Electronics Questions & Answers

RA4 of PIC16F648A output not as expected
RA4 of PIC16F648A output not as expected In the original design of a timer RA4 is used as an output pin. The condition...

Forward surge current  what this mean?
Forward surge current  what this mean? I am reading and studying data sheet of the semiconductor 1N4001 until 1N4007,...

Choosing appropriate capacitor value from ripple
Choosing appropriate capacitor value from ripple I have a Hbridge driving a 12V motor that at 100% duty cycle draws...

How to shift down a square wave at 0  5 V?
How to shift down a square wave at 0  5 V? I have a square wave that oscillates at 500 Hz from 12 to 14 V. I would like...

What current should I charge/discharge my 12V lead battery at?
What current should I charge/discharge my 12V lead battery at? Here are the specs listed on the battery:

How much DC voltage is needed to brake a 3 triphasic motor?
How much DC voltage is needed to brake a 3 triphasic motor? What would the nominal parameters of the bridge rectifier...

How to choose a properly rated power resistor for pulsed current?
How to choose a properly rated power resistor for pulsed current? Datasheets for power resistors typically provide a...

how do I change a Ultra High voltage AC currents frequency?
how do I change a Ultra High voltage AC currents frequency? I am currently making a theoretical tabletop particle...

Does such an eagle component exist?
Does such an eagle component exist? In a DIP IC, there are small spaces between each pad of the IC in which tracks...

Current Sensing with Differential Amplifier
Current Sensing with Differential Amplifier Hello, I have to use this circuit as part of a school project so I'm limited...

How to do a DC sweep on an oscilloscope?
How to do a DC sweep on an oscilloscope? I created the circuit for a project of mine on Orcad Capture (Pspice). I ran a...

reducing solar panel voltage[30 volts] where dc to dc regulator switchs off at 28 or above
reducing solar panel voltage[30 volts] where dc to dc regulator switchs off at 28 or above I have purchased a flexable...

LTSpice Simulation Problem  Controlled Rectifier Single Phase Dual Converter
LTSpice Simulation Problem  Controlled Rectifier Single Phase Dual Converter So I am having problems simulating a...

What places, or where Can i get a AC transformer that will Increase voltage too 150KV + from household power [closed]
What places, or where Can i get a AC transformer that will Increase voltage too 150KV + from household power [closed] I...

How much AH should my battery has for my sound system (3 Amplifiers)?
How much AH should my battery has for my sound system (3 Amplifiers)? I would like to know if I can mount my sound...

DC motor fails to operate at solar panel even though the voltage is correct
DC motor fails to operate at solar panel even though the voltage is correct I have several small (1.5  6V) DC motors....

paralel charging series output 18650
paralel charging series output 18650 So, i wanted to make something from my old laptop battery. i have 4 good 18650...

Design an op amp with gain of \$2\cdot V1+4\cdot V22\cdot V34\cdot V4\$
Design an op amp with gain of \$2\cdot V1+4\cdot V22\cdot V34\cdot V4\$ I was able to do the negative side of the op...

Turns for saturating a toroid at a particular frequency
Turns for saturating a toroid at a particular frequency I need to know the winding turns required to saturate a toroid...

is it safe to drive 8 ws2812b's from an arduino's 5v pin
is it safe to drive 8 ws2812b's from an arduino's 5v pin I am doing some light testing with a small 8 pixel...

How to calculate Resonance Frequency of Audio Speaker?
How to calculate Resonance Frequency of Audio Speaker? Okay so I searched all over the Web for the resonance frequency...

Troubles using a LowDropout Linear Regulator
Troubles using a LowDropout Linear Regulator I've designed a board, that includes a charging part : the problem that...

DC shunt motor losses
DC shunt motor losses Good morning I have been asked the question to name as many losses as you can in a DC shunt motor...

Mosfet operation wrt AC signals
Mosfet operation wrt AC signals I am trying to understand about the Mosfet operation. It would be great if someone could...

sample input signals and check their values VHDL
sample input signals and check their values VHDL I have 2 input signals  ID_1,ID_2 which sampled into id_vec . ......