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.PS
# Spec555.m4
# https://tex.stackexchange.com/questions/64801/display-ics-with-circuitikz?rq=1
log_init
define(`spec555',`[ Chip: box wid 8*lg_pinsep ht 10*lg_pinsep fill_(0.9)
svg_font(sans-serif,8bp__)
P1: 3/4<Chip.sw,Chip.se>; {"1" below rjust at P1}; "GND" above at P1
P5: Chip.s; {"5" below rjust at P5}; "CTRL" above at P5
P2: 1/8<Chip.sw,Chip.nw>; {"2" above rjust at P2}; "TRG" ljust at P2
P6: 3/8<Chip.sw,Chip.nw>; {"6" above rjust at P6}; "THR" ljust at P6
P7: 7/8<Chip.sw,Chip.nw>; {"7" above rjust at P7}; "DIS" ljust at P7
P3: Chip.e; {"3" above ljust at P3}; "OUT" rjust at P3
P4: 3/4<Chip.nw,Chip.ne>; {"4" above rjust at P4}; "svg_emsp`'RESET" below \
at P4
P8: Chip.n; {"8" above rjust at P8}; "Vcc" below at P8
"NE-555" at Chip.c "TIMER"
command "</g>"
line left dimen_ from P7; X:dot
{ R1:resistor(up_ P7.y-P6.y); rlabel(,68 k`'svg_ohm); dot }
R2:resistor(down_ P7.y-P6.y); llabel(,68 k`'svg_ohm); dot; {line to P6}
line to (Here,P2); SW: dot; {line to P2}
line from P8 to (P8,R1.end); dot ]')
svg_font(sans-serif,10bp__)
T1: spec555; "U1" at T1.Chip.nw above ljust
T2: spec555 with .Chip.w at T1.Chip.e+(2.5*dimen_,0)
"U2" at T2.Chip.nw above ljust
{line left_ dimen_/2 from (T1.X,T1.P7); diode(down_ T1.P7.y-T1.P6.y)
{"D1" wid 15bp__ rjust at last [].w "1N4148" rjust wid 36bp__}
line to (T1.X,Here); dot}
capacitor(down_ elen_*1.2 from T1.SW,E+); llabel(,10 uF); dot
dot(at Here-(dimen_/2,0),,1); G: dot(,,1); "GND" rjust at G.w
capacitor(from T1.P5 to (T1.P5,G),E+); rlabel(,0.01 nF); dot
line from T1.P1 to (T1.P1,G); dot
Vcc: dot(at (G,T1.R1.end),,1); "Vcc" wid 0.3 rjust at Vcc.w
dot(at (T1.P4,Vcc)); line to T1.P4
line right_ dimen_/2 from T1.P3;
R3: resistor(down_ to (Here,T2.s-(0,dimen_/4))); llabel(,10 k`'svg_ohm)
line to (T2.P5,Here) then to T2.P5
dot(at (T2.X,G)); ground
reversed(`capacitor',up_ to (Here,T2.P5),E+); rlabel(,100 nF)
line to (Here,T2.P2)
line from T2.P1 to (T2.P1,G); dot
line from T2.P4 to (T2.P4,Vcc) then to Vcc chop 0 chop dotrad_
dot(at (T2.X,T2.R1.end)+(0,dimen_/2),,1); {line to T2.R1.end chop dotrad_}
"+5 V to +15V" at last [].n above
capacitor(right_ dimen_ from T2.P3,C); llabel(," 100 uF")
Pot1: potentiometer(down_ (Here.y-G.y)/2) with .Start at Here
"Rx" wid 0.2 at Pot1.T1 ljust
Sp: speaker(R,,,fill_(0.9)) with .In5 at Pot1.End
"1" above rjust at Sp.In5; "2" below rjust at Sp.In7
"E1" at Sp.In2 rjust "Speaker" rjust
line from Sp.In7 to (Sp.In7,G) then to G chop 0 chop dotrad_
command "</g>"
.PE
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