.PS
# MC.m4
cct_init

MC: [
  dv = dimen_*0.6
  dh = dimen_*0.4
  backup = dimen_/6

  for i=1 to 3 do {{
    if i==2 then { Input: dot } else { line up (2-i)*dv }
    source(right_ dimen_,AC); llabel(,,sprintf("$v_{\char%g}$",96+i))
    resistor(right_ dimen_ from Here-(backup/2,0)); if i==1 then { llabel(,R_i)}
    inductor(right_ dimen_ from Here-(backup,0),W); if i==1 then { llabel(,L_i)}
    line right_ i*dh; b_current(sprintf("\strut$i_{\char%g}$",96+i)); dot
    { line down (3-i)*dv; capacitor(down_ dimen_)
      if i==1 then { rlabel(,C_i) }
      if i==2 then { dot(ifgpic(at last line.end)) } \
      else { line ifgpic(from last line.end) right (2-i)*dh }
      }
    line right 3*dh; dot
    E: Here+((3-i)*dh+dimen_*3/2,(4-2*i)*dv)
    for j=1 to 3 do {{
      line up (6-j*3)*dv then right (3-i)*dh
      switch(right_ E.x-Here.x)
      llabel(,,sprintf("$S_{\char%g\char%g}$",96+i,64+j))
      if i==2 then { dot } else { line down (2-i)*dv }
      }}
    line from E right dh then down E.y-Here.y
    arrow right dimen_/2 ; { sprintf("\strut$i_{\char%g}\quad$",64+i) above }
    resistor(right_ dimen_ from Here-(arrowht/2,0)); if i==1 then {llabel(,R_o)}
    inductor(right_ dimen_ from Here-(backup,0),W);  if i==1 then {llabel(,L_o)}
    source(right_ dimen_,AC); llabel(sprintf("$v_{\char%g}$",64+i))
    if i==2 then { Output: dot } else { line down (2-i)*dv }
    }}
]

Three: [
  gapht = 4*dimen_
  dv = dimen_*0.6
  dh = dimen_*5/6
  define(`swfet',`mosfet(`$1',,dMEDSuBQPy)')
  define(`swpair',`[ up_
    BS: swfet(up_ dimen_); { "`$1'" at BS.D-(0,2bp__) rjust }
    L: line up_ gapht-2*dimen_ from BS.D
    TS: swfet(up_ dimen_) with .S at Here; { "`$2'" at TS.S+(0,2bp__) rjust }
    T: TS.D
    B: BS.S
    C: L.c 
    ]')

  V1: gap(up_ gapht,1,A); { "$V_1$" at last arrow.c rjust }
  line right_  dimen_/2
  { C1: capacitor(down_ to (Here,V1.start)); llabel(C_1) }
  for_(1,3,1,`
    line right_ dimen_ ifelse(m4x,1,,*5/4)
   {SP1`'m4x: swpair(S1`'eval(m4x+3),S1`'m4x) with .T at Here
    dot(at last [].C + (0,(2-m4x)*dh)) 
    line right_ (3-m4x)*dimen_*5/4 + dimen_/4
    inductor(right_ dimen_,L); llabel(,L_{1\char`'eval(64+m4x)})
    line down_ (2-m4x)*dh*2/3
    pushdef(`dimen_',dimen_*1.2) inductor(right_ dimen_*3/4) popdef(`dimen_')
    line down_ (2-m4x)*dh/3
    M: move right_ dimen_/8
    line up_ (2-m4x)*dh/3
    pushdef(`dimen_',dimen_*1.2) inductor(right_ dimen_*3/4) popdef(`dimen_')
    line up_ (2-m4x)*dh*2/3
    inductor(right_ dimen_,L); llabel(,L_{2\char`'eval(64+m4x)})
    line right_ dimen_/8+(m4x-1)*dh*5/4 + dimen_/4
    dot
    SP2`'m4x: swpair(S2`'eval(m4x+3),S2`'m4x) with .C at Here+(0,(m4x-2)*dh) }
  ')
  "$T_r$" at M.c+(0,dimen_*2/3)
  line from V1.start to SP13.B
  line from SP21.B to SP23.B+(dh*3/4,0)
  { C2: capacitor(up_ to (Here,V1.end)); llabel(,,C_2) }
  line right_ dimen_/2
  gap(up_ gapht,1,A); { "$V_2$" at last arrow.c ljust }
  line to SP21.T chop dotrad_ chop 0

] with .nw at MC.sw+(0,-0.2)
.PE