As with the circuit in FIG 3a, transistor 22 and 24 provide {TAIL ~ additional RC delay} and {HEAD ~ feedback paths} discussed previously in connection with FIG 3a 
As with the circuit in FIG 3a , transistor 22 and 24 provide { TAIL ~ additional RC delay } and { HEAD ~ feedback paths } discussed previously in connection with FIG 3a
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH