define(`npair',`[define(`m4lr',ifelse(`$1',,l,r))
J: mosfet(down_ dimen_,ifelse(`$1',,R,L),uHSDF,E)
"\scriptstack[l]{$Q_{`$2'}$\\ 2N5464}" at J.n+(0,8pt__)
G: J.G
line ifelse(`$1',,right,left) dimen_/4 from J.D
Q: bi_tr(up_ dimen_,ifelse(`$1',,L,R),,E) with .B at Here
ifelse(`$1',,r,l)label(,`\scriptstack[m4lr]{$Q_{`$3'}$\\ 2N4239}')
E: Q.E
S: dot(at (Q.C,J.S))
line from J.S to S then to Q.C ]')
define(`ppair',`[define(`m4lr',ifelse(`$1',,l,r))
J: mosfet(down_ dimen_,ifelse(`$1',,R,L),dHSDF,E)
"\scriptstack[l]{$Q_{`$2'}$\\ 2N3819}" at J.s-(0,8pt__)
G: J.G
line ifelse(`$1',,right,left) dimen_/4 from J.S
Q: bi_tr(down_ dimen_,ifelse(`$1',,R,L),P,E) with .B at Here
ifelse(`$1',,l,r)label(,`\scriptstack[m4lr]{$Q_{`$3'}$\\ 2N4236}')
E: Q.E
S: dot(at (Q.C,J.D))
line from J.D to S then to Q.C ]')
R2: resistor(down_ dimen_)
llabel(,`\scriptstack[l]{$R_2$\\ 150}')
dot
Q13: bi_tr(down_ dimen_,,P,E) with .E at Here
rlabel(,`\scriptstack[r]{$Q_{13}$\\ 2N4236}')
line down 3.1*elen_ from Q13.C
Q14: bi_tr(up_ dimen_,R,,E) with .C at Here
llabel(,`\scriptstack[r]{$Q_{14}$\\ 2N4239}')
dot(at Q14.E)
{ line left_ dimen_*1.3 then up_ dimen_
R1: potentiometer(up_ dimen_) with .Start at Here
rlabel(,`\scriptstack[l]{$R_1$\\ $20\,$K}')
{ ground(at R1.T1) }
line from R1.End to (R1.End,Q13.E) then to Q13.E }
{ dot(at Q13.C+(0,-elen_))
line to (R1.R,Here)+(-dimen_/2,0)
{ arrowline(right_ dimen_/2); llabel(,i_1) }
V1: gap(down_ dimen_,1); rlabel(+,V_1,-)
line down_ dimen_/4 chop dotrad_ chop 0; ground(,T) }
R3: resistor(down_ dimen_)
llabel(,`\scriptstack[l]{$R_3$\\ 150}')
dot(at Q13.C+(0,-2*elen_))
line right_ dimen_/2
A1: opamp with .In2 at Here; "$A_1$" at A1.C
"`\scriptstack[l]{Nexus\\ SQ-10A}'" at A1.s below
line left_ dimen_/4 from A1.In1 then up_ dimen_/2 then right dimen_
dot
{ resistor(up_ elen_)
llabel(,`\scriptstack[r]{$R_{14}$\\ $19\,$K}')
line to (Here,Q13.E) then to Q13.E }
line to (A1.Out,Here)
dot
{ line to A1.Out
dot
resistor(down_ to (Here,Q14.E))
llabel(,`\scriptstack[l]{$R_{13}$\\ $91\,$K}')
line to Q14.E }
R6: resistor(right_ dimen_)
rlabel(,`\scriptstack[l]{$R_6$\\ $15\,$K}')
dot
line to (Here,A1.In1) then right_ dimen_/4
A2: opamp with .In1 at Here; "$A_2$" at A2.C
"`\scriptstack[l]{Nexus\\ SQ-10A}'" at A2.s below
line left_ dimen_/4 from A2.In2
ground
dot(at A2.Out)
DP1: npair(,3,4) with .E at (A2.Out,Q14.B)+(elen_*1.25,0)
line from A2.Out to (A2.Out,DP1.G) then to DP1.G
line from DP1.E to (DP1.E,R3.bottom); dot
D4: reversed(`diode',up_ dimen_/2 from DP1.S)
D3: reversed(`diode',up_ dimen_/2 from Here+(0,-dimen_/6))
llabel(,`\scriptstack[r]{$D_4$\\ OMC-V\\ $D_3$}')
DP2: ppair(,1,2) with .E at (DP1.E,Q13.B)
D1: diode(down_ dimen_/2 from DP2.S)
D2: diode(down_ dimen_/2 from Here+(0,dimen_/6))
rlabel(,`\raisebox{5pt}{\scriptstack[r]{$D_1$\\ $D_2$\\ OMC-V}}')
dot(at (Here,A2))
line to D2.bottom
line from DP2.G to (A2.Out,DP2.G) then to A2.Out
line from DP2.E to (DP2.E,R2.top); dot
T: dot(at (DP1.E,A2)+(dimen_,0))
DP3: npair(,7,8) with .G at (Here,DP1.G)+(dimen_/4,0)
dot(at DP3.E)
line to Q14.B
DP4: ppair(,5,6) with .G at (DP3.G,DP2.G)
dot(at DP4.E)
line to Q13.B
line from DP3.G to (T,DP3.G) then to (T,DP4.G) then to DP4.G
R11: resistor(down_ dimen_ from DP4.S)
rlabel(,`\scriptstack[r]{$R_{11}$\\ $20$}')
D5: diode(up_ from DP3.S to (DP3.S,A2),Z)
llabel(,`\scriptstack[r]{$D_5$\\ 1N4729$_{\vphantom{1}}$}')
line to R11.end
C4: capacitor(right_ dimen_*1.3 from DP3.S,C)
llabel(`C_4'); rlabel(,`0.68\,\mu\hbox{F}')
C3: capacitor(right_ dimen_*1.3 from DP4.S,C)
llabel(`C_3'); rlabel(,`0.68\,\mu\hbox{F}')
dot
dot(at (Here,R6))
C2: reversed(`capacitor',left_ dimen_*1.3,C)
rlabel(,,`C_2'); llabel(,`0.1\,\mu\hbox{F}')
line to R6.end
R5: resistor(up_ from R6.end to (R6.end,Q13.B))
rlabel(,`\scriptstack[l]{$R_5$\\ $100\,$K}')
dot(at R5.top-(0,dimen_/2))
line left_ dimen_/2
capacitor(down_ dimen_,C)
rlabel(,`\scriptstack[r]{$C_1$\\ $1\,\mu$F}')
ground(,T)
line from DP4.E to (DP4.E,R2.bottom)
resistor(up_ to (Here,R2.top))
rlabel(,`\scriptstack[l]{$R_9$\\ $910$}')
dot
resistor(down_ from DP3.E to (DP3.E,R3.bottom))
llabel(,`\scriptstack[l]{$R_{10}$\\ $910$}')
dot
line from R5.top to (R5,Q13.E)
resistor(right_ elen_)
llabel(,`\scriptstack[l]{$R_4$\\ $100\,$K}')
line to (C4.end,Here) then to C4.end
DP5: npair(L,11,10) with .E at (C4.end,DP1.E)+(elen_*0.8,0)
line from DP5.E to (DP5.E,R3.bottom); dot
line from R3.bottom to Here+(dimen_/2,0)
dot(,,1)
`"${}-E_{CC}$"' ljust
D6: diode(up_ from DP5.S to (DP5.S,A2),Z)
llabel(,`\scriptstack[r]{$D_6$\\ 1N4728}')
DP6: ppair(L,12,9) with .E at (DP5.E,DP2.E)
line from DP6.E to (DP6.E,R2.top); dot
line from R2.top to Here+(dimen_/2,0)
dot(,,1)
`"${}+E_{CC}$"' ljust
resistor(down_ from DP6.S to (DP6.S,C2))
rlabel(,`\scriptstack[r]{$R_{12}$\\ $20$}')
dot
{ line to C2.e }
line to D6.end
Vr: dot(at (DP6.G,V1.top)+(dimen_/4,0))
line from DP6.G to (Vr,DP6.G) then to (Vr,DP5.G) then to DP5.G
reversed(`arrowline',right_ dimen_/2 from Vr); llabel(,i_2)
V2: gap(down_ dimen_,1); llabel(+,V_2,-)
line down_ dimen_/4 chop dotrad_ chop 0; ground(,T)
dot(at (Vr,T))
resistor(left_ to (DP6.E,Here))
rlabel(,`\scriptstack[l]{$R_{15}$\\ $200$}')
line to (DP1.E,Here)
dot
command "ifmpost(verbatimtex) }% ifmpost(etex)"
resetrgb
PE
