path: root/gschem/preamps.sch

v 20110115 2
C 44300 49500 1 90 0 capacitor-4.sym
{
T 43200 49700 5 10 0 0 90 0 1
device=POLARIZED_CAPACITOR
T 43800 50200 5 10 1 1 180 0 1
refdes=C102
T 43600 49700 5 10 0 0 90 0 1
symversion=0.1
T 43400 49800 5 10 1 1 0 0 1
value=10u
T 44300 49500 5 10 0 1 0 0 1
footprint=RCY100P
}
C 41600 48000 1 0 0 capacitor-1.sym
{
T 41800 48700 5 10 0 0 0 0 1
device=CAPACITOR
T 41900 48500 5 10 1 1 0 0 1
refdes=C103
T 41800 48900 5 10 0 0 0 0 1
symversion=0.1
T 41800 47800 5 10 1 1 0 0 1
value=0.47u
T 41600 48000 5 10 0 0 0 0 1
footprint=CK06_type_capacitor
}
C 44100 46800 1 90 0 capacitor-1.sym
{
T 43400 47000 5 10 0 0 90 0 1
device=CAPACITOR
T 44400 47500 5 10 1 1 180 0 1
refdes=C104
T 43200 47000 5 10 0 0 90 0 1
symversion=0.1
T 44200 47100 5 10 1 1 0 0 1
value=10p
T 44100 46800 5 10 0 0 0 0 1
footprint=ACY100
}
C 44400 50500 1 0 0 JFET_N-Channel-1.sym
{
T 44750 51300 5 10 1 1 0 6 1
model=J201
T 44400 52550 5 10 0 0 0 0 1
device=JFET N-Channel
T 44400 50500 5 10 1 1 0 0 1
refdes=Q101
T 44400 50500 5 10 0 1 0 0 1
footprint=TO92
}
N 43400 50700 44400 50700 4
N 44100 50400 44100 50700 4
C 44400 48000 1 0 0 JFET_N-Channel-1.sym
{
T 44750 48800 5 10 1 1 0 6 1
model=J201
T 44400 50050 5 10 0 0 0 0 1
device=JFET N-Channel
T 44400 48000 5 10 1 1 0 0 1
refdes=Q102
T 44400 48000 5 10 0 1 0 0 1
footprint=TO92
}
C 46100 49000 1 0 0 JFET_N-Channel-1.sym
{
T 46950 49300 5 10 1 1 0 6 1
model=J201
T 46100 51050 5 10 0 0 0 0 1
device=JFET N-Channel
T 46100 49000 5 10 1 1 0 0 1
refdes=Q103
T 46100 49000 5 10 0 1 0 0 1
footprint=TO92
}
N 44800 50500 44800 49200 4
N 44100 49200 46100 49200 4
N 44100 49200 44100 49500 4
N 44800 49200 44800 48800 4
N 44800 51300 44800 51400 4
N 44800 51400 46500 51400 4
N 45600 51700 45600 51400 4
N 46500 49800 46500 51400 4
C 46400 47800 1 270 0 resistor-2.sym
{
T 46750 47400 5 10 0 0 270 0 1
device=RESISTOR
T 46700 47300 5 10 1 1 0 0 1
refdes=R105
T 46700 47100 5 10 1 1 0 0 1
value=10k
T 46400 47800 5 10 0 1 0 0 1
footprint=R025
}
C 44700 47800 1 270 0 resistor-2.sym
{
T 45050 47400 5 10 0 0 270 0 1
device=RESISTOR
T 45000 47300 5 10 1 1 0 0 1
refdes=R106
T 45000 47100 5 10 1 1 0 0 1
value=33k
T 44700 47800 5 10 0 1 0 0 1
footprint=R025
}
C 45500 47800 1 270 0 resistor-2.sym
{
T 45850 47400 5 10 0 0 270 0 1
device=RESISTOR
T 45800 47300 5 10 1 1 0 0 1
refdes=R107
T 45800 47100 5 10 1 1 0 0 1
value=1M
T 45500 47800 5 10 0 1 0 0 1
footprint=R025
}
N 45600 49200 45600 47800 4
N 46500 49000 46500 47800 4
N 44800 48000 44800 47800 4
N 42500 48200 44400 48200 4
N 43900 48200 43900 47700 4
C 42900 47800 1 270 0 resistor-2.sym
{
T 43250 47400 5 10 0 0 270 0 1
device=RESISTOR
T 42600 47300 5 10 1 1 0 0 1
refdes=R108
T 42500 47100 5 10 1 1 0 0 1
value=10M
T 42900 47800 5 10 0 1 0 0 1
footprint=R025
}
N 43000 47800 43000 48200 4
C 39700 48100 1 0 0 input-2.sym
{
T 39800 47800 5 10 1 0 0 0 1
net=INPUT_2:1
T 40300 48800 5 10 0 0 0 0 1
device=none
T 40200 48200 5 10 1 1 0 7 1
value=BASS
}
N 41100 48200 41600 48200 4
C 45400 51700 1 0 0 vcc-2.sym
C 42700 46200 1 0 0 vcc-minus-1.sym
C 43600 46200 1 0 0 vcc-minus-1.sym
C 44500 46200 1 0 0 vcc-minus-1.sym
C 46200 46200 1 0 0 vcc-minus-1.sym
N 43000 46800 43000 46900 4
N 44800 46800 44800 46900 4
N 45600 46600 45600 46900 4
N 46500 46800 46500 46900 4
C 49000 48300 1 180 0 input-2.sym
{
T 49100 48000 5 10 1 0 180 0 1
net=PREAMP_2:1
T 48400 47600 5 10 0 0 180 0 1
device=none
T 48500 48200 5 10 1 1 180 7 1
value=BASS OUTPUT
}
N 47600 48200 46500 48200 4
T 48300 38500 9 16 1 0 0 0 1
Preamps
C 44300 42900 1 90 0 capacitor-4.sym
{
T 43200 43100 5 10 0 0 90 0 1
device=POLARIZED_CAPACITOR
T 43800 43600 5 10 1 1 180 0 1
refdes=C202
T 43600 43100 5 10 0 0 90 0 1
symversion=0.1
T 43400 43200 5 10 1 1 0 0 1
value=1u
T 44300 42900 5 10 0 1 0 0 1
footprint=RCY100P
}
C 41600 41500 1 0 0 capacitor-1.sym
{
T 41800 42200 5 10 0 0 0 0 1
device=CAPACITOR
T 41900 42000 5 10 1 1 0 0 1
refdes=C203
T 41800 42400 5 10 0 0 0 0 1
symversion=0.1
T 41800 41300 5 10 1 1 0 0 1
value=0.47u
T 41600 41500 5 10 0 1 0 0 1
footprint=CK06_type_capacitor
}
C 44100 40300 1 90 0 capacitor-1.sym
{
T 43400 40500 5 10 0 0 90 0 1
device=CAPACITOR
T 44400 41000 5 10 1 1 180 0 1
refdes=C204
T 43200 40500 5 10 0 0 90 0 1
symversion=0.1
T 44200 40600 5 10 1 1 0 0 1
value=10p
T 44100 40300 5 10 0 1 0 0 1
footprint=ACY100
}
C 44400 43800 1 0 0 JFET_N-Channel-1.sym
{
T 44750 44600 5 10 1 1 0 6 1
model=J201
T 44400 45850 5 10 0 0 0 0 1
device=JFET N-Channel
T 44400 43800 5 10 1 1 0 0 1
refdes=Q201
T 44400 43800 5 10 0 1 0 0 1
footprint=TO92
}
N 43400 44000 44400 44000 4
N 44100 43800 44100 44000 4
C 44400 41500 1 0 0 JFET_N-Channel-1.sym
{
T 44750 42300 5 10 1 1 0 6 1
model=J201
T 44400 43550 5 10 0 0 0 0 1
device=JFET N-Channel
T 44400 41500 5 10 1 1 0 0 1
refdes=Q202
T 44400 41500 5 10 0 1 0 0 1
footprint=TO92
}
C 46100 42500 1 0 0 JFET_N-Channel-1.sym
{
T 46950 42800 5 10 1 1 0 6 1
model=J201
T 46100 44550 5 10 0 0 0 0 1
device=JFET N-Channel
T 46100 42500 5 10 1 1 0 0 1
refdes=Q203
T 46100 42500 5 10 0 1 0 0 1
footprint=TO92
}
N 44800 43800 44800 42700 4
N 44100 42700 46100 42700 4
N 44100 42700 44100 42900 4
N 44800 42700 44800 42300 4
N 44800 44600 44800 44700 4
N 44800 44700 46500 44700 4
N 45600 45000 45600 44700 4
N 46500 43300 46500 44700 4
C 46400 41300 1 270 0 resistor-2.sym
{
T 46750 40900 5 10 0 0 270 0 1
device=RESISTOR
T 46700 40800 5 10 1 1 0 0 1
refdes=R205
T 46700 40600 5 10 1 1 0 0 1
value=10k
T 46400 41300 5 10 0 1 0 0 1
footprint=R025
}
C 44700 41300 1 270 0 resistor-2.sym
{
T 45050 40900 5 10 0 0 270 0 1
device=RESISTOR
T 45000 40800 5 10 1 1 0 0 1
refdes=R206
T 45000 40600 5 10 1 1 0 0 1
value=6k8
T 44700 41300 5 10 0 1 0 0 1
footprint=R025
}
C 45500 41300 1 270 0 resistor-2.sym
{
T 45850 40900 5 10 0 0 270 0 1
device=RESISTOR
T 45800 40800 5 10 1 1 0 0 1
refdes=R207
T 45800 40600 5 10 1 1 0 0 1
value=1M
T 45500 41300 5 10 0 1 0 0 1
footprint=R025
}
N 45600 42700 45600 41300 4
N 46500 42500 46500 41300 4
N 44800 41500 44800 41300 4
N 42500 41700 44400 41700 4
N 43900 41700 43900 41200 4
C 42900 41300 1 270 0 resistor-2.sym
{
T 43250 40900 5 10 0 0 270 0 1
device=RESISTOR
T 42600 40800 5 10 1 1 0 0 1
refdes=R208
T 42500 40600 5 10 1 1 0 0 1
value=10M
T 42900 41300 5 10 0 1 0 0 1
footprint=R025
}
N 43000 41300 43000 41700 4
C 39700 41600 1 0 0 input-2.sym
{
T 39600 41300 5 10 1 0 0 0 1
net=INPUT_1:1
T 40300 42300 5 10 0 0 0 0 1
device=none
T 40200 41700 5 10 1 1 0 7 1
value=MELODY
}
N 41100 41700 41600 41700 4
C 45400 45000 1 0 0 vcc-2.sym
C 42700 39700 1 0 0 vcc-minus-1.sym
C 43600 39700 1 0 0 vcc-minus-1.sym
C 44500 39700 1 0 0 vcc-minus-1.sym
C 46200 39700 1 0 0 vcc-minus-1.sym
N 43000 40300 43000 40400 4
N 44800 40300 44800 40400 4
N 45600 40100 45600 40400 4
N 46500 40300 46500 40400 4
C 49000 41800 1 180 0 input-2.sym
{
T 49100 41500 5 10 1 0 180 0 1
net=PREAMP_1:1
T 48400 41100 5 10 0 0 180 0 1
device=none
T 48500 41700 5 10 1 1 180 7 1
value=MELODY OUTPUT
}
N 47600 41700 46500 41700 4
C 31800 37600 0 0 0 title-A2.sym
C 34500 43900 1 0 1 stereo_jack-1.sym
{
T 34205 45600 5 10 1 1 0 6 1
refdes=K101
T 34205 46200 5 10 0 0 0 6 1
device=CONNECTOR
T 34500 43900 5 10 0 0 0 0 1
graphical=1
}
C 35500 44200 1 0 0 switch-spdt-2.sym
{
T 35910 45050 5 10 0 0 0 0 1
device=Dual_Two_Way_Switch
T 35910 45700 5 10 1 1 0 0 1
refdes=S101
T 36200 45900 5 10 0 0 0 0 1
symversion=1.0
T 35500 44200 5 10 0 0 0 0 1
graphical=1
}
C 34500 43000 1 0 0 vcc-minus-1.sym
N 34500 44100 34800 44100 4
N 34800 44100 34800 43600 4
N 34500 44400 35000 44400 4
N 35000 44400 35000 44500 4
N 35000 44500 35500 44500 4
N 34500 45300 35500 45300 4
N 36500 45500 37300 45500 4
N 37300 45500 37300 44300 4
N 36500 44300 37500 44300 4
N 36500 45100 37500 45100 4
N 37000 44700 36500 44700 4
C 38900 44400 1 180 0 input-2.sym
{
T 39000 44700 5 10 1 0 180 0 1
net=INPUT_1:1
T 38300 43700 5 10 0 0 180 0 1
device=none
T 38400 44300 5 10 1 1 180 7 1
value=MELODY
}
C 38900 45200 1 180 0 input-2.sym
{
T 39000 45500 5 10 1 0 180 0 1
net=INPUT_2:1
T 38300 44500 5 10 0 0 180 0 1
device=none
T 38400 45100 5 10 1 1 180 7 1
value=BASS
}
T 35400 46200 9 10 1 0 0 0 1
Swap input signals.
T 32100 46100 9 10 1 0 0 0 2
TODO: wire lc and rc to disrupt power
supply if nothing is connected.
N 37000 42000 37000 45100 4
C 36500 40700 1 0 0 vcc-minus-1.sym
N 36700 41400 36800 41400 4
N 36800 41400 36800 41300 4
C 35000 41200 1 0 0 connector3-1.sym
{
T 36800 42100 5 10 0 0 0 0 1
device=CONNECTOR_3
T 35000 42300 5 10 1 1 0 0 1
refdes=CONN101
T 35000 41200 5 10 0 0 0 0 1
footprint=CONNECTOR 3 1
}
N 37000 42000 36700 42000 4
N 37300 44300 37300 41700 4
N 37300 41700 36700 41700 4
C 42200 49600 1 0 0 gnd-1.sym
N 42300 50700 42300 49900 4
C 42000 42800 1 0 0 gnd-1.sym
N 42100 44000 42100 43100 4
C 45500 46300 1 0 0 gnd-1.sym
C 45500 39800 1 0 0 gnd-1.sym
C 42500 50600 1 0 0 resistor-2.sym
{
T 42900 50950 5 10 0 0 0 0 1
device=RESISTOR
T 43200 51100 5 10 1 1 180 0 1
refdes=R109
T 43200 51300 5 10 1 1 180 0 1
value=1M
T 42500 50600 5 10 0 1 90 0 1
footprint=R025
}
N 42300 50700 42500 50700 4
C 42500 43900 1 0 0 resistor-2.sym
{
T 42900 44250 5 10 0 0 0 0 1
device=RESISTOR
T 43200 44400 5 10 1 1 180 0 1
refdes=R209
T 43200 44600 5 10 1 1 180 0 1
value=1M
T 42500 43900 5 10 0 1 90 0 1
footprint=R025
}
N 42100 44000 42500 44000 4
T 39900 45200 9 10 1 0 0 0 1
TODO: replace input coupling caps with 10uF?
C 35000 43000 1 0 0 vcc-minus-1.sym
N 34500 45000 35300 45000 4
N 35300 45000 35300 43600 4
N 34500 44700 35300 44700 4
T 43200 39100 9 10 1 0 0 0 1
TODO: increase value of R206 to reduce gain/distortion?