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Old 23rd May 2021, 9:13 am   #4
mole42uk
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Join Date: Aug 2010
Location: Bristol, UK
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Default Re: 1MHz output impedance query?

Point noted about the use of LS TTL - I have some HC types which I’ll try.

The sine output is only ever going to be 1MHz but I do want a low-impedance so that I can shove anything onto it. Should I use a transistor output driver - that should offer a steady impedance to the RC network, and buffer whatever load gets onto the output?
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