Can you do the programming? Bert Kehren In a message dated 1/13/2012 3:56:47 P.M. Eastern Standard Time, d...@montana.com writes:
I would just use a picaxe, has a simple to use IDE and several different sizes. No need for assembly, cheap enough for quasi-production. Don Chris Albertson > On Fri, Jan 13, 2012 at 3:19 AM, <ewkeh...@aol.com> wrote: >> What we know is that you can set the Rb in 7 E-13. Dithering would >> allow >> even closer setting, the question is what rate will the Rb accept with >> out >> loosing lock or deterioration of the performance. Some one should >> explore >> that. I am still waiting to se some aging. Taking the 10 MHz output >> and than >> use an analog loop and something like a Morion OCXO and you have the >> best of >> all. >> Digitally controlling the Rb will cut the cost of the control loop in >> half. >> For $10 in parts and a PC board for less than $10 using Shera like >> controller can be realized. What is needed is some one able to do the >> PIC. >> If some one is interested and able, please contact me off list. A low >> cost >> GPS or a 1 pps output of a Tbolt be perfect source. >> Bert Kehren > > Don't use a PIC for the prototype. A desktop PC could work as well > and everyone here already has one. Connect the FE5680 to the PC's > serial port and send commands to adjust it. The PC also needs to be > able to read a voltage. Many already have audio input with 24-bit > ADC chips. > > Later you can move the C code from the PC pretty much directly to an > AVR. PICs typically use assembly language, that is harder and limits > the number of people who can contribute changes to the code. But you > can start with a PC, maybe running Linux or BSD. > Chris Albertson > Redondo Beach, California > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > -- "Neither the voice of authority nor the weight of reason and argument are as significant as experiment, for thence comes quiet to the mind." R. Bacon "If you don't know what it is, don't poke it." Ghost in the Shell Dr. Don Latham AJ7LL Six Mile Systems LLP 17850 Six Mile Road POB 134 Huson, MT, 59846 VOX 406-626-4304 www.lightningforensics.com www.sixmilesystems.com _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
