diff options
Diffstat (limited to 'gschem/preamp_bass.sch')
| -rw-r--r-- | gschem/preamp_bass.sch | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/gschem/preamp_bass.sch b/gschem/preamp_bass.sch new file mode 100644 index 0000000..579ebb9 --- /dev/null +++ b/gschem/preamp_bass.sch @@ -0,0 +1,225 @@ +v 20110115 2 +C 40000 40000 0 0 0 title-B.sym +C 46100 47700 1 0 1 capacitor-4.sym +{ +T 45900 48800 5 10 0 0 0 6 1 +device=POLARIZED_CAPACITOR +T 45800 48200 5 10 1 1 0 6 1 +refdes=C4 +T 45900 48400 5 10 0 0 0 6 1 +symversion=0.1 +T 45500 47400 5 10 1 1 0 0 1 +value=10u +} +C 48200 46500 1 90 0 capacitor-4.sym +{ +T 47100 46700 5 10 0 0 90 0 1 +device=POLARIZED_CAPACITOR +T 47700 47200 5 10 1 1 180 0 1 +refdes=C3 +T 47500 46700 5 10 0 0 90 0 1 +symversion=0.1 +T 47300 46800 5 10 1 1 0 0 1 +value=3.3u +} +C 46500 48200 1 90 0 resistor-2.sym +{ +T 46150 48600 5 10 0 0 90 0 1 +device=RESISTOR +T 46200 48900 5 10 1 1 180 0 1 +refdes=R8 +T 45900 48600 5 10 1 1 0 0 1 +value=10k +} +C 46500 46700 1 90 0 resistor-2.sym +{ +T 46150 47100 5 10 0 0 90 0 1 +device=RESISTOR +T 46200 47300 5 10 1 1 180 0 1 +refdes=R7 +T 45900 47000 5 10 1 1 0 0 1 +value=10k +} +C 47600 48000 1 180 0 resistor-2.sym +{ +T 47200 47650 5 10 0 0 180 0 1 +device=RESISTOR +T 47300 48200 5 10 1 1 180 0 1 +refdes=R6 +T 47000 47600 5 10 1 1 0 0 1 +value=5.1M +} +N 46100 47900 46700 47900 4 +N 45200 47900 44800 47900 4 +N 44800 47900 44800 46500 4 +N 46400 46700 46400 46500 4 +N 46400 49100 46400 49800 4 +C 45500 44700 1 0 0 capacitor-1.sym +{ +T 45700 45400 5 10 0 0 0 0 1 +device=CAPACITOR +T 45800 45200 5 10 1 1 0 0 1 +refdes=C1 +T 45700 45600 5 10 0 0 0 0 1 +symversion=0.1 +T 45700 44500 5 10 1 1 0 0 1 +value=0.47u +} +C 48000 43500 1 90 0 capacitor-1.sym +{ +T 47300 43700 5 10 0 0 90 0 1 +device=CAPACITOR +T 48300 44200 5 10 1 1 180 0 1 +refdes=C2 +T 47100 43700 5 10 0 0 90 0 1 +symversion=0.1 +T 48100 43800 5 10 1 1 0 0 1 +value=10p +} +C 48300 47700 1 0 0 JFET_N-Channel-1.sym +{ +T 48650 48500 5 10 1 1 0 6 1 +model=J201 +T 48300 49750 5 10 0 0 0 0 1 +device=JFET N-Channel +} +N 47600 47900 48300 47900 4 +N 48000 47400 48000 47900 4 +C 48300 44700 1 0 0 JFET_N-Channel-1.sym +{ +T 48650 45500 5 10 1 1 0 6 1 +model=J201 +T 48300 46750 5 10 0 0 0 0 1 +device=JFET N-Channel +} +C 50000 45700 1 0 0 JFET_N-Channel-1.sym +{ +T 50850 46000 5 10 1 1 0 6 1 +model=J201 +T 50000 47750 5 10 0 0 0 0 1 +device=JFET N-Channel +} +N 48700 47700 48700 45900 4 +N 48000 45900 50000 45900 4 +N 48000 45900 48000 46500 4 +N 49500 45900 49500 46300 4 +N 48700 45900 48700 45500 4 +C 49400 49800 1 270 0 resistor-2.sym +{ +T 49750 49400 5 10 0 0 270 0 1 +device=RESISTOR +T 49700 49400 5 10 1 1 0 0 1 +refdes=R9 +T 49700 49200 5 10 1 1 0 0 1 +value=100 +} +C 50900 48800 1 180 1 capacitor-4.sym +{ +T 51100 47700 5 10 0 0 180 6 1 +device=POLARIZED_CAPACITOR +T 51200 49000 5 10 1 1 180 6 1 +refdes=C5 +T 51100 48100 5 10 0 0 180 6 1 +symversion=0.1 +T 51100 48200 5 10 1 1 0 0 1 +value=100u +} +N 48700 48500 48700 48600 4 +N 48700 48600 50900 48600 4 +N 49500 48900 49500 48600 4 +N 50400 46500 50400 48600 4 +C 50300 44500 1 270 0 resistor-2.sym +{ +T 50650 44100 5 10 0 0 270 0 1 +device=RESISTOR +T 50600 44000 5 10 1 1 0 0 1 +refdes=R5 +T 50600 43800 5 10 1 1 0 0 1 +value=10k +} +C 48600 44500 1 270 0 resistor-2.sym +{ +T 48950 44100 5 10 0 0 270 0 1 +device=RESISTOR +T 48900 44000 5 10 1 1 0 0 1 +refdes=R2 +T 48900 43800 5 10 1 1 0 0 1 +value=6k8 +} +C 49400 44500 1 270 0 resistor-2.sym +{ +T 49750 44100 5 10 0 0 270 0 1 +device=RESISTOR +T 49700 44000 5 10 1 1 0 0 1 +refdes=R3 +T 49700 43800 5 10 1 1 0 0 1 +value=220k +} +N 49500 45900 49500 44500 4 +N 50400 45700 50400 44500 4 +N 48700 44700 48700 44500 4 +N 46400 44900 48300 44900 4 +N 47800 44900 47800 44400 4 +C 46800 44500 1 270 0 resistor-2.sym +{ +T 47150 44100 5 10 0 0 270 0 1 +device=RESISTOR +T 46500 44000 5 10 1 1 0 0 1 +refdes=R1 +T 46400 43800 5 10 1 1 0 0 1 +value=10M +} +N 46900 44500 46900 44900 4 +C 43600 44800 1 0 0 input-2.sym +{ +T 43700 44500 5 10 1 0 0 0 1 +net=INPUT:2 +T 44200 45500 5 10 0 0 0 0 1 +device=none +T 44100 44900 5 10 1 1 0 7 1 +value=BASS +} +N 45000 44900 45500 44900 4 +C 46200 49800 1 0 0 vcc-2.sym +C 49300 49800 1 0 0 vcc-2.sym +C 49300 47400 1 0 0 vcc-2.sym +C 44500 45900 1 0 0 vcc-minus-1.sym +C 46100 45900 1 0 0 vcc-minus-1.sym +C 46600 42900 1 0 0 vcc-minus-1.sym +C 47500 42900 1 0 0 vcc-minus-1.sym +C 48400 42900 1 0 0 vcc-minus-1.sym +C 49200 42900 1 0 0 vcc-minus-1.sym +C 50100 42900 1 0 0 vcc-minus-1.sym +C 51700 47400 1 0 0 vcc-minus-1.sym +N 51800 48600 52000 48600 4 +N 52000 48600 52000 48000 4 +N 46400 47900 46400 48200 4 +N 46400 47600 46400 47900 4 +N 46900 43500 46900 43600 4 +N 48700 43500 48700 43600 4 +N 49500 43500 49500 43600 4 +N 50400 43500 50400 43600 4 +C 52900 45000 1 180 0 input-2.sym +{ +T 53000 44700 5 10 1 0 180 0 1 +net=PREAMP:2 +T 52300 44300 5 10 0 0 180 0 1 +device=none +T 52400 44900 5 10 1 1 180 7 1 +value=BASS OUTPUT +} +N 51500 44900 50400 44900 4 +N 49500 47200 49500 47400 4 +C 49400 47200 1 270 0 resistor-2.sym +{ +T 49750 46800 5 10 0 0 270 0 1 +device=RESISTOR +T 49700 46700 5 10 1 1 0 0 1 +refdes=R4 +T 49700 46500 5 10 1 1 0 0 1 +value=220k +} +T 50200 40900 9 16 1 0 0 0 1 +Preamp (Bass) +T 52200 44000 9 10 1 0 0 0 1 +TODO: need coupling capacitor? |