Author Topic: Replace 74HC14 with CD40106B in KaizerSSTC III  (Read 598 times)

Offline Zipdox

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Replace 74HC14 with CD40106B in KaizerSSTC III
« on: December 17, 2019, 11:37:48 PM »
So I intent to build a variation of the KaizerSSTC III but I don't have any 74HC14's. I do have plenty CD40106B's laying around. Would substitute those?

Offline Mads Barnkob

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Re: Replace 74HC14 with CD40106B in KaizerSSTC III
« Reply #1 on: December 18, 2019, 08:31:51 AM »
Both can be used at 5 VDC supply and signals, both have the same pinout but the big difference is the logic inside of the CD40106B is more complex and has higher threshold voltages for detecting the positive edge than the 74HC14.

Whether this actually makes a difference in the circuit, I doubt that, the antenna feedback can be made as powerful as needed from adjusting coupling, so just go ahead and try it out :)
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Re: Replace 74HC14 with CD40106B in KaizerSSTC III
« Reply #1 on: December 18, 2019, 08:31:51 AM »

 


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