Here are two sites...... http://www.elexp.com/tst_fox.htm http://www.jdr.com/interact/item.asp?itemno=gr-fox-hound Rick Nelson Hochberg wrote: > Okay, I'm sure this was covered in Elect 101 while I was sleeping (which > was most of the time since I thought the whole class was a review) but what > is a fox/hound? > > > I had a friend that worked for the local phone company. He lent me his > > fox/hound and I reversed engineered it. Here is the hound........ > > (Fox is > > also available if you need it.) > > Rick > > > > Chris Wheeler wrote: > > > > > I just bought a kit to make my own F-Set, and I am having problems with > > > the > > > probe. > > > > > > Its basicly a 2N5484 FET followed by a bc549 feeding a LM386 amp which > > > detects the signal radiated by a tone generator based on a pair of 555s. > > > > > > Does anyone have or know where I can look at a circuit diagram for a > > > similar > > > product? > > > The kit has only a circuit diagram which does not match the parts or the > > > PCB. Foolishly I assembled it by following the PCB, which may or may > > > not be > > > correct. > > > > > > -- > > > CW. > > > > > > -- > > > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > > > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body