Talk:Frequency counter

From Wikipedia, the free encyclopedia
Jump to: navigation, search
WikiProject Electronics (Rated Start-class)
WikiProject icon This article is part of WikiProject Electronics, an attempt to provide a standard approach to writing articles about electronics on Wikipedia. If you would like to participate, you can choose to edit the article attached to this page, or visit the project page, where you can join the project and see a list of open tasks. Leave messages at the project talk page
Start-Class article Start  This article has been rated as Start-Class on the project's quality scale.
 ???  This article has not yet received a rating on the project's importance scale.
 

Electronic tuner?[edit]

Hi. Are the "electronic tuners" used by musicians to tune instruments (like this one) examples of frequency counters, or are these tuners a different thing? Thanks. --Allen 01:08, 14 March 2006 (UTC)

They work on a different principle, in that internally they generate a set of reference tones corresponding to the tuned note, and mix this with the incoming signal in a quadrature detector. The output of this is a DC signal that corresponds to the frequency difference between the input and the ref tone, and is used to drive the meter. It's a lot simpler doing it this way than trying to actually count the incoming frequency, especially as musical instruments generate a lot of harmonics and simply counting might not work very well anyway. Graham 03:26, 14 March 2006 (UTC)
Thanks! I'll make a separate stub for these music tuners, then. --Allen 03:50, 14 March 2006 (UTC)