Electrical Engineering Questions, Problems & Solutions : TransWikia.com ~ Page 46

ESD clamping voltage in SIMCard interface too high

I planned to use SIM868 and what makes me confused all this time while choosing ESD protection is the voltage after clamping the transient voltage, it is still way too...

Asked on 01/30/2021 by cbagusjk

1 answer

where is the /models folder in the eagle directory?

I am reading the EAGLE schematic to spice model tutorial here: https://www.autodesk.com/products/eagle/blog/spice-simulation-part-5-schematic-spice-mapping/ I got stuck on the section of loading a model from your computer: "... In...

Asked on 01/30/2021 by User2

0 answer

Crosstalk between transmission lines

I was reading these slides about crosstalk between transmission lines. At page 6 there is this circuital model to describe the effect of mutual coupling between these...

Asked on 01/30/2021 by Kinka-Byo

1 answer

SPDT Switch in Logisim

How do I implement an SPDT switch in Logisim? I need it for connecting 2 pins to ground but not at the same time....

Asked on 01/30/2021 by shriekyphantom

2 answer

STM32F4 SPI Tx Data Register Problem

I am trying to communicate with IS25LP128F Flash IC via SPI on STM32F407.Firstly, I tried to send RDID command as you see in the picture.Howto send commands and reading...

Asked on 01/30/2021 by IHK

0 answer

How to calculate small signal parameter for a BJT when early voltage is taken into consideration?

I have proved one formula of output impedancero = (Va+Vce)/Ic = Va/Ic' where Ic is collector current and Ic' is collector current neglecting early effect. But reading from...

Asked on 01/29/2021 by SUNITA GUPTA

1 answer

Raising Amperage

I am designing a DC circuit for my project and I have hit a brick wall that has got me stumped after hours of research. So far in this sheet...

Asked on 01/29/2021 by Terrel Ross

3 answer

How many 18650 cells in series for 48V Li-Ion pack

I'm looking at the Samsung 35e and trying to build a 48V pack. I'm trying to figure out how many I should put in series to get...

Asked on 01/29/2021 by fullyjosh

0 answer

How to design and implement a sequence detector

I have to implement a Moore machine that has an input L and an output Z. The input line L provides values of 1 and 0 as input, in a...

Asked on 01/29/2021 by andrei985

1 answer

Schematic for a lipo battery bleeder overcharge protector

OK, so I am building a 12v (really 11.1v) 10000mah lipo battery. I am going to use it on campouts to run things like 12v fans and car chargers and...

Asked on 01/28/2021 by Dylan 873

2 answer

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