Re: [neonixie-l] Heathkit GC-1093...(it glows orange..)

2021-02-09 Thread gregebert
Before delving into expensive replacement, have you done enough troubleshooting to confirm the driver IC is bad ? Those devices are pretty robust, and because they are bipolar (not CMOS), they are not susceptible to ESD damage. You would have to have a rather disastrous event to zap the

Re: [neonixie-l] Heathkit GC-1093...(it glows orange..)

2021-02-09 Thread Nick
UHP481 on eBay right now... at a price... https://www.ebay.co.uk/itm/UHP481-SemiConductor-CASE-DIP16-MAKE-SPRA/164238975574 On Tuesday, 9 February 2021 at 13:15:22 UTC Ryan B wrote: > There is one for sale on ebay right now. I don't know if it is worth it to > you to buy one just to

Re: [neonixie-l] Heathkit GC-1093...(it glows orange..)

2021-02-09 Thread Ryan B
There is one for sale on ebay right now. I don't know if it is worth it to you to buy one just to cannibalize the ICs for another... https://www.ebay.com/itm/Heathkit-GC-1093-Vintage-Digital-Clock-Tested-/154322501862?_trksid=p2349624.m46890.l49292 Ryan On Monday, February 8, 2021 at 8:01:09

Re: [neonixie-l] Heathkit GC-1093...(it glows orange..)

2021-02-08 Thread 'Grahame' via neonixie-l
Hi Perhaps a couple of SN75468 but the pin outs are different so you will need a small adapter board. Or just discrete parts, again on an adapter. Grahame On 08/02/2021 15:38, 'orange_glow_fan' via neonixie-l wrote: Hi I need suggestions on finding a way to replace the hv driver IC's for