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choosing w/l for folded cascode
TQ for starting this topic. I wanna ask another question on how to start designing folded cascode diff amp with CMFB. Can I design the folded cascode independently from the CMFB, coz the diff amp circuit that I want to design has a single NMOS for the tail...
Tq 4 the answers. Really helpful. I got a few more questions.
- It is said that the above diff pair consumes voltage headroom? What does it mean?
- I'm designing another diff pair, this time the load is PMOS current source with biasing Vb (Razavi, fig 4.32(b)). Input transistors are still...
I got a question. My diff amp design is double ended instead of single ended. How to configure the CMRR & PSRR?
Let say, for PSRR, should I use the configuration in the Allen textbook for the 1st ended output (and ignore the 2nd ended output)?
TQ
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