Feb 5, 2003 #1 B beagle Newbie level 3 Joined Jan 9, 2003 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 38 I am looking for circuit for 5 KHz tone burst decoding, any input is welcome,
Feb 5, 2003 #2 J jzaghal Full Member level 2 Joined Jul 31, 2001 Messages 129 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,296 Activity points 956 Hi, I think you need a PLL !! Try looking at LM567 VCO chip and its applications. Bye.
Feb 5, 2003 #3 M MonkeyBusiness Member level 2 Joined Jan 16, 2003 Messages 42 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Location Israel Activity points 456 You can design a BPF for 5KHz, followed by a rectification circuit and a comparator. Whether this solution will work for you or not, depends on the type of background against which you are trying to detect the tone.
You can design a BPF for 5KHz, followed by a rectification circuit and a comparator. Whether this solution will work for you or not, depends on the type of background against which you are trying to detect the tone.