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Randy
  • Member for 7 years, 8 months
  • Last seen more than a month ago
43 votes
9 answers
20k views

How to hold SMD parts in place while soldering?

43 votes
7 answers
27k views

What is the truth about 1.5 V "lithium" cells?

13 votes
1 answer
1k views

Will this passive non inverting anti-log circuit work?

9 votes
2 answers
5k views

Single point vs Ground plane, in audio OP AMP PCB layouts

8 votes
5 answers
7k views

Any downside to using a charge pump for an op-amp negative supply

7 votes
4 answers
11k views

To protect a LiPO cell from undervoltage, how low current is low enough?

5 votes
1 answer
108 views

How to properly select a transformer in terms of thermal rise

5 votes
2 answers
923 views

Help understanding/selecting SMPS to drive capacitive load

4 votes
3 answers
260 views

Is there an alternative economical low-voltage reference to a single cell?

4 votes
4 answers
306 views

Help understanding high \$V_F\$ ratings of Schottky diodes

3 votes
4 answers
1k views

Keeping SMD parts in place while soldering with paste and heat

3 votes
3 answers
871 views

How to minimize hash noise in amplifier mounted near boost regulator

3 votes
5 answers
2k views

When should an audio pre-amp use a differential input

2 votes
1 answer
970 views

Compromise needed combining virtual grounds

2 votes
2 answers
479 views

What OP AMP spec should I be checking to assure this behavior

2 votes
1 answer
2k views

OP-Amp self generated negative voltage from Charge Pump?

2 votes
0 answers
102 views

Is there any standard (or even a de-facto standard) for TRRS to USB? [duplicate]

1 vote
1 answer
62 views

Is thermally conductive epoxy needed if long settling time is acceptable?

1 vote
3 answers
3k views

OP-AMP Flip Flop start up predictability

1 vote
1 answer
875 views

Detecting whether a car is running

1 vote
4 answers
2k views

MOS FET reccomendations for a newbie

1 vote
2 answers
245 views

Proper or instinctive design choices for trimpot direction [closed]

1 vote
1 answer
2k views

Is mechanically switching SATA drive signals possible?

0 votes
1 answer
182 views

What is the optimal protection diode placement driving a relay

0 votes
1 answer
581 views

Need help choosing options for 12V supply from a Lithium-Ion battery

0 votes
3 answers
5k views

How to determine a capacitor value across a switch carrying DC