All Questions
203,195
questions
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Decoupling output of direct grid voltage class E amplifier
For a university project I'll implement some middle power (100 W) high frequency inverters (~500 kHz) with pulsed DC ~300 V DC output. The output current must be decoupled from the supplier grid due ...
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This is the delta to Y conversion related question, Find current I in the circuit [closed]
Plzz answer the question that I've asked related to Delta to Y conversion question and find current I in the circuit
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Is it possible to find a DC motors parameters with these data?
Source : Permanent Magnet DC Brush Motors Technical Data Sheet https://www.moog.com/content/dam/moog/literature/MCG/moc23series.pdf
I'm trying to find some constants such as the armature current, ...
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What is causing the spikes at the negative terminal of the opamp in response to the squarewave?
I have a simple inverting amplifier as following in which the input is a squarewave. By virtual short I expect node VF2 to be at 0V. But when I plot the voltage at VF2 I am seeing spikes that are in ...
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In a completely open AC circuit, without capacitive effects at the ends, what happens from the point of view of the current?
I know there are many ways to observe a small induced current in an open AC circuit, for example due to a capacitive effect in an open switch or due to the proximity of the two poles. But imagine this ...
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Assigning a footprint to LED symbol in Altium Designer
I'm trying to assign an LED footprint to an LED symbol but I don't know how to do it. I don't even know if this is what you would do if you wanted to make a PCB LED array but hopefully I'm on the ...
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Altium displays "inverted" colours on pcb
So im in a bit of a hurry for my next prototype and of course altium had to make it challenging
For some reason altium displays all colours on the pcb as inverted, with some exceptions notably the 3d ...
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How do RF broadcast towers switch so much power so quickly?
I believe a typical UHF TV single-channel broadcast radiates about 200 kW from one tower, which requires about 1000 kW of input power due to inefficiencies.
1000 kW all being delivered to a 50 \$\...
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Selection parameters for TFT Display? [closed]
I'm working on a project which has 7inch TFT Display how to I find perfect display for my project I have few requirements like
Display Interface: LVDS or MIPI DSI
Touch: Capacitive
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issues with mosfet module [closed]
This first mosfet switch turn on without input from esp32 . The switch is on condition default. While the pin pullup low.the output of mosfet connected to 1100gph bilge pump. The power source of ...
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Why the PMSM FOC control current loop sampling appears negative value?
I ported the code of simple FOC 1.6, and then wrote the current sampling code myself. When I used the current open-loop control, I set Uq = 0.5, but the sampled <...
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Single phase energy metter using hlw8012 with cts [closed]
Is you have hlw8012 schematic diagram with ct not 0.001 ohm resistor using esp32
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26
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Carry Save Multiplier Trouble
I am writing a carry-save multiplier in VHDL using Vivado. I am certain the logic in the carry_save_mult file produces the correct output but signals for a and b never seem to make it through the ...
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Rotary switch configuration
I have 6 power supplies that I need to select in 3 groups. Each of these 6 outputs will go to a different pin based on the group selected:
Let’s call them group A, B, & C.
And power supply 1-6.
...
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PHD ULTRA syringe pump communicate with Arduino
I have a PHD ULTRA syringe pump from Harvard Apparatus. I want to establish communication between an Arduino and the syringe pump. The company provided me with a Python code, but Arduino does not ...