Table of Formulas for all Filters
LP RC
LP LR
HP CR
HP RL
BP SERIES
BP PARALLEL
BR SERIES
BR PARALLEL
C
1/RC
R/L
1/RC
R/L
0
1/(LC)
1/(LC)
1/(LC)
1/(LC)
Bandwidth 
R/L
1/RC
R/L
1/RC
Q-Factor
(L/CR2)
(CR2/L)
(L/CR2)
(CR2/L)
H(s) Format
c/(s + c)
c/(s + c)
s/(s + c)
s/(s + c)
s/(s2+s+02)
s/(s2+s+02)
(s2 + 02)/(s2+s+02)
(s2 + 02)/(s2+s+02)