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iouzzr
  • Member for 10 years, 4 months
  • Last seen more than a month ago
  • Beijing, China
5 votes
2 answers
3k views

MOSFET controlled by optocoupler using Arduino

3 votes
1 answer
452 views

Single step debug and timer's counter value

2 votes
1 answer
283 views

VOH is lower than VIH

2 votes
4 answers
540 views

How to get a high precision sine wave not available from standard crystal?

2 votes
1 answer
716 views

large current through power mosfet in LTspice

2 votes
0 answers
108 views

what's wrong with my codec's op amp output?

1 vote
3 answers
814 views

logic gate's open drain output pulled to voltage higher than supply voltage

1 vote
2 answers
2k views

powering +5v device with usb and/or battery

1 vote
2 answers
2k views

Will the large gate current when turning on/off power mosfets with gate drivers cause problem to limited current power supply?

1 vote
1 answer
2k views

Power MUX for USB and AC adapter

1 vote
1 answer
112 views

Will the charging current decrease due to a higher input resistance?

0 votes
1 answer
418 views

Leakage current in UART RXD

0 votes
1 answer
128 views

Question about function generator's arbitrary waveform generation ability [closed]

0 votes
3 answers
505 views

Why a DC coupled sine input signal will make my biased emitter follower looks like unbiased in LTspice?

0 votes
1 answer
133 views

Is there a usb controller IC which give MCU USB capability?

0 votes
1 answer
945 views

How to build a FSK modulator and demodulator?

0 votes
1 answer
451 views

I have a not working LED driver IC

0 votes
1 answer
653 views

Receiving 27MHz wireless power

0 votes
0 answers
670 views

how to measure mosfet impedance in LTspice?

0 votes
2 answers
266 views

Will inverting amplifier's input impedance change if its output is saturated?

0 votes
3 answers
893 views

USB cable characteristic impedance

-2 votes
1 answer
954 views

got a too low VCE on a Infrared Phototransistor