Axopatch 200A Internal Pics
I picked up an Axon instruments Axopatch 200A on ebay (it’s a patch clamp which can be used for ion channel experiments among other things). Here are some PCB pics for your viewing pleasure. No headstage pictures yet, but I’ll add them at some point [UPDATE: added below].
Late 80s early 90s electronics at its finest!
I also took some pics of the headstage, it uses a custom can most likely with a bunch of transistor dies (like their other stages). There’s also a OPA627 opamp in there:
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