gschem/tuner.sch


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v 20110115 2
C 49800 41200 1 270 0 resistor-2.sym
{
T 50150 40800 5 10 0 0 270 0 1
device=RESISTOR
T 50100 40700 5 10 1 1 0 0 1
refdes=R301
T 50100 40500 5 10 1 1 0 0 1
value=100k
T 49800 41200 5 10 0 1 0 0 1
footprint=R025
}
N 49900 41500 49900 41200 4
C 40900 44600 1 0 0 input-2.sym
{
T 40900 44300 5 10 1 0 0 0 1
net=PREAMP_1:1
T 41500 45300 5 10 0 0 0 0 1
device=none
T 41400 44700 5 10 1 1 0 7 1
value=from melody preamp
}
N 42300 44700 44300 44700 4
C 49600 39300 1 0 0 vcc-minus-1.sym
N 49900 39900 49900 40300 4
C 40900 43000 1 0 0 input-2.sym
{
T 40900 42700 5 10 1 0 0 0 1
net=PREAMP_2:1
T 41500 43700 5 10 0 0 0 0 1
device=none
T 41400 43100 5 10 1 1 0 7 1
value=from bass preamp
}
N 42300 43100 44300 43100 4
N 49400 42500 49900 42500 4
T 53500 37800 9 16 1 0 0 0 1
Tuner output and melody effects insert
C 44300 44600 1 0 0 resistor-2.sym
{
T 44700 44950 5 10 0 0 0 0 1
device=RESISTOR
T 45000 45000 5 10 1 1 180 0 1
refdes=R303
T 45000 44500 5 10 1 1 180 0 1
value=100k
T 44300 44600 5 10 0 1 0 0 1
footprint=R025
}
C 44300 43000 1 0 0 resistor-2.sym
{
T 44700 43350 5 10 0 0 0 0 1
device=RESISTOR
T 44900 43400 5 10 1 1 180 0 1
refdes=R304
T 44900 42900 5 10 1 1 180 0 1
value=100k
T 44300 43000 5 10 0 1 0 0 1
footprint=R025
}
N 45600 43100 45600 44700 4
N 45600 43100 45200 43100 4
N 44000 44700 44000 48000 4
N 44000 48000 48500 48000 4
C 37200 36900 0 0 0 title-A2.sym
C 48500 47800 1 0 0 capacitor-4.sym
{
T 48700 48900 5 10 0 0 0 0 1
device=POLARIZED_CAPACITOR
T 48700 48300 5 10 1 1 0 0 1
refdes=C301
T 48700 48500 5 10 0 0 0 0 1
symversion=0.1
T 48500 47800 5 10 1 1 0 0 1
value=10u
T 48500 47800 5 10 0 1 0 0 1
footprint=RCY100P
}
C 50000 47100 1 270 0 resistor-2.sym
{
T 50350 46700 5 10 0 0 270 0 1
device=RESISTOR
T 50300 46600 5 10 1 1 0 0 1
refdes=R310
T 50300 46800 5 10 1 1 0 0 1
value=100k
T 50000 47100 5 10 0 1 0 0 1
footprint=R025
}
C 49800 45400 1 0 0 vcc-minus-1.sym
N 50100 47100 50100 47500 4
N 50100 46000 50100 46200 4
N 49700 48000 49400 48000 4
N 50100 47300 53000 47300 4
T 47100 46500 9 10 1 0 0 0 1
TODO: determine attenuation
N 45200 44700 45600 44700 4
C 53800 49300 1 90 0 stereo_jack-1.sym
{
T 52100 49595 5 10 1 1 90 0 1
refdes=K301
T 51500 49595 5 10 0 0 90 0 1
device=CONNECTOR
T 53800 49300 5 10 0 0 0 0 1
graphical=1
}
C 53300 48500 1 0 0 vcc-minus-1.sym
N 53600 49100 53600 49300 4
N 53000 46900 53000 49300 4
N 52400 47300 52400 49300 4
C 56100 47400 1 180 0 input-2.sym
{
T 56200 47100 5 10 1 0 180 0 1
net=MELODY:1
T 55500 46700 5 10 0 0 180 0 1
device=none
T 55600 47300 5 10 1 1 180 7 1
value=MELODY RETURN
}
N 53300 49300 53300 46900 4
N 53300 47300 54700 47300 4
C 53100 41500 1 180 0 connector2-1.sym
{
T 52900 40500 5 10 0 0 180 0 1
device=CONNECTOR_2
T 53100 40700 5 10 1 1 180 0 1
refdes=CONN301
T 53100 41500 5 10 0 0 0 0 1
footprint=CONNECTOR 1 2
}
C 50600 39300 1 0 0 vcc-minus-1.sym
N 50900 39900 50900 41000 4
N 50900 41000 51400 41000 4
T 52200 40300 9 10 1 0 0 0 1
Tuner OUT (mono)
C 53500 45200 1 90 0 connector2-1.sym
{
T 52500 45400 5 10 0 0 90 0 1
device=CONNECTOR_2
T 52700 45200 5 10 1 1 90 0 1
refdes=CONN302
T 53500 45200 5 10 0 0 270 0 1
footprint=CONNECTOR 1 2
}
T 52200 44600 9 10 1 0 0 0 3
This connector is used
because I only need two pins
on the board.
C 47700 43200 1 0 0 bc550.sym
{
T 48300 43700 5 10 0 0 0 0 1
device=NPN_TRANSISTOR
T 48300 43700 5 10 1 1 0 0 1
refdes=Q301
T 47700 43200 5 10 0 0 0 0 1
footprint=TO92_CBE
}
C 48000 44500 1 0 0 vcc-2.sym
N 48200 44500 48200 44200 4
C 48100 42000 1 270 0 resistor-2.sym
{
T 48450 41600 5 10 0 0 270 0 1
device=RESISTOR
T 48400 41500 5 10 1 1 0 0 1
refdes=R320
T 48400 41300 5 10 1 1 0 0 1
value=4k7
T 48100 42000 5 10 0 1 0 0 1
footprint=R025
}
N 48200 42000 48200 43200 4
C 47900 40100 1 0 0 vcc-minus-1.sym
N 48200 40700 48200 41100 4
C 46700 42000 1 270 0 resistor-2.sym
{
T 47050 41600 5 10 0 0 270 0 1
device=RESISTOR
T 47000 41500 5 10 1 1 0 0 1
refdes=R319
T 47000 41300 5 10 1 1 0 0 1
value=1M
T 46700 42000 5 10 0 1 0 0 1
footprint=R025
}
C 46700 40300 1 0 0 gnd-1.sym
N 46800 40600 46800 41100 4
N 46800 42000 46800 43700 4
N 45600 43700 47700 43700 4
C 48500 42300 1 0 0 capacitor-4.sym
{
T 48700 43400 5 10 0 0 0 0 1
device=POLARIZED_CAPACITOR
T 48700 42800 5 10 1 1 0 0 1
refdes=C302
T 48700 43000 5 10 0 0 0 0 1
symversion=0.1
T 48500 42300 5 10 1 1 0 0 1
value=10u
T 48500 42300 5 10 0 1 0 0 1
footprint=RCY100P
}
N 48500 42500 48200 42500 4
C 49800 42400 1 270 0 resistor-2.sym
{
T 50150 42000 5 10 0 0 270 0 1
device=RESISTOR
T 50100 41900 5 10 1 1 0 0 1
refdes=R330
T 50100 41700 5 10 1 1 0 0 1
value=33k
T 49800 42400 5 10 0 1 0 0 1
footprint=R025
}
N 49900 42400 49900 42500 4
N 51400 41300 49900 41300 4
T 50100 42200 9 10 1 0 0 0 1
TODO: figure out by just how much the signal should be attenuated. 
C 50000 48400 1 270 0 resistor-2.sym
{
T 50350 48000 5 10 0 0 270 0 1
device=RESISTOR
T 50300 47900 5 10 1 1 0 0 1
refdes=R309
T 50300 48100 5 10 1 1 0 0 1
value=100k
T 50000 48400 5 10 0 1 0 0 1
footprint=R025
}
N 49700 48000 49700 49000 4
N 49700 49000 50100 49000 4
N 50100 49000 50100 48400 4