path: root/gschem/tuner.sch

v 20110115 2
C 49800 42000 1 270 0 resistor-2.sym
{
T 50150 41600 5 10 0 0 270 0 1
device=RESISTOR
T 50100 41500 5 10 1 1 0 0 1
refdes=R301
T 50100 41300 5 10 1 1 0 0 1
value=100k
T 49800 42000 5 10 0 1 0 0 1
footprint=R025
}
N 49900 42500 49900 42000 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 42800 44700 4
C 49600 40100 1 0 0 vcc-minus-1.sym
N 49900 40700 49900 41100 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 42800 43100 4
N 48200 42500 51400 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 44900 45000 5 10 1 1 180 0 1
refdes=R303
T 44900 44500 5 10 1 1 180 0 1
value=100k
T 44300 44600 5 10 0 1 0 0 1
footprint=R025
}
N 43700 44700 44300 44700 4
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 44300 43100 43700 43100 4
N 45600 43100 45600 44700 4
N 45600 43100 45200 43100 4
C 45400 48200 1 0 0 JFET_N-Channel-1.sym
{
T 45750 49000 5 10 1 1 0 6 1
model=J201
T 45400 50250 5 10 0 0 0 0 1
device=JFET N-Channel
T 45400 48200 5 10 1 1 0 0 1
refdes=Q302
T 45400 48200 5 10 0 1 0 0 1
footprint=TO92
}
C 44700 47100 1 90 0 resistor-2.sym
{
T 44350 47500 5 10 0 0 90 0 1
device=RESISTOR
T 44800 47600 5 10 1 1 0 0 1
refdes=R305
T 44800 47400 5 10 1 1 0 0 1
value=1M
T 44700 47100 5 10 0 1 0 0 1
footprint=R025
}
N 44000 44700 44000 48400 4
N 44600 48000 44600 48400 4
C 45600 49500 1 0 0 vcc-2.sym
N 45800 49500 45800 49000 4
C 45900 47100 1 90 0 resistor-2.sym
{
T 45550 47500 5 10 0 0 90 0 1
device=RESISTOR
T 46000 47600 5 10 1 1 0 0 1
refdes=R307
T 46000 47400 5 10 1 1 0 0 1
value=4k7
T 45900 47100 5 10 0 1 0 0 1
footprint=R025
}
C 45500 46400 1 0 0 vcc-minus-1.sym
N 45800 48200 45800 48000 4
N 44000 48400 45400 48400 4
N 45800 47100 45800 47000 4
C 37200 36900 0 0 0 title-A2.sym
C 46100 47900 1 0 0 capacitor-4.sym
{
T 46300 49000 5 10 0 0 0 0 1
device=POLARIZED_CAPACITOR
T 46300 48400 5 10 1 1 0 0 1
refdes=C301
T 46300 48600 5 10 0 0 0 0 1
symversion=0.1
T 46100 47900 5 10 1 1 0 0 1
value=1u
T 46100 47900 5 10 0 1 0 0 1
footprint=RCY100P
}
N 46100 48100 45800 48100 4
C 42800 44500 1 0 0 capacitor-4.sym
{
T 43000 45600 5 10 0 0 0 0 1
device=POLARIZED_CAPACITOR
T 43000 45000 5 10 1 1 0 0 1
refdes=C303
T 43000 45200 5 10 0 0 0 0 1
symversion=0.1
T 42800 44500 5 10 1 1 0 0 1
value=1u
T 42800 44500 5 10 0 1 0 0 1
footprint=RCY100P
}
C 42800 42900 1 0 0 capacitor-4.sym
{
T 43000 44000 5 10 0 0 0 0 1
device=POLARIZED_CAPACITOR
T 43000 43400 5 10 1 1 0 0 1
refdes=C304
T 43000 43600 5 10 0 0 0 0 1
symversion=0.1
T 42800 42900 5 10 1 1 0 0 1
value=1u
T 42800 42900 5 10 0 1 0 0 1
footprint=RCY100P
}
C 48200 48200 1 180 0 resistor-variable-2.sym
{
T 47850 48700 5 10 1 1 180 0 1
refdes=R309
T 47400 47300 5 10 0 1 180 0 1
device=VARIABLE_RESISTOR
T 47500 48300 5 10 1 1 0 0 1
value=100k?
T 48200 48200 5 10 0 1 0 0 1
footprint=BOURNS_3296w
}
C 47600 47200 1 270 0 resistor-2.sym
{
T 47950 46800 5 10 0 0 270 0 1
device=RESISTOR
T 47900 46700 5 10 1 1 0 0 1
refdes=R310
T 47900 46500 5 10 1 1 0 0 1
value=22k
T 47600 47200 5 10 0 1 0 0 1
footprint=R025
}
C 47400 45500 1 0 0 vcc-minus-1.sym
N 47700 47200 47700 47600 4
N 47700 46100 47700 46300 4
N 47300 48100 47000 48100 4
C 48200 45500 1 0 0 vcc-minus-1.sym
N 48200 48100 48500 48100 4
N 48500 48100 48500 46100 4
N 47700 47400 50000 47400 4
T 47900 46200 9 10 1 0 0 0 1
taper resistor
T 47000 49000 9 10 1 0 0 0 1
trim pot to control send level
N 45200 44700 45600 44700 4
C 51400 48100 1 90 0 stereo_jack-1.sym
{
T 49700 48395 5 10 1 1 90 0 1
refdes=K301
T 49100 48395 5 10 0 0 90 0 1
device=CONNECTOR
T 51400 48100 5 10 0 0 0 0 1
graphical=1
}
C 50900 47200 1 0 0 vcc-minus-1.sym
N 51200 47800 51200 48100 4
N 50300 48100 50600 48100 4
N 50000 47000 50000 48100 4
C 53500 46700 1 180 0 input-2.sym
{
T 53600 46400 5 10 1 0 180 0 1
net=MELODY:1
T 52900 46000 5 10 0 0 180 0 1
device=none
T 53000 46600 5 10 1 1 180 7 1
value=MELODY RETURN
}
N 50900 48100 50900 46600 4
N 50900 46600 52100 46600 4
C 53100 42700 1 180 0 connector2-1.sym
{
T 52900 41700 5 10 0 0 180 0 1
device=CONNECTOR_2
T 53100 41900 5 10 1 1 180 0 1
refdes=CONN301
T 53100 42700 5 10 0 0 0 0 1
footprint=CONNECTOR 1 2
}
C 50600 40100 1 0 0 vcc-minus-1.sym
N 50900 40700 50900 42200 4
N 50900 42200 51400 42200 4
T 52200 41500 9 10 1 0 0 0 1
Tuner OUT (mono)
C 50500 45300 1 90 0 connector2-1.sym
{
T 49500 45500 5 10 0 0 90 0 1
device=CONNECTOR_2
T 49700 45300 5 10 1 1 90 0 1
refdes=CONN302
T 50500 45300 5 10 0 0 270 0 1
footprint=CONNECTOR 1 2
}
N 50300 47000 50900 47000 4
T 49800 44700 9 10 1 0 0 0 3
This connector is used
because I only need two pins
on the board.
C 44500 46400 1 0 0 gnd-1.sym
N 44600 46700 44600 47100 4
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
T 42400 42000 9 10 1 0 0 0 1
TODO: do we need a cap after the resistors?
T 45000 50400 9 10 1 0 0 0 1
TODO: replace JFET with bipolar NPN trannie