frecuency level display - diyAudio
Go Back   Home > Forums > Design & Build > Equipment & Tools
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Equipment & Tools From test equipment to hand tools

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 1st June 2006, 06:02 PM   #1
diyAudio Member
glazarou's Avatar
Join Date: May 2006
Default frecuency level display

is there somebody who knows a way to make a frecuency level display?somebody to tell me a site to help me fo this?i have find a circuit with leds but i want to make a lot of levels to display all frecuency from 20hz to 20khz.
  Reply With Quote
Old 1st June 2006, 10:43 PM   #2
diyAudio Member
jackinnj's Avatar
Join Date: Apr 2002
Location: Llanddewi Brefi, NJ
do you want to display the frequency or the voltage at specific frequencies ???
  Reply With Quote
Old 1st June 2006, 11:59 PM   #3
diyAudio Member
Join Date: Nov 2004
Location: sk
Send a message via AIM to ocool_15 Send a message via Yahoo to ocool_15
I think you would build a VU meter, (look up a LM3915 IC) and just use a active bandpass in say 15 sets. Similar to an equalizer.
I'm not sure if there is an easier way.
  Reply With Quote
Old 2nd June 2006, 01:33 AM   #4
Ron E is offline Ron E  United States
diyAudio Member
Ron E's Avatar
Join Date: Jun 2002
Location: USA, MN
What you really want is an FFT analyser. Use your computer monitor and write or buy a computer program.....
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan
Armaments, universal debt, and planned obsolescence--those are the three pillars of Western prosperity. —Aldous Huxley
  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Read "volume" level and display remotely tlparker Parts 3 5th November 2006 08:24 AM
frecuency level display glazarou Equipment & Tools 2 10th June 2006 04:41 PM
High frecuency oscillation when moving volume pot pingfloid Tubes / Valves 43 20th April 2004 11:16 PM
Tweeter Resonance Frecuency Higo Multi-Way 2 6th August 2003 10:41 PM

New To Site? Need Help?

All times are GMT. The time now is 11:46 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright ©1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2