Heathkit Frequency Counter IM-4100 30MHz 1975 test teardown (Motorola S-1357A)

wow works to 40MHz, its specification say : min 30MHz does really still hold :-) it is accurate to the last digit, so i am super happy about this one, a big thanks to Claus for this one. manual is now scanned and available at peel.dk look in the heathkit section, link here http://peel.dk/Archive/Heathkit/ YES this one was also rebranded by Motorola and called S-1357A See schematic it also say the motorola type number -- #oscilloscope #teardown #heathkit --- I use auto generated subs, so if you find errors worth fixing, please comment with the time in the video you saw the error, i will be happy to fix it. This also apply to the Danish version. -- (Thanks to all my Sponsors / Traders / Swappers / Sellers / Buyers, without your support and constant flow of cool items in/out, none of this would be possible)