[sdiy] BBD question

[Ian Smith]

>> I've got the old Panasonic BBD manual and it shows one with a 20 kHz 12dB lowpass filter at both the input and output... I'm guessing that's to reduce clock noise. So I'm thinking have a filter at the beginning of the chain and between each BBD and one at the end.
>> 
> 
> The one at the input is probably considered an anti-aliasing filter, and 
> at the output a reconstruction filter (reduces clock noise). In that 
> case a filter between BBD stages is probably a good idea to prevent 
> aliasing in the second BBD.

Cool! I feel all smart and stuff!
Now, if I wanted to tap the chain of BBDs, would I tap after the filter between BBDs? 
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