Electrical Engineering Questions, Problems & Solutions : TransWikia.com ~ Page 55

Regarding Ferrite Bead

What is a ferrite bead? How is it different from an inductor? How is it rated? What are its important parameters? What allows me to chose between an inductor or...

Asked on 12/27/2020

3 answer

How to reduce measuring angle of JSN SR04T?

I wanted an waterproof ultrasonic sensor. So I used JSN-SR04T. But the problem is it has huge measuring angle(75%) which results in measuring obstacles which are not required. How can...

Asked on 12/27/2020 by user193395

3 answer

Battery failing. Oscilloscope?

The question is - is there an inexpensive oscilloscope I can use to measure DC voltage and current to see why my battery pack is failing to power a DSLR?...

Asked on 12/26/2020 by RadOD

2 answer

Component identification - MELF capacitor? inductor?

I opened a circa-2005 TV tuner VHF/UHF "can" from an 19" CRT Emerson TV and found these hollow MELF components. Can anyone identify what they are? They measure as capacitors...

Asked on 12/26/2020 by mcfudge

1 answer

Serial Port communication to PC troubleshooting

GOALThe goal is to bridge a serial port measurement device into a USB PL2303 device. Various degrees of success were observed and I hope the community can point me...

Asked on 12/26/2020

1 answer

N-channel mosfet turn constantly on after a while

Hi; N-channel mosfet (Q4) work fine for couple of time and suddenly turn on constantly. I changed Q4 multiple of...

Asked on 12/26/2020 by A.M.S

1 answer

Am I calculating battery life expectancy correctly for this RF receiver?

I have this RF remote/receiver. Though the manual says battery life for the receiver is at least 12 months, I easily get 2 years of operation on...

Asked on 12/23/2020 by WhiskerBiscuit

1 answer

FT232 Custom Display Name and Device Description

I have put a FTDI FT232RL onto a PCB to control a Microcontroller via USB. It's working fine. When I connect the board to my Windows 10 PC, the FT232RL...

Asked on 12/22/2020 by Radiofreak1041

1 answer

Altium won't let me move object to negative coordinates

I have imported a BRD document from Orcad to Altium. The origin is on the top left of the board and I can't move things or draw traces below or...

Asked on 12/22/2020 by mFeinstein

1 answer

Introducing SiPM Array to an Op-Amp

I'm working on a transimpedance amplifier circuit, but it appears that there are issues reading out a signal. The source is comprised of sixteen individual SiPMs in parallel with each...

Asked on 12/22/2020 by BestQualityVacuum

1 answer

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