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frecuency level display
frecuency level display
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Old 2nd June 2006, 04:24 PM   #1
glazarou is offline glazarou  Greece
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Default frecuency level display

i want to display all the level of all the frecuences with leds.something like the display at a car stereo.can i find a chip to do this?
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Old 10th June 2006, 03:54 AM   #2
dangus is offline dangus  Canada
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frecuency level display
Rohm had some chips that did this, although I think only over a limited number of frequency bands.
Vellemann probably has a kit, and surely Elektor or ELV has published plans for such a thing at some time. There were plans in an old Popular Electronics magazine from about 1977 that used quad opamps and multiplexed bar graph drivers to do a 10 band RTA.
It should be possible to do this in software with a PIC or Atmel microcontroller driving the display.
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Old 10th June 2006, 05:41 PM   #3
glazarou is offline glazarou  Greece
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Default FREACUENCY DISPLAY LEVEL

THANKS FOR THE HELP!!!
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