From 1653758c07be4be87c365fe67ca0c4aef81f43a8 Mon Sep 17 00:00:00 2001
From: Dan White <dan@whiteaudio.com>
Date: Fri, 10 Feb 2012 11:48:38 -0600
Subject: [PATCH] Add LPF to DAC outputs

---
 sch-pcb/devboard/atoi-6.sch | 396 +++++++++++++++++++++++++++---------
 1 file changed, 302 insertions(+), 94 deletions(-)

diff --git a/sch-pcb/devboard/atoi-6.sch b/sch-pcb/devboard/atoi-6.sch
index 7bb1f42..180dbf0 100644
--- a/sch-pcb/devboard/atoi-6.sch
+++ b/sch-pcb/devboard/atoi-6.sch
@@ -260,9 +260,9 @@ footprint=TSSOP_16N__TI
 T 51300 49400 5 10 1 1 0 3 1
 refdes=U603
 }
-N 49800 48400 48900 48400 4
+N 48900 48400 48000 48400 4
 {
-T 49000 48400 5 10 1 1 0 0 1
+T 48100 48400 5 10 1 1 0 0 1
 netname=DAC0_0
 }
 C 51200 45400 1 0 0 gnd-1.sym
@@ -270,39 +270,39 @@ C 51200 45400 1 0 0 gnd-1.sym
 T 51100 45250 5 10 0 1 0 0 1
 net=GND:1
 }
-N 49800 48000 48900 48000 4
+N 48900 48000 48000 48000 4
 {
-T 49000 48000 5 10 1 1 0 0 1
+T 48100 48000 5 10 1 1 0 0 1
 netname=DAC0_2
 }
-N 49800 47600 48900 47600 4
+N 48900 47600 48000 47600 4
 {
-T 49000 47600 5 10 1 1 0 0 1
+T 48100 47600 5 10 1 1 0 0 1
 netname=DAC0_4
 }
-N 49800 47200 48900 47200 4
+N 48900 47200 48000 47200 4
 {
-T 49000 47200 5 10 1 1 0 0 1
+T 48100 47200 5 10 1 1 0 0 1
 netname=DAC0_6
 }
-N 53600 48400 52700 48400 4
+N 53600 48400 54800 48400 4
 {
-T 52900 48400 5 10 1 1 0 0 1
+T 54100 48400 5 10 1 1 0 0 1
 netname=DAC0_1
 }
-N 52700 48000 54800 48000 4
+N 53600 48000 55000 48000 4
 {
-T 52900 48000 5 10 1 1 0 0 1
+T 54100 48000 5 10 1 1 0 0 1
 netname=DAC0_3
 }
-N 53600 47600 52700 47600 4
+N 53600 47600 55000 47600 4
 {
-T 52900 47600 5 10 1 1 0 0 1
+T 54100 47600 5 10 1 1 0 0 1
 netname=DAC0_5
 }
-N 53600 47200 52700 47200 4
+N 53600 47200 55000 47200 4
 {
-T 52900 47200 5 10 1 1 0 0 1
+T 54100 47200 5 10 1 1 0 0 1
 netname=DAC0_7
 }
 C 40500 46700 1 0 0 flag-2.sym
@@ -325,25 +325,25 @@ N 43700 50000 43700 49400 4
 N 41700 49600 41700 50200 4
 N 41700 50200 44100 50200 4
 N 44100 50200 44100 49400 4
-N 56600 49500 55400 49500 4
+N 56700 49500 55600 49500 4
 {
 T 55800 49500 5 10 1 1 0 0 1
 netname=DAC0_0
 }
 C 55700 49400 1 0 0 flag-2.sym
-N 56600 49100 55400 49100 4
+N 56700 49100 55600 49100 4
 {
 T 55800 49100 5 10 1 1 0 0 1
 netname=DAC0_1
 }
 C 55700 49000 1 0 0 flag-2.sym
-N 56600 48700 55400 48700 4
+N 56700 48700 55600 48700 4
 {
 T 55800 48700 5 10 1 1 0 0 1
 netname=INA
 }
 C 55700 48600 1 0 0 flag-2.sym
-N 56600 48300 55400 48300 4
+N 56700 48300 55600 48300 4
 {
 T 55800 48300 5 10 1 1 0 0 1
 netname=INB
@@ -387,19 +387,19 @@ N 53900 49600 52700 49600 4
 T 52900 49600 5 10 1 1 0 0 1
 netname=SCLK0
 }
-C 46300 48400 1 0 0 resistor-3.sym
+C 46000 48400 1 0 0 resistor-3.sym
 {
-T 46400 49400 5 10 0 0 0 0 1
+T 46100 49400 5 10 0 0 0 0 1
 device=RESISTOR
-T 46600 49000 5 10 1 1 0 0 1
+T 46300 49000 5 10 1 1 0 0 1
 refdes=R601
-T 46600 48800 5 10 1 1 0 0 1
+T 46300 48800 5 10 1 1 0 0 1
 value=1k
-T 46300 48400 5 10 0 0 0 0 1
+T 46000 48400 5 10 0 0 0 0 1
 footprint=0805-JMP
 }
-N 44900 49400 46400 49400 4
-N 46400 49400 46400 49300 4
+N 44900 49400 46100 49400 4
+N 46100 49400 46100 49300 4
 N 45500 46800 45800 46800 4
 N 45500 47200 45800 47200 4
 N 45800 46800 45800 47300 4
@@ -440,18 +440,18 @@ T 40600 46000 5 10 1 1 0 0 1
 netname=RST
 }
 C 40500 45900 1 0 0 flag-2.sym
-C 47300 46400 1 0 0 capacitor-3.sym
+C 45900 46400 1 0 0 capacitor-3.sym
 {
-T 47300 47400 5 10 0 0 0 0 1
+T 45900 47400 5 10 0 0 0 0 1
 device=CAPACITOR
-T 47600 47000 5 10 1 1 0 0 1
+T 46200 47000 5 10 1 1 0 0 1
 refdes=C602
-T 47300 47600 5 10 0 0 0 0 1
+T 45900 47600 5 10 0 0 0 0 1
 symversion=0.1
-T 47600 46600 5 10 1 1 0 0 1
+T 46200 46600 5 10 1 1 0 0 1
 value=10u
 }
-N 47500 47300 45800 47300 4
+N 46100 47300 45800 47300 4
 C 46700 45000 1 0 0 capacitor-3.sym
 {
 T 46700 46000 5 10 0 0 0 0 1
@@ -465,26 +465,21 @@ value=10u
 }
 N 46900 45000 46200 45000 4
 N 46900 45900 46900 46000 4
-C 46600 47000 1 0 0 gnd-1.sym
+C 45900 47300 1 0 0 capacitor-3.sym
 {
-T 46500 46850 5 10 0 1 0 0 1
-net=GND:1
-}
-C 46200 47300 1 0 0 capacitor-3.sym
-{
-T 46200 48300 5 10 0 0 0 0 1
+T 45900 48300 5 10 0 0 0 0 1
 device=CAPACITOR
-T 46500 47900 5 10 1 1 0 0 1
+T 46200 47900 5 10 1 1 0 0 1
 refdes=C601
-T 46200 48500 5 10 0 0 0 0 1
+T 45900 48500 5 10 0 0 0 0 1
 symversion=0.1
-T 46500 47500 5 10 1 1 0 0 1
+T 46200 47500 5 10 1 1 0 0 1
 value=1n
 }
-N 45500 48000 45900 48000 4
-N 45900 48000 45900 48300 4
-N 45900 48300 46400 48300 4
-N 46400 48200 46400 48400 4
+N 45500 48000 45700 48000 4
+N 45700 48000 45700 48300 4
+N 45700 48300 46100 48300 4
+N 46100 48200 46100 48400 4
 N 52700 49200 53900 49200 4
 {
 T 52900 49200 5 10 1 1 0 0 1
@@ -688,68 +683,68 @@ T 40600 45600 5 10 1 1 0 0 1
 netname=IRQ
 }
 C 40500 45500 1 0 0 flag-2.sym
-C 55500 48600 1 90 0 jumper.sym
+C 55700 48600 1 90 0 jumper.sym
 {
-T 54900 48800 5 10 1 1 0 0 1
+T 55100 48800 5 10 1 1 0 0 1
 refdes=J604
-T 55300 48900 5 8 0 1 90 0 1
+T 55500 48900 5 8 0 1 90 0 1
 footprint=JMP_2PIN
-T 53400 48700 5 8 0 0 90 0 1
+T 53600 48700 5 8 0 0 90 0 1
 symversion=1.0
-T 55200 48900 5 8 0 1 90 0 1
+T 55400 48900 5 8 0 1 90 0 1
 value=Jumper
-T 53200 48700 5 8 0 0 90 0 1
+T 53400 48700 5 8 0 0 90 0 1
 value=jumper
 }
-C 55500 48200 1 90 0 jumper.sym
+C 55700 48200 1 90 0 jumper.sym
 {
-T 54900 48400 5 10 1 1 0 0 1
+T 55100 48400 5 10 1 1 0 0 1
 refdes=J606
-T 55300 48500 5 8 0 1 90 0 1
+T 55500 48500 5 8 0 1 90 0 1
 footprint=JMP_2PIN
-T 53400 48300 5 8 0 0 90 0 1
+T 53600 48300 5 8 0 0 90 0 1
 symversion=1.0
-T 55200 48500 5 8 0 1 90 0 1
+T 55400 48500 5 8 0 1 90 0 1
 value=Jumper
-T 53200 48300 5 8 0 0 90 0 1
+T 53400 48300 5 8 0 0 90 0 1
 value=jumper
 }
-N 54800 48700 53800 48700 4
+N 55000 48700 54200 48700 4
 {
-T 54100 48700 5 10 1 1 0 0 1
+T 54300 48700 5 10 1 1 0 0 1
 netname=DAC0_2
 }
-N 54800 48000 54800 48300 4
-C 53000 46100 1 0 0 jumper-3.sym
+N 55000 48000 55000 48300 4
+C 52800 46100 1 0 0 jumper-3.sym
 {
-T 52900 48000 5 8 0 0 0 0 1
+T 52700 48000 5 8 0 0 0 0 1
 device=JUMPER-1xUM
-T 53100 46700 5 10 1 1 0 0 1
+T 52800 46700 5 10 1 1 0 0 1
 refdes=J605
-T 53100 47000 5 10 0 1 0 0 1
+T 52900 47000 5 10 0 1 0 0 1
 value=JMP
-T 53100 45900 5 8 0 1 0 0 1
+T 52900 45900 5 8 0 1 0 0 1
 footprint=1x3PIN
 }
-N 53000 46400 52700 46400 4
-N 53400 46200 54100 46200 4
+N 52800 46400 52700 46400 4
+N 53200 46200 53700 46200 4
 {
-T 53600 46200 5 10 1 1 0 0 1
+T 53300 46200 5 10 1 1 0 0 1
 netname=RST
 }
-C 53900 46600 1 0 0 generic-power.sym
+C 53300 46600 1 0 0 generic-power.sym
 {
-T 54100 46850 5 10 1 1 0 3 1
+T 53400 46950 5 10 1 1 0 3 1
 net=AVdd_dev:1
 }
-N 54100 46600 53400 46600 4
-N 44900 44600 44900 42500 4
-N 44900 42500 40400 42500 4
+N 53500 46600 53200 46600 4
+N 44900 44600 44900 42800 4
+N 44900 42800 40400 42800 4
 {
-T 40600 42500 5 10 1 1 0 0 1
+T 40600 42800 5 10 1 1 0 0 1
 netname=CONVST
 }
-C 40500 42400 1 0 0 flag-2.sym
+C 40500 42700 1 0 0 flag-2.sym
 C 50300 50600 1 0 0 gnd-1.sym
 {
 T 50200 50450 5 10 0 1 0 0 1
@@ -803,34 +798,29 @@ C 47000 40700 1 0 0 gnd-1.sym
 T 46900 40550 5 10 0 1 0 0 1
 net=GND:1
 }
-C 48300 48300 1 0 0 pad-l-2.sym
+C 47400 48300 1 0 0 pad-l-2.sym
 {
-T 48300 48500 5 10 1 1 0 0 1
+T 47400 48500 5 10 1 1 0 0 1
 refdes=TP601
 }
-C 48300 47500 1 0 0 pad-l-2.sym
+C 47400 47500 1 0 0 pad-l-2.sym
 {
-T 48300 47700 5 10 1 1 0 0 1
+T 47400 47700 5 10 1 1 0 0 1
 refdes=TP602
 }
-C 48300 47100 1 0 0 pad-l-2.sym
+C 47400 47100 1 0 0 pad-l-2.sym
 {
-T 48300 47300 5 10 1 1 0 0 1
+T 47400 47300 5 10 1 1 0 0 1
 refdes=TP603
 }
-C 54200 48300 1 0 1 pad-l-2.sym
+C 55600 47500 1 0 1 pad-l-2.sym
 {
-T 54200 48500 5 10 1 1 0 6 1
-refdes=TP604
-}
-C 54200 47500 1 0 1 pad-l-2.sym
-{
-T 54200 47700 5 10 1 1 0 6 1
+T 55600 47700 5 10 1 1 0 6 1
 refdes=TP605
 }
-C 54200 47100 1 0 1 pad-l-2.sym
+C 55600 47100 1 0 1 pad-l-2.sym
 {
-T 54200 47300 5 10 1 1 0 6 1
+T 55600 47300 5 10 1 1 0 6 1
 refdes=TP606
 }
 N 53000 42500 53200 42500 4
@@ -873,9 +863,9 @@ N 51400 44700 51400 44100 4
 N 51400 44100 51200 44100 4
 N 50500 44500 50400 44500 4
 N 50500 42700 50400 42700 4
-C 47000 49300 1 0 1 pad-l-2.sym
+C 46700 49300 1 0 1 pad-l-2.sym
 {
-T 47000 49500 5 10 1 1 0 6 1
+T 46700 49500 5 10 1 1 0 6 1
 refdes=TP607
 }
 C 47500 46000 1 270 0 ferrite-bead-1.sym
@@ -934,3 +924,221 @@ symversion=0.1
 }
 N 46600 41900 47500 41900 4
 N 46600 41000 47500 41000 4
+C 52700 48300 1 0 0 resistor-1.sym
+{
+T 53000 48700 5 10 0 0 0 0 1
+device=RESISTOR
+T 52700 48500 5 10 1 1 0 0 1
+refdes=R606
+T 53300 48500 5 10 1 1 0 0 1
+value=100
+}
+C 52700 47900 1 0 0 resistor-1.sym
+{
+T 53000 48300 5 10 0 0 0 0 1
+device=RESISTOR
+T 52700 48100 5 10 1 1 0 0 1
+refdes=R607
+T 53300 48100 5 10 1 1 0 0 1
+value=100
+}
+C 52700 47500 1 0 0 resistor-1.sym
+{
+T 53000 47900 5 10 0 0 0 0 1
+device=RESISTOR
+T 52700 47700 5 10 1 1 0 0 1
+refdes=R608
+T 53300 47700 5 10 1 1 0 0 1
+value=100
+}
+C 52700 47100 1 0 0 resistor-1.sym
+{
+T 53000 47500 5 10 0 0 0 0 1
+device=RESISTOR
+T 52700 47300 5 10 1 1 0 0 1
+refdes=R609
+T 53300 47300 5 10 1 1 0 0 1
+value=100
+}
+C 54000 49000 1 90 1 pad-l-2.sym
+{
+T 53800 49000 5 10 1 1 90 6 1
+refdes=TP604
+}
+C 45700 46500 1 0 0 gnd-1.sym
+{
+T 45600 46350 5 10 0 1 0 0 1
+net=GND:1
+}
+C 48900 48300 1 0 0 resistor-1.sym
+{
+T 49200 48700 5 10 0 0 0 0 1
+device=RESISTOR
+T 48900 48500 5 10 1 1 0 0 1
+refdes=R610
+T 49500 48500 5 10 1 1 0 0 1
+value=100
+}
+C 48900 47900 1 0 0 resistor-1.sym
+{
+T 49200 48300 5 10 0 0 0 0 1
+device=RESISTOR
+T 48900 48100 5 10 1 1 0 0 1
+refdes=R611
+T 49500 48100 5 10 1 1 0 0 1
+value=100
+}
+C 48900 47500 1 0 0 resistor-1.sym
+{
+T 49200 47900 5 10 0 0 0 0 1
+device=RESISTOR
+T 48900 47700 5 10 1 1 0 0 1
+refdes=R612
+T 49500 47700 5 10 1 1 0 0 1
+value=100
+}
+C 48900 47100 1 0 0 resistor-1.sym
+{
+T 49200 47500 5 10 0 0 0 0 1
+device=RESISTOR
+T 48900 47300 5 10 1 1 0 0 1
+refdes=R613
+T 49500 47300 5 10 1 1 0 0 1
+value=100
+}
+C 40800 40600 1 0 0 capacitor-3.sym
+{
+T 41100 41200 5 10 1 1 0 0 1
+refdes=C611
+T 41100 40800 5 10 1 1 0 0 1
+value=100n
+T 40800 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 40800 41800 5 10 0 0 0 0 1
+symversion=0.1
+}
+C 41400 40600 1 0 0 capacitor-3.sym
+{
+T 41700 41200 5 10 1 1 0 0 1
+refdes=C612
+T 41700 40800 5 10 1 1 0 0 1
+value=100n
+T 41400 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 41400 41800 5 10 0 0 0 0 1
+symversion=0.1
+}
+C 42000 40600 1 0 0 capacitor-3.sym
+{
+T 42300 41200 5 10 1 1 0 0 1
+refdes=C613
+T 42300 40800 5 10 1 1 0 0 1
+value=100n
+T 42000 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 42000 41800 5 10 0 0 0 0 1
+symversion=0.1
+}
+C 42600 40600 1 0 0 capacitor-3.sym
+{
+T 42900 41200 5 10 1 1 0 0 1
+refdes=C614
+T 42900 40800 5 10 1 1 0 0 1
+value=100n
+T 42600 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 42600 41800 5 10 0 0 0 0 1
+symversion=0.1
+}
+C 43200 40600 1 0 0 capacitor-3.sym
+{
+T 43200 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 43200 41800 5 10 0 0 0 0 1
+symversion=0.1
+T 43500 41200 5 10 1 1 0 0 1
+refdes=C615
+T 43500 40800 5 10 1 1 0 0 1
+value=100n
+}
+C 43800 40600 1 0 0 capacitor-3.sym
+{
+T 43800 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 43800 41800 5 10 0 0 0 0 1
+symversion=0.1
+T 44100 41200 5 10 1 1 0 0 1
+refdes=C616
+T 44100 40800 5 10 1 1 0 0 1
+value=100n
+}
+C 44400 40600 1 0 0 capacitor-3.sym
+{
+T 44400 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 44400 41800 5 10 0 0 0 0 1
+symversion=0.1
+T 44700 41200 5 10 1 1 0 0 1
+refdes=C617
+T 44700 40800 5 10 1 1 0 0 1
+value=100n
+}
+C 45000 40600 1 0 0 capacitor-3.sym
+{
+T 45000 41600 5 10 0 0 0 0 1
+device=CAPACITOR
+T 45000 41800 5 10 0 0 0 0 1
+symversion=0.1
+T 45300 41200 5 10 1 1 0 0 1
+refdes=C618
+T 45300 40800 5 10 1 1 0 0 1
+value=100n
+}
+N 41000 41500 41000 42100 4
+{
+T 41000 41600 5 10 1 1 90 0 1
+netname=DAC0_0
+}
+N 41600 41500 41600 42100 4
+{
+T 41600 41600 5 10 1 1 90 0 1
+netname=DAC0_1
+}
+N 42200 41500 42200 42100 4
+{
+T 42200 41600 5 10 1 1 90 0 1
+netname=DAC0_2
+}
+N 42800 41500 42800 42100 4
+{
+T 42800 41600 5 10 1 1 90 0 1
+netname=DAC0_3
+}
+N 43400 41500 43400 42100 4
+{
+T 43400 41600 5 10 1 1 90 0 1
+netname=DAC0_4
+}
+N 44000 41500 44000 42100 4
+{
+T 44000 41600 5 10 1 1 90 0 1
+netname=DAC0_5
+}
+N 44600 41500 44600 42100 4
+{
+T 44600 41600 5 10 1 1 90 0 1
+netname=DAC0_6
+}
+N 45200 41500 45200 42100 4
+{
+T 45200 41600 5 10 1 1 90 0 1
+netname=DAC0_7
+}
+C 43000 40300 1 0 0 gnd-1.sym
+{
+T 42900 40150 5 10 0 1 0 0 1
+net=GND:1
+}
+N 41000 40600 45200 40600 4
+T 43100 42300 9 10 1 0 0 3 1
+DAC out LPF
-- 
2.25.1