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+.PS
+#QTrans.m4
+cct_init
+elen = 0.75
+ Origin: Here
+ Vs: source(up_ elen,S); llabel(-,V_s,+)
+ resistor(right_ elen); rlabel(,R_s)
+ dot
+ { capacitor(down_ to (Here,Origin))
+ rlabel(+,V,-); llabel(,{1\over{j\omega C}},)
+ dot }
+ arrowline(right_ elen*2/3); llabel(,I)
+ T1: transformer(down_ Vs.len,,6,,4) with .P1 at Here
+ "$T1$" at last [].n above
+ line from T1.P2 to Origin
+ line from T1.S1 up_ to (T1.S1,Vs.end) then right_ elen*2/3
+ resistor(down_ Vs.len); rlabel(,R_L); b_current(I_L,rjust)
+ line to (T1.S2,Here) then to T1.S2
+.PE