It's PURPLE! Now I want to go find an R4B just so I can buy one. Where do you get purple boards made, Mike?
73 -Jim NU0C On Mon, 20 Jan 2014 14:16:28 -0500, Mike Bryce wrote: >Boys and girls > >Ive been working on a replacement calibrator for the drake R4b. This >calibrator will output 100, 50, and 25 kHz signals. You select the output with >a dip jumper. The output also pulses on and off, and again, you can turn that >off if you dont want it. > >it has the same footprint as the original, and all wiring plugs into it with a >MTA.100 header and plug. > >This project is about done. Im in the process of having a small run of pcbs >made. > >here is a link to some photos and scope traces of its output > > >http://theheathkitshop.com/downloads/Drake%20R4b%20calibrator/ > >Mike, wb8vge > -- Ham Radio NU0C Lincoln, Nebraska, U.S.S.A. TR7/RV7/R7A/L7, TR6/RV6, T4XC/R4C/L4B, NCL2000, SB104A, R390A, GT550A/RV550A, HyGain 3750, IBM PS/2 - all vintage, all the time! "Give a man a URL, and he will learn for an hour; teach him to Google, and he will learn for a lifetime." HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/ http://incolor.inetnebr.com/jshorney http://www.nebraskaghosts.org _______________________________________________ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
