[aprssig] NE567 tone detector (help)

John Mc Hugh johnk.mchugh at att.net
Wed Dec 14 10:56:37 EST 2005


>
>
>>>>John Magliacane <kd2bd at yahoo.com> 12/13/05 5:23 PM >>>
>>>>        
>>>>
>>For the LM567, it is.  I think the CMOS version runs
>>the VCO at twice the detection frequency.
>>

What is the CMOS version part number?

John, K4AG





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