Thank you, Derward. The LIST is sure a great place when you need help! I have learned a lot just by listening to what others say. Thanks to you and Vasile I have some direction to go in on this project. Regards Rich ----- Original Message ----- From: "w d myrick" To: "Microcontroller discussion list - Public." Cc: "Bob" Sent: Monday, June 05, 2006 10:22 AM Subject: Re: EE Spectrum Analyzer circuit > Rich, Look at this site it may help > you. > > http://www.science-workshop.com/ > > Derward Myrick > > ----- Original Message ----- > From: "Rich Graziano" > > To: "Microcontroller discussion list - > Public." > Sent: Monday, June 05, 2006 2:21 AM > Subject: Re: EE Spectrum Analyzer > circuit > > >> Thank you for the helpful information, > Vasile. I appreciate it. I do have >> a Hewlett Packard Spectrum analyzer, a > Tektronics Spectrum analyzer and >> another in my lab for actually looking > for harmonics, transients, etc. But >> I want to put one in an instrument I > am designing and I was hoping to find >> someone who has already designed and > built one as a guide line that I could >> follow. Thank you. You are the > recourse I was hoping for. I was hoping >> also to find some receiver components > and IF components to design into the >> overall circuit. I have see the front > end for receivers in small metal >> boxes in TVs and Radios. I built some > oscillators but the sinewave >> distorted over a range of 10MHz. I > think I need to readjust the LC ratios. >> That will probably lower the Q but it > may not matter if selective sharp >> resonance is not a factor. I find > that theory only works after you adjust >> it by trial and error and error and > error :-) >> I am very grateful for your help. You > have anticipated several of my >> questions. Thank you. >> Regards >> Rich > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist