The reference tag has no wiki summary.
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0answers
44 views
Good books for understanding the Physics behind computers? [closed]
I'm looking for undergraduate-level books that explain the general Physics behind the basic components of a computer.
i.e. I want to be able to conceptually understand how flash storage works etc.
...
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1answer
60 views
Hardware reference design for a phone [closed]
I want to make a simple box with one button. Pressing the button will send a SMS Text message to a preprogrammed phone number.
I have not designed a phone hardware before so looking for some simple ...
0
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2answers
78 views
Can I adjust the volume of a DAC using PWM?
Here is a circuit that allegedly converts PWM into a precision voltage reference:
I am thinking about feeding that reference into the reference line on this MCP4921 DAC. My goal is to generate ...
0
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2answers
82 views
AD620 in-amp reference pin
I have a weighing scale project using a 200kg load cell with a rated output of 1mV/V. I used 5V as excitation voltage and an Ad620 in-amp for my amplifier. I only need atleast the 0-100kg so I only ...
0
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1answer
92 views
Precision voltage reference for load cell and ADC
I want to know what could I use to have a stable 5V excitation voltage for my load cell(wheatstone bridge) which I could also use to have a stable 5V reference voltage for my arduino adc. Would a ...
0
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0answers
52 views
Reference Current for many LED drivers
I am developing a project in which I need to control many LEDs simultaneously. Therefore, I am using many TLC5940PWP LED Drivers (which are driven themselves by small microcontrollers connected by an ...
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2answers
148 views
Eagle cad replace command using command line
I am using Eagle Cad and changed my libraries to another folder. I needed quicker access. Now I have to update my components in my schematic and wanted to use the replace command from the command ...
1
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0answers
69 views
Frequency locked loop for input jitter rejection
I have an application where I want to multiply from a xtal oscillator
at 32KHz to a system clock of 40MHz. A standard PLL isn't going to do the
job, because the 32KHz jitter is measured in ns. Since ...
0
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2answers
97 views
What should I use for a 3.3 voltage reference that sinks maximum of 1mA?
I am in search for stable and precise 3.3 voltage reference IC. I am using it for the temperature sensor application which only sinks 1mA at max. Can someone suggest me a best component/IC for this ...
0
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1answer
47 views
Using 2 terminal band gap voltage reference
Specifically, LM385.
Am I correct in assuming that a resistor is chosen to pass a current between 50uA to 10mA through the device from the PSU, and the reference voltage appears across the terminals?
0
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1answer
2k views
Measure resistance accurately with an arduino?
I'm looking at performing accurate temperature measurements with a three wire RTD, and I'd like to be able to measure the resistance and thus the temperature using an arduino. The accuracy I'm looking ...
-1
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1answer
225 views
Best electronics book for a physics graduate [closed]
I'm a physics graduate; I want to learn some electronics so I'm searching for a book which gives an fair overview of electronics (components, analog circuits, digital circuits...) suitable for me (not ...
1
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2answers
584 views
What is the data register address for GPIO pin 21 Cortex ARM M0?
I need to find data register address for GPIO pin 21 Cortex ARM M0?
I feel this question can need some background. I am learning embedded MCU programming and most sources mention that I need to find ...
1
vote
1answer
215 views
Ranges for ADC Reference Voltages
I am trying to select and ADC with single ended inputs which can input positive and negative voltages (around +500mV to -500mV). Due to the nature of the system I am selecting it for, the voltages ...
1
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1answer
201 views
What opamp characteristics for voltage reference
What opamp datasheet characteristics should i look for when choosing an op amp to proivide a reference voltage like in the following image?
0
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2answers
571 views
Problems solving strategies of experts in simple DC-circuit problems
There are many papers which study how students in high school and college think, when solving elementary DC-circuit problems. However I don't know any resources where the reasoning of experts is ...
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3answers
549 views
how voltage references work - LM336
In the datasheet for the LM336-5.0 5V reference it uses a 5k resistor fed by 10V. Am I correct in saying that I can give it 12V and it wouldn't matter as long as the current is limited to less than ...
3
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2answers
856 views
Which standard dictates how reference designations should be formed in the EU?
I'm studying electronics in college (I live in Europe), and they are teaching us we should form our reference designations of elements when designing a circuit as according to EN 81346.
This seems ...
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3answers
318 views
Obtaining a -3.3v with +3.3v and ground
I have a +3.3V supply and ground through usb on a board. I want to get a -3.3v supply from it for giving reference to an adc. Do you know how to do it?
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2answers
2k views
References with explanations of how works CORDIC algorithm for division
Does anyone know any available reference to learn how works CORDIC algorithm to implement a division?
3
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1answer
170 views
3V ±0.1% reference
I've been looking for a 3V ±0.1% reference in a SOT-23 package to replace my current ±0.5% solution of a TL431 and about 5 passive 0603 components.
At the moment I've found LM4040A30 which is $1 at ...
