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Well.... You could do it with an OTA, or you could do something similar to a bucket-brigade charge transfer method. Look up the VLSI 2008 paper by Kenet Inc, or the recent paper by Hu & Murmann for more info on those methods.
Without an active device of some sort, though, I'm not sure you can...
You need to look carefully at bottom-plate sampling, and decide on a good way to sample your 2 SHAs. The quantity you are interested in is the *charge*, so if you sample correctly, voltage kickback won't matter, as long as the charge is accurately sampled.
Look at gm/id design methodology. Stanford EE214 lecture notes, and there are some other papers on this as well.
The idea is to abandon square-law equations, and design based upon plots made from the technology.
comparator speed
OK - you need to consider: What is the purpose of the preamp in the first place?
I can think of at least two important reasons to have it:
1 - to provide an amplified input signal to the latch. We know that the delay of the latch is proportional to -tau*ln(Vin) where tau is...
In an opamp, there are a few important specs. First there is the gain, which is expressed in terms of gm*R terms (for each stage). So you see that when gm changes, the total gain changes. However, this isn't usually a big deal, since the gain is made very large, and small variations don't matter...
Depends on if all of your appliances are in one room. You need as many receivers as it takes to get a line-of-sight path to all of your appliances. The idea is simply to broadcast the ordinary lR data over an RF link...
SERDES introduction
You could look at a textbook by Daley & Poulton, it covers some circuits for high speed communications systems. Also, Razavi put out a collection of papers on PLLs.
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