Tagged Questions
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votes
1answer
157 views
Digital Potentiometer
Okay so I am definitely not knowledgeable in electronics and need some help involving a digital potentiometer.
I would like to know how I would use the AD5121 digital potmeter.
Lets pretend I had ...
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votes
1answer
195 views
Problem Controlling Digital Potentiometer with Micro
I am trying to control a digital potentiometer with a PIC18F14K50 and am having a random problem (potentiometer not remembering correct value) when I power off then back on. The X9313 datasheet states ...
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2answers
256 views
Digital potentiometer size
I need to replace a 5k mechanical potentiometer with a digital one. The hang up is that it will have a maximum of 14V across it. That's too high for most digital pots on the market. The max current ...
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vote
1answer
238 views
How could I create a high-precision voltage with the atmega128?
In my solution i have to replace an 10 turn potentiometer ( 5 K Ohms ) with a digital circuit. the potentiometer is dividing a voltage between 4v to 21v. so it seems if i could generate a voltage ...
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votes
2answers
577 views
Where do I find USB controlled digital potentiometers sampling a wide array of values?
I am looking for a set of digitally usb-controllable potentiometers sample a range of resistances from 1 kilo-ohm up to 1 mega-ohm in ideally both linear and audio (logarithmic) taper. Here are some ...
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3answers
395 views
multi turn potentiometers to measure degrees
I want to display degrees in a seven segment display when rotate multi turn potentiometers.After rotating one round it should be reset to 0 degree.I can use A to D converter ICs.But how I give ...
0
votes
3answers
390 views
Using a digital potentiometer with a SMPS?
Is it possible to use a digital potentiometer with an SMPS, to adjust the voltage? I'm looking at one with a 2 MHz -3dB bandwidth. What does this mean for a 300 kHz switcher?
