User Joe

1 vote

1 answer

90 views

Order of pins for AC mains connection to PCBs

asked Apr 17 at 15:24

2 votes

3 answers

331 views

Using TO-92 package for high voltage applications

asked Mar 10 at 17:48

2 votes

1 answer

115 views

Apparent contradiction in op-amp datasheet

asked Mar 4 at 23:16

0 votes

1 answer

154 views

Understanding this MM/MC discrete phono stage

asked Nov 4, 2023 at 21:11

7 votes

2 answers

690 views

Understanding this linear series-pass regulator circuit

asked Oct 29, 2023 at 22:16

0 votes

0 answers

64 views

Inverting Arduino reset signal

asked Jun 17, 2023 at 0:24

0 votes

1 answer

29 views

switching multiple supply voltages on same low-side darlington array IC

asked Jun 16, 2023 at 1:13

0 votes

0 answers

108 views

Op-amp error amplifier protection in tube amp high-voltage shunt regulator

asked Aug 17, 2022 at 19:04

2 votes

0 answers

156 views

Weird NPN transistor symbol with a box connecting all three pins?

asked Jun 18, 2022 at 15:26

0 votes

0 answers

507 views

DIY transformer winding, "Light bulb test"

asked Jun 17, 2022 at 0:13

1 vote

1 answer

171 views

Point-to-point building of medium- frequency circuits, ground plane implementation

asked May 30, 2022 at 16:02

0 votes

1 answer

66 views

Interfacing LM3914 to CMOS logic circuitry

asked May 14, 2022 at 0:08

1 vote

2 answers

81 views

Looking for ideas for an automatic thread feeder

asked Jan 29, 2022 at 20:05

Stack Exchange Network

13 Questions

Order of pins for AC mains connection to PCBs

Using TO-92 package for high voltage applications

Apparent contradiction in op-amp datasheet

Understanding this MM/MC discrete phono stage

Understanding this linear series-pass regulator circuit

Inverting Arduino reset signal

switching multiple supply voltages on same low-side darlington array IC

Op-amp error amplifier protection in tube amp high-voltage shunt regulator

Weird NPN transistor symbol with a box connecting all three pins?

DIY transformer winding, "Light bulb test"

Point-to-point building of medium- frequency circuits, ground plane implementation

Interfacing LM3914 to CMOS logic circuitry

Looking for ideas for an automatic thread feeder