# Tagged Questions

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52 views

### Step voltage down via voltage divider, then grab original voltage output

I have a pressure sensor that takes 5v and outputs a voltage based on pressure, however the input that I read cannot exceed 1.8V due to limitations of the board that I am using. Thus I was wondering ...
43 views

### transfer function confusion

It has been said that Vout = Va/2 I'm not sure why this would be. Could someone please tell me why?
37 views

### Impedances to simplify RC circuit?

Suppose I am trying to solve the following circuit, where $V_i$ is the potential seen from the top branch to the bottom branch (which is 'grounded') and $V_o$ is the potential across $C_2$: ...
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### Cannot figure out resonance of an LRC circuit

this is my first time here, nice to meet you all. In one of my classes we are studying the resonance of an LRC Circuit where the C branch is in parallel with an RL branch. This circuit is driven by ...
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### LC circuit cut-off frequency with parallel C

I have to find a cut-off frequency for second order low pass filter consist of LC and RC as branch for the filter. as shown in the figure. Please can you tell me if I have to consider the capacitor in ...
155 views

### SPI between MCUs

As a newcomer to PIC programming, I am looking for some thoughts on how to implement SPI between a master and slave MCU the most efficient way. The purpose of this system is to provide an extremely ...
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### Transfer function high order filter

Hi I have tried to extract the transfer function of the filter above, as you see it a high order filter. I have combined the c1 in parallel with R & C2 then make a voltage divider in order to ...
61 views

### Identify DC motor parameters using Least Squares Estimator

I'm not new to the concept of Least Squares, however, I find it difficult to figure out how to make it identify the transfer function for my motor. I will have my input voltage and an optical encoder ...
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### Explanation of how to create circuit from transfer function

So I'm in this lab course that must be taken concurrently with the main upper div circuits class, but we were assigned a lab that our professor did not explain and that the lab manual does not explain....
223 views

### Wireless power transmission circuit component functions description

I came across this circuit diagram above and I want to implement it but I really need an explanation on the function of the components used in the circuit diagram especially RFC and the diodes (D1 and ...
750 views

### STM32: Saving 50Mbit/s data in sdram or sd card

Could STM32f429 save image data to sdram or sd card? Camera module outputs its data at a data rate of 50Mbit/s via 8 parallel ports. What I want to do is to save this data into the SDRAM or SD card as ...
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### Why am I getting an error in my transfer function?

I'm trying to solve part b here, and my transfer function is coming out as -1.25s/(s^2 + 2.05s + 1 instead of the given -1.25s/(s^2 + 1.6s + 1). Since there were no initial conditions, I just ...
212 views

### How to transfer electrical power from stationary to rotational part.that can be used for POV display?

I have been researching how to transfer electrical power from stationary to rotational part. Some of them showed the means by using slip spring rings like in this website http://www.luberth.com/...
186 views

### Why interfaces and buses gets faster with every version if they are physically the same?

An interface or computer expansion bus gets faster with every version eg. PCI express 1.0 is 4GB/sm, PCI express 2.0 is 8GB/s, PCI express 3.0 is 16GB/s. I understand that things like microprocessors ...
18k views

### Baud rate calculation

I have an exam tomorrow and I'm confused on the following question, that may be asked in the exam: One byte data with parity bit by using asynchronous serial transmission with two stop bits. For ...
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### Transferring arbitrary data via Bluetooth Smart (BLE) with nRF51

I was wondering if it was possible to send arbitrary packets of data over a Bluetooth Smart (Low Energy, 4.0) link from a nRF51 (Nordic Semi, BLE compliant SoC) to a phone? Also if you don't know the ...
2k views

### Low Voltage DC Automatic Transfer Switch

I am new to circuits and have a very basic knowledge, and am currently interested in building a simple circuit that would take 2 DC inputs each of 12V 1.5A and output 1 x 12V 1.5A input even if 1 of ...