🚀 go-pugleaf

     O---VVVVV----+-------+------O
           R1     |       |
                  |       >
                  |       >  R2
                  |       >
                 ---      |
                 --- C1   |
                  |       |
                  |      ---
                  |      --- C2
                  |       |
     O------------+-------+------O


For a first cut at a design, you can save some effort by using simplifying
approximations:

       Pole at  (approx)  T = ((R1+R2) * C2)
       Zero at  (approx)  T = (R2 * C2)
       Pole at  (approx)  T = (R1 * C1)
-- 
 -- Mark Johnson	
 	MIPS Computer Systems, 930 E. Arques M/S 2-02, Sunnyvale, CA 94086
	(408) 524-8308    mark@mips.com  {or ...!decwrl!mips!mark}