  ·  edited 9d ago by Peter Mortensen‭

71%
+3 −0
33%
+0 −2
Capacitance of inductor

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

66%
+2 −0
Diode like a frequency mixer

1 answer  ·  posted 2mo ago by MissMulan‭  ·  edited 2mo ago by MissMulan‭

30%
+1 −5
Is this AD8307 fake?

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

66%
+4 −1
Motor Controller - What might be the purpose of these resistors?

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

66%
+2 −0
Battery voltage: to boost or to connect in series.

1 answer  ·  posted 4mo ago by DSI‭  ·  last activity 3mo ago by Olin Lathrop‭

75%
+4 −0
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

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

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

RF
50%
+0 −0
60%
+1 −0
Division of binary numbers logic circuit

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

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
Unexpected phase shift in results

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

50%
+0 −0
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
Transformer - Vsec or Current rating parameter

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

57%
+2 −1
60%
+1 −0
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

66%
+2 −0
16%
+0 −8
HOW TO OPTIMIZE POWER USAGE FOR HOME [closed]

0 answers  ·  posted 3mo ago by ElectroRat‭  ·  edited 3mo ago by Olin Lathrop‭

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

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

57%
+2 −1
ESD Protection - Differential Amplifier

3 answers  ·  posted 12mo ago by 2kind‭  ·  last activity 12mo ago by Nick Alexeev‭

60%
+1 −0
60%
+1 −0
MOSFET not turning completely off

1 answer  ·  posted 1d ago by AhmedMobarez‭  ·  last activity 7h ago by Olin Lathrop‭

75%
+4 −0
MOV vs TVS diode

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

33%
+0 −2
Voltage of tank circuit is invalid

1 answer  ·  posted 3mo ago by MissMulan‭  ·  edited 9d ago by Lorenzo Donati‭

57%
+2 −1
66%
+2 −0

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