User jwh20

45 votes

Accepted

Scam? Does having this capacitor wired as shown provide any surge protection?

answered Jan 25 at 16:14

25 votes

Accepted

Do electrons actually jump across contacts?

circuit-analysis current

answered Jan 19, 2021 at 22:13

25 votes

Why did USB win out over parallel interfaces?

usb interface

answered Feb 23, 2021 at 11:26

24 votes

Do circuit breakers trip on Apparent or True Power?

circuit-breaker apparent-power real-power

answered Feb 19, 2021 at 13:35

19 votes

How do you store ICs used in hobby electronics?

integrated-circuit storage hobbyist

answered Feb 16, 2021 at 13:53

18 votes

Accepted

Why do many old ceramic packages have a gold line?

packages

answered Oct 18, 2021 at 19:58

15 votes

Under what circumstances can an FPGA or microcontroller PCB be designed to only have two layers?

microcontroller pcb-design fpga

answered Aug 6, 2021 at 15:10

15 votes

How hot is too hot for a transformer?

transformer

answered Jan 28, 2021 at 12:24

15 votes

Can an inverter through a battery charger charge its own batteries?

batteries inverter dynamo

answered Mar 9, 2021 at 12:05

14 votes

Is AM radio louder the closer you are to the transmitter?

rf antenna radio am

answered Feb 17 at 19:21

14 votes

Can ESP32 be used in a commercial application?

stm32 microprocessor esp32

answered Mar 24 at 14:41

12 votes

Accepted

Why is the fuse connected to the live wire?

ac fuses neutral

answered Oct 21, 2021 at 1:09

11 votes

Accepted

Why is oxide an insulator?

mosfet

answered Nov 14, 2021 at 13:45

10 votes

Accepted

Why did this fog lamp turn on with either configuration of power/ground?

short-circuit light

answered Feb 7 at 17:46

10 votes

What is this Z symbol on the PCB?

pcb inverter symbol

answered Mar 8 at 14:59

9 votes

What is the meaning of the following statement regarding Zener diode addition at the output of a voltage regulator?

power-supply voltage-regulator zener linear-regulator

answered Mar 9 at 13:31

9 votes

An intuitive interpretation of Negative voltage

circuit-analysis

answered Feb 24, 2021 at 20:00

9 votes

How can a transistor amplify current in a circuit?

transistors

answered Mar 1, 2021 at 12:51

8 votes

Why do some microcontrollers have numerous oscillators (and what are their functions)?

oscillator arm clock datasheet

answered Jan 15, 2021 at 14:20

8 votes

Can an oscilloscope be used as an EKG?

oscilloscope measurement biopotential

answered Sep 21, 2021 at 17:29

7 votes

What happens if you connect a galvanometer to an AC source?

ac galvanometer thought-experiment

answered Nov 16, 2021 at 18:10

7 votes

Accepted

CKT Abbreviation

symbol

answered Feb 19, 2021 at 13:04

7 votes

How does this "CD4069 smooth bargraph" work?

logic-gates

answered Feb 20, 2021 at 18:10

7 votes

How much can I push the limits of a device's VDD?

power-supply voltage integrated-circuit

answered Apr 5, 2021 at 15:06

6 votes

What is the "collector light current" of a phototransistor and how does it relate to the collector current?

transistors led phototransistor photosensor

answered Apr 1, 2021 at 10:16

6 votes

Should I buy a diode with higher maximum ratings if it costs the same?

power-supply diodes dc-motor rectifier surge-protection

answered Oct 15, 2020 at 20:10

5 votes

ddr3 content after intialization

memory xilinx sdram ddr3

answered Oct 12, 2020 at 15:31

5 votes

Accepted

Is it possible to change the reference clock in a cpu while it is running

cpu pll steady-state

answered Jan 7, 2021 at 13:01

5 votes

How to fix an N-channel MOSFET that's always on, without using resistors

voltage mosfet nmos

answered Jan 8, 2021 at 13:27

5 votes

What makes it hard to build a powerful RF transmitter?

rf radio transmitter diy

answered Jan 22, 2021 at 17:18

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199 Answers

Scam? Does having this capacitor wired as shown provide any surge protection?

Do electrons actually jump across contacts?

Why did USB win out over parallel interfaces?

Do circuit breakers trip on Apparent or True Power?

How do you store ICs used in hobby electronics?

Why do many old ceramic packages have a gold line?

Under what circumstances can an FPGA or microcontroller PCB be designed to only have two layers?

How hot is too hot for a transformer?

Can an inverter through a battery charger charge its own batteries?

Is AM radio louder the closer you are to the transmitter?

Can ESP32 be used in a commercial application?

Why is the fuse connected to the live wire?

Why is oxide an insulator?

Why did this fog lamp turn on with either configuration of power/ground?

What is this Z symbol on the PCB?

What is the meaning of the following statement regarding Zener diode addition at the output of a voltage regulator?

An intuitive interpretation of Negative voltage

How can a transistor amplify current in a circuit?

Why do some microcontrollers have numerous oscillators (and what are their functions)?

Can an oscilloscope be used as an EKG?

What happens if you connect a galvanometer to an AC source?

CKT Abbreviation

How does this "CD4069 smooth bargraph" work?

How much can I push the limits of a device's VDD?

What is the "collector light current" of a phototransistor and how does it relate to the collector current?

Should I buy a diode with higher maximum ratings if it costs the same?

ddr3 content after intialization

Is it possible to change the reference clock in a cpu while it is running

How to fix an N-channel MOSFET that's always on, without using resistors

What makes it hard to build a powerful RF transmitter?