Malvineous's user avatar
Malvineous's user avatar
Malvineous's user avatar
Malvineous
  • Member for 14 years
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43 votes
4 answers
48k views

Can somebody explain what IQ (quadrature) means in terms of SDR?

17 votes
2 answers
3k views

How might you use a LiPo battery as backup for mains power loss?

12 votes
2 answers
4k views

What is the plastic keying filler called for IDC/Dupont connectors?

10 votes
3 answers
3k views

What is this plastic chip packing material called?

7 votes
3 answers
1k views

Is information lost when you downconvert an RF frequency?

7 votes
2 answers
2k views

Understanding 74LVC245 datasheet and current source/sink

5 votes
3 answers
302 views

Capturing mains AC waveform with audio recording device

4 votes
1 answer
4k views

What kind of spade connector is this?

3 votes
1 answer
1k views

What is the boxy plastic housing around spade connectors called?

3 votes
1 answer
9k views

Are USB hubs that backfeed power upstream bad?

2 votes
1 answer
4k views

Modern replacements for old DRAM memory chips

2 votes
1 answer
1k views

Can't get DS1077 programmable oscillator to work

2 votes
1 answer
1k views

What governs the output voltage of a three-phase generator?

2 votes
2 answers
99 views

How to level shift bidirectionally with a high impedance output state?

1 vote
1 answer
123 views

Does a 48 VDC system need to be grounded for lightning protection?

1 vote
3 answers
2k views

Can grid-tie inverters charge UPS batteries if connected to the UPS output?

1 vote
2 answers
990 views

Does a 3-phase VFD work if one phase is reduced (e.g. with a dimmer)?

0 votes
1 answer
1k views

Can a Variac be modified to output higher voltages?

0 votes
3 answers
995 views

Can a single phase SMPS be converted to run from three phase?

0 votes
0 answers
92 views

Feeding grid transformers via secondary, primary disconnected

0 votes
1 answer
167 views

What is the name of this 1.25mm pitch 2x5-pin connector?

0 votes
1 answer
764 views

How does noise affect an unbalanced signal on a balanced cable?