 1 farad . This prototype can be impedance scaled and frequency scaled to the desired values . The low @-@ pass prototype can also be transformed into high @-@ pass , band @-@ pass or band @-@ stop types by application of suitable frequency transformations . 
 1 farad . This prototype can be impedance scaled and frequency scaled to the desired values . The low @-@ pass prototype can also be transformed into high @-@ pass , band @-@ pass or band @-@ stop types by application of suitable frequency transformations . 
1 farad . This prototype can be impedance scaled and frequency scaled to the desired values . The low @-@ pass prototype can also b transformed into high @-@ pass , band @-@ pass or band @-@ stop types by application of suitable frequency transformations .