Description:Th« 0A85 tttoda fol'ow* a Una*. av/ and has t«»i plane# Rd. Con*id*r th* hali cycla with curraut« as. -. :'r o '.* + *. • to • » T?' *. Va a* v»_f.V> aift i* ♢ /J . variable. for balanei. ; the signal voltage. TV ) »y„cr? y .^. , id be er. HCh respect to R j at 2500 cp». If C * •