add virtual ground IC

2 files changed, 95 insertions, 0 deletions

diff --git a/gschem/lib/symbols/tle2426.sym b/gschem/lib/symbols/tle2426.sym
new file mode 100644
index 0000000..e68286f
--- /dev/null
+++ b/gschem/lib/symbols/tle2426.sym
@@ -0,0 +1,45 @@
+v 20110115 2
+L 200 900 200 100 3 0 0 0 -1 -1
+L 200 900 800 500 3 0 0 0 -1 -1
+L 200 100 800 500 3 0 0 0 -1 -1
+P 1000 500 800 500 1 0 0
+{
+T 1300 500 5 10 0 0 0 0 1
+pintype=out
+T 900 700 5 10 0 1 0 6 1
+pinlabel=Vout
+T 895 545 5 10 1 1 0 0 1
+pinnumber=3
+T 1300 500 5 10 0 0 0 0 1
+pinseq=3
+}
+P 0 500 200 500 1 0 0
+{
+T -300 500 5 10 0 0 0 0 1
+pintype=in
+T 255 495 5 10 0 1 0 0 1
+pinlabel=Vin
+T 105 545 5 10 1 1 0 6 1
+pinnumber=1
+T -300 500 5 10 0 0 0 0 1
+pinseq=1
+}
+P 500 100 500 300 1 0 0
+{
+T 500 -200 5 10 0 0 0 0 1
+pintype=pwr
+T 1300 300 5 10 0 1 180 0 1
+pinlabel=Common
+T 295 150 5 10 1 1 180 6 1
+pinnumber=2
+T 500 -200 5 10 0 0 0 0 1
+pinseq=2
+}
+T -305 -505 8 10 0 1 0 0 1
+device=TLE2426
+T -300 -300 8 10 0 1 0 0 1
+footprint=TO92
+T -300 -400 8 10 0 1 0 0 1
+description=Precision virtual ground
+T 400 900 8 10 1 1 0 0 1
+refdes=U?
diff --git a/gschem/outputs.sch b/gschem/outputs.sch
index 65ca5ce..7404262 100644
--- a/gschem/outputs.sch
+++ b/gschem/outputs.sch
@@ -518,3 +518,53 @@ T 65800 46700 9 10 1 0 0 0 1
 XLR out
 T 45700 49300 9 10 1 0 0 0 1
 TODO: add off-board wiring of volume control
+C 54500 40600 1 0 0 tle2426.sym
+{
+T 54195 40095 5 10 0 1 0 0 1
+device=TLE2426
+T 54200 40300 5 10 0 1 0 0 1
+footprint=TO92
+T 54900 41500 5 10 1 1 0 0 1
+refdes=U501
+}
+C 54700 39200 1 0 0 vcc-minus-1.sym
+N 55000 39800 55000 40700 4
+C 56600 40800 1 0 0 gnd-1.sym
+N 55500 41100 56700 41100 4
+C 53600 41400 1 0 0 vcc-2.sym
+N 53800 41100 54500 41100 4
+N 53800 40800 53800 41400 4
+C 53600 40800 1 270 0 capacitor-4.sym
+{
+T 54700 40600 5 10 0 0 270 0 1
+device=POLARIZED_CAPACITOR
+T 54100 40200 5 10 1 1 0 0 1
+refdes=C510
+T 54300 40600 5 10 0 0 270 0 1
+symversion=0.1
+T 53600 40800 5 10 0 0 0 0 1
+footprint=RCY200P
+T 54000 39900 5 10 1 1 0 0 1
+value=470uF
+}
+C 55800 40800 1 270 0 capacitor-4.sym
+{
+T 56900 40600 5 10 0 0 270 0 1
+device=POLARIZED_CAPACITOR
+T 56300 40200 5 10 1 1 0 0 1
+refdes=C511
+T 56500 40600 5 10 0 0 270 0 1
+symversion=0.1
+T 55800 40800 5 10 0 0 0 0 1
+footprint=RCY200P
+T 56200 39900 5 10 1 1 0 0 1
+value=470uF
+}
+N 56000 41100 56000 40800 4
+C 53500 39200 1 0 0 vcc-minus-1.sym
+C 55700 39200 1 0 0 vcc-minus-1.sym
+N 56000 39800 56000 39900 4
+N 53800 39800 53800 39900 4
+B 53000 38900 4300 3300 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+T 53000 42400 9 10 1 0 0 0 1
+Virtual ground