Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [parallel]

More than one of a thing, performing the same task simultaneously

0
votes
1answer
35 views

Parallel AC Sources

Hello. I am new to electricity. I currently have 3 DC-AC inverter to drive 3 EL Wires(electroluminescent). The input of the inverter will be 12VDC and the output will be 90VAC. I would like to ask ...
0
votes
1answer
52 views

Paralleling Multibit current DAC: Improving Accuracy by Averaging

No doubt that if I put in parallel n DACs, multibit (i.e. 16 bit) current output R2R ladder chips, I get n-times higher current at the summing node and the output impedance is also reduced by "n". ...
1
vote
2answers
85 views

Different voltage sources in parallel

I realize connecting two different voltage sources in parallel is a contradiction (in an ideal circuit). But if I were to connect this in practice and measure the voltage across points A and B, what ...
0
votes
0answers
4 views

SLVS/Parallel bridge & sync to CSI-2

I am going to make two prototype boards with the same functionality but using different components. This board will most likely use the OnSemi AR0237 or the OnSemi AR0330. I want to bridge and sync ...
1
vote
1answer
88 views

Resistors in series and parallel conundrum

Three resistors of some resistance (ohms) are put in series and the measured total resistance is 24 ohm. Now, if the same three resistors are connected in parallel to each other and the total ...
0
votes
0answers
49 views

connecting three batteries together

I have a scenario of connecting three batteries together. Two are 12V 80 AH and one is 12V 150AH . All are C20. I wish to make it a 24V system of 150AH by connecting the two 80AHs in parallel which ...
1
vote
3answers
60 views

Connecting transformers in parallel.Will this be a problem?

I am creating a power supply as a small project. I am planning on using two transformers (in parallel) to create a positive rail and a negative rail. Will this cause a problem ? I have researched ...
0
votes
3answers
50 views

LED series-parallel and parallel-series combination circuit

I'm designing some LED strips to use to grow plants along a long wall. There will be hundreds of LEDs run by a constant-current high quality LED driver (Meanwell brand or similar). All the commercial ...
1
vote
3answers
98 views

Calculating rolling sum of array

I am trying to implement a rolling average of an array of 12 bit samples in SystemVerilog. New samples are generated and shift into an array via a clocked flip flop. The goal is to have a register ...
2
votes
1answer
70 views

Interfacing 16-bit SRAM/MRAM with Arduino Mega

I a looking to interface a MR2A16A 4Mb 16-bit MRAM with an Arduino Mega. I am new to interfacing with memory chips and would like some advice from someone more experienced than myself. I am not ...
3
votes
1answer
235 views

Parallel Power Supplies with Ideal Diodes

I'm working on a project that operates at 5v - and can draw UP to 10 amps. Under normal conditions, it won't be doing that - probably closer to 3 amps, and (if configured for low-power) only 450mA or ...
1
vote
1answer
37 views

Finding Norton voltage and resistance and max power

My directions for this problem are to find the power delivered when RL=3 and then find the maximum power. simulate this circuit – Schematic created using CircuitLab I found Rth = R1//R2 = 1 ...
0
votes
2answers
93 views

Thevenins Theorem

Can someone please help, I'm struggling with this circuit. I don't quite understand what I need to do, mainly with whats series and parallel. My tutor is not helpfull in the slightest! He' only given ...
0
votes
0answers
7 views

Series + Parallel Custom Lipo Cell Charging Options

I have a custom LiPo cell, made up of 8x 11.1V 2200 mAh 30C bats. They are wired in pairs in series, and then all four ensuing sets are connected in parallel, to form a 22.2V 8800 mAh battery. I am ...
2
votes
2answers
63 views

What is the difference between these two battery setups in parallel?

I have a couple of batteries with original main feeds connected to them. I want to add another battery in parallel, without touching the main feeds. Setup 1 in the image below shows the current setup,...
0
votes
1answer
37 views

Connect two different LiPo batteries in parallel

I am working on a device which needs 1000 mA current at any time. Due to space constraints, I forced to use two different size and capacity battery from the same manufacturer. One is of 270 mAh and ...
0
votes
1answer
64 views

There is no math for adding the functions of two parallel filters. Or is it?

I want to add two "parallel" functions. Each of them describes the frequency response of that individual filter. Put in other words, I want to see what the frequency response looks like when the two ...
1
vote
2answers
57 views

Possibilities for 24v Solar charging of 12v batteries in series and parallel with different Ah capacities

I have two 12 volt 200Ah lead acid batteries and two 12 volt 150 Ah lead-acid batteries. I have a 24 volt 50 Amp charge controller connected to a 150 watt PV panel (overkill for now, but ready for ...
-2
votes
3answers
142 views

Resistor network - how do I reduce this?

How do I find the value of this resistor network. Is the 10 ohm resistor in parallel with the 20 ohm resistor? Is the 16 ohm resistor in parallel with the 5 and 20 ohm resistors in series? I can't ...
0
votes
0answers
41 views

How to find the effective resistance across the points A and B here?

I had to draw the circuit and take a picture of it as I am not very educated with circuit drawing software. The circuit consists of 5 resistors with their respective resistances written beside them. ...
1
vote
1answer
54 views

What to consider when powering multiple devices in parallel?

Briefly about my background, which might inform the question. I'm currently self-educating myself on some electrical engineering on-the-job. I'm learning from Art of Electronics and some other ...
0
votes
1answer
36 views

Which AGM battery terminals should be used when wiring 3 or more batteries in parallel?

With a 12V AGM battery bank of 3 or more batteries wired in parallel, is charge able to be drawn by attaching to any random positive and negative terminal across the battery bank? Is it optimal to ...
2
votes
0answers
27 views

Startup and auxiliary/station transformer power parallel to bus

This question is in regard to switchyard/electrical distribution operations in a utility power plant. During a startup, the electric distribution system is lined up so that the startup transformers ...
2
votes
2answers
147 views

Why have an inductor between 2 parallel capacitors? (LED driver)

This is the driver for a LED Bulb. I don't understand why there is an inductor between the 2 capacitors C1 and C2? I understand that C1 and C2 are used to handle low frequency ripple and the noise. ...
0
votes
1answer
65 views

How do I combine 3 batteries in series and parallel with different outputs?

I'm looking to combine the 2 circuits shown in the picture below using a switch.(ON-OFF-ON) I would like to keep the 12V output seperate from the 24V output. This is to maximize efficiency when using ...
0
votes
1answer
66 views

Parallel LED not achieving expected current from 18650 battery pack and Boost converter

This is kinda a follow up to a previous question I asked here: Parallel 18650 battery pack voltage not stepping-up with Boost converter. Why? I have now added the correct boost converter to my 20 LED ...
1
vote
2answers
62 views

Paralleling output of multiple BLDC motors used as generators

First of all, I apologize for anything stupid I say as I am not yet well versed in the proper technical terms and schematics. I wish to use several identical BLDC motors that will be spun at the same ...
0
votes
3answers
26 views

Making a parallel connection = increasing the total current?

Considering the scheme below simulate this circuit – Schematic created using CircuitLab Am, I understand correct, in real life, if I will step-by-step add the parallel resistors, the total ...
5
votes
1answer
346 views

Temperature coefficient MOSFET vs. temperature coefficient of BJT

If you use transistors for an amplifier scheme, you want to make sure that when you parallel devices, you don't start to conduct more current if your transistors heat up. I know that when using ...
1
vote
3answers
134 views

What is this connection of resistors? Parallel or serial?

How i can simplify this electric circuit?
0
votes
2answers
95 views

Connecting the following structure of multipliers and adders in an elegant way in verilog

I am attempting to write a synthesizable verilog (or Systemverilog) module. I also want to make the modul parameterizable, which has presented a problem when trying to connect the following structure ...
0
votes
2answers
67 views

Treating Multiple CPU Cores as One

I recently took an undergrad computer architecture course and had a question about using multiple cores after seeing how dense the field of research is. I am thinking about a general idea of how many ...
6
votes
2answers
2k views

Two parallel wires with no resistance - why it's wrong?

I've built the scheme below in circuit simulator and it didn't work because of "wire loop" mistake. Why it's wrong? Why it's wrong physically? The simulator is falstad.com/circuit
0
votes
2answers
32 views

Lower wattage of IR bulbs permanently

I have two 90w/12v infrared IR bulbs which is put into a r7s sockets. From thes socket goes in total four wires which is connected to our power supply. We have set two of the wires in serial so they ...
5
votes
3answers
2k views

Is it true that on a modern processor, parallelism is possible on a single core?

Final Edit: I just realized that when use the word "parallelism", it's almost parallelism==ILP, I originally thought even a single instruction could be divided into ...
0
votes
1answer
88 views

How does distance between parallel batteries affect voltage drop/required wire thickness?

I'm looking to wire up an off-grid system. What I'm stuck on is battery placement. The likelihood is my batteries will need to be quite far apart (almost 2 metres). My question is how does this ...
1
vote
3answers
72 views

Parallel Capacitors

I have a power supply with two output capacitors in parallel. 16v 2700uf. Theoretically, couldn't they be replaced with one 16v or higher 5400uf or do they form some kind of quasi LC circuit via the ...
0
votes
4answers
92 views

Could we theoretically massively increase number of parallel computations (for some problems) by getting rid of cpu clocking?

CPU clocking involves making sure that each operation or part of an operation takes exactly a certain amount of time (the machine cycle time). One way to increase the efficiency of a cpu is by ...
0
votes
1answer
140 views

Auto Fuse Tap Parallel or Series

Am looking to use a fuse tap to run a dash cam. These are instructions https://www.lumision.com/wp-content/uploads/2015/09/Micro2-Fuse-Tap-Instructions-e1441486778366.jpg for a fuse tap and consistent ...
0
votes
1answer
41 views

In Parallel resonance circuit mentioned below, is current equal for Resistor and Inductor?

The parallel capacitor will have current leading voltage by 90°. In the case of Resistor and Inductor (which are in series with each other but they both are parallel to capacitor). Now, the upper half ...
0
votes
1answer
40 views

Series or parallel tank circuit?

The secondary of a transformer with a cap connected across it - should it be considered as a parallel tank circuit or a series one? It looks like parallel, but in reality the voltage rises on it when ...
1
vote
1answer
71 views

Using B0505 for connecting phone chargers in parallel

I am planning to charge four 18650 Li ion batteries that are connected to four TP4056 in parallel making 4 amps in total to charge them in their usual rate. I was thinking of connecting two 2 amp ...
1
vote
0answers
65 views

Parallel MOSFET Circuit Analysis

I'm solving part b of this question I started with the assumption that both MOSFETs were in saturation mode to simplify calculations, I then solved for the circuit, tested the assumption using vds, ...
0
votes
3answers
48 views

Total curent through two parallel resistors

voltage source- 5V This simulator shows that the curent in the left wire will be 10A, like sum of curents through two parallel resistors. Is it wrong?
0
votes
2answers
222 views

Question about hooking up two generators in parallel

So I read this question: Hooking two (gasoline) generators together to make 220VAC And it’s close to what I’m wanting to do but not quite. We had a power outage due to weather. I purchased a ...
0
votes
3answers
111 views

What exactly are low speed devices? [closed]

The definition of I2C is - "A multi-master multi-slave serial bus used for communication between low-speed devices". However, I have been searching the web for a concrete explanation for this but ...
0
votes
1answer
91 views

how to wire together multiple photoresistors to make one big sensor?

I'm using an esp32 dev board, and a bunch of 5v laser diode emitters pointed an equal number of photocell resistors across a plane. The goal is only to detect when any two or more beams break at the ...
1
vote
0answers
43 views

Sharing power between components in a Arduino circut

I am trying to power both an ultrasound sensor (HC-05) and an infrared sensor (FC-51) from Arduino's 5V pin, connected in parallel. The circuit is very primitive. When connected separately, both ...
2
votes
2answers
182 views

Parametric Equalizer with State Variable Filter

I'm new to this forum but hope to get some answers to a project I'm working on. I'm trying to build an parametric equalizer with several bands (5 Bass-Bands, 3 Middle-Bands, 3 High-Bands). In the ...
1
vote
1answer
103 views

MOSFETs in parallel for DC : two MOSFET altenatively ON/OFF to simulate DC?

In a previous question about using MOSFETs in parallel in DC operation to increase current, it was pointed out that MOSFETs do not like to be used in DC. It got me quite some headake to understand ...