NovelPanda
Junior Member level 3
Dear All:
I have many CML topologies in my design. The differential pairs are all lvt RF transistor. I want to know what transistor should I use to form the current source, lvt_nmos (Vth=410mV) or normal nmos (Vth=490mV)? I prefer lvt but what is the potential consequences?
Thanks in advance~
I have many CML topologies in my design. The differential pairs are all lvt RF transistor. I want to know what transistor should I use to form the current source, lvt_nmos (Vth=410mV) or normal nmos (Vth=490mV)? I prefer lvt but what is the potential consequences?
Thanks in advance~