How to control the output voltage back to 5 voltage via microcontroller?

Status
Not open for further replies.

Maverickmax

Advanced Member level 1
Joined
Dec 6, 2004
Messages
404
Helped
8
Reputation
16
Reaction score
3
Trophy points
1,298
Activity points
3,689
Hi

I am conducting a small experiment on my sine wave as my desired voltage is approximately 5V but the output voltage is roughly about 6 Volts so I would like to learn how to control the output voltage back to 5 Voltage via microcontroller. Unfortunately I have no knowledge of implementing control system

Any help would be indeed appreicated

Maverick Max
 

Control system

Describe what you are doing in more detail.
What circuit are you using to generate a sinewave?
 

Re: Control system

Hi

Im using my microcontroller chip to generate sine wave via capture compare unit but I use variable resistor to control the amplitude and the output voltage is connected back to my microcontroller chip so I need to know how to control amplitude automatically to meet the desired voltage.

MaverickMax
 

Re: Control system

use op-amp.. use 741..its cheap..
if ur required wave should vary from -5V to +Volt..then simply give biasing:
Vcc=+5 volt
Vee=-5 Volt

and set the unity gain...it will clip the uper edges..if it don't hurt ur requirement, then use this...
there must be much more easy choices..but in my mind clicked this one..


Regards
 

Status
Not open for further replies.

Similar threads

Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…