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Electrical Engineering : Recent Questions and Answers (Page 57)

Find answers to your questions about Electrical Engineering or help others by answering their Electrical Engineering questions.

ADS Interdigital stripline filter

I am designing a stripline filter with ADS and I am interested into the interdigital structure. It seems that ADS only has SCLIN component for coupled edge structure, which is...

Asked on 12/19/2020 by simo-zz

0 answer

Preventing long-press button function on DFPlayer board

I'm using DFPlayer in stand-alone mode (no Arduino) for a music project. The buttons all have short-press and long-press commands. I want to trigger a short-press command by releasing a...

Asked on 12/19/2020 by Michael Reilly

1 answer

How adding a capacitor reduces the signal gain to 1 in an op-amp?

Here I can't understand how adding a capacitor reduces the signal gain to 1? ...

Asked on 12/18/2020 by Srikrishna Jana

1 answer

Half-wave rectifier with resistor and inductor load

I am studying a half-wave rectifier with a resistor and inductor load. It is commonly taught that the diode conducts when it is forward biased- that is, the anode...

Asked on 12/18/2020 by edwin vargas

2 answer

Sprintf() function bricked Arduino Nano?

I am using an Arduino Nano clone to program and use a small I2C, SH1106 OLED. While trying to create a function to give me the length of a char*...

Asked on 12/18/2020 by Dragos Spiridon

2 answer

Regarding plugging operations

For an induction motor that runs with negative slip value, is it true that the plugging operation occurs when an induction motor runs with negative slip value?...

Asked on 12/18/2020 by Kamola

1 answer

Head to tail transistor pair, not a Darlington pair, not a Szlikai Darlington

I recently reversed engineered a discrete voltage regulator from a board that was performing quite well, and I stumbled upon a weird transistor pair circuit. ...

Asked on 12/18/2020 by Tioneb

1 answer

Debugging Signal Distortion/Oscillation

Finally built up the circuit below that I've been designing/toying with in LTSpice and its working OK but I'm wondering if an experienced eye might be able to quickly label...

Asked on 12/18/2020 by Cdevelop

1 answer

How to avoid input floating ports on a microcontroller?

I have 16-bit Thunderbird12 Microcontroller, similar to the Freescale 68HC12. I'm currently working on a project to monitor and control the level of water. Everything is...

Asked on 12/18/2020 by Dean

4 answer

Measure voltage of motorcycle battery which varying voltage

I want to measure the voltage of my motorcycle battery using an microcontroller (ST32F401CE). The voltage from the battery is not a static value, since when riding, it'll be (according...

Asked on 12/17/2020 by Cremus

2 answer

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