Mains Frequency Monitor circuit and explanation

Posted on Feb 5, 2014

Here is a simple frequency counter designed to monitor the 240VAC mains supply. It as a frequency range of 0-999Hz, so it could also be used with 400Hz equipment. Standard TTL/CMOS logic is employed for the counters and display drivers, while an ELM446 (IC1) generates accurate 1Hz pulses for gating. This device utilizes a 3. 579545MHz crystal for i

Mains Frequency Monitor circuit and explanation
Click here to download the full size of the above Circuit.

ts timebase, as commonly found in TV and video circuits and even on old PC motherboards. Disclaimer All files are found using legitimate search engine techniques. This site does not and will not condone hacking into sites to create the links it list. We will and do assume that all links found on the search engines we use are obtained in a legal manner and the webmasters are aware of the links listed on the search engines. If you find a URL that belongs to you, and you did not realize that it was "open to the public", please use the report button to notify the blogmaster of your request to remove it or it will remove within 24 hours. This is not an invitation for webblog haters to spam with requests to remove content they feel that is objectionable and or unacceptable. Proof of URL ownership is required. NOTICE: This Blog Has Already Been Reviewed And Accepted By Blogger. com

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    Nicad Battery Charger
    Sola Sound ToneBender
    RF amplifier circuit 1W 2.3GHz MRF2001
    Microphone Mute circuit
    how to make 18 led light chaser circuit
    1 watt PLL portable fm transmitter circuit