From 856cf7fcd022400c7a1705a333c334ba11a2c8fc Mon Sep 17 00:00:00 2001
From: emard <vordah@gmail.com>
Date: Tue, 4 Jun 2019 14:39:17 +0200
Subject: [PATCH] schematics: additional ADC filter for digital 3.3V supply
 update analog sheet version to v1.0.4 update toplevel schematics version to
 v3.0.8

---
 analog.bak | 185 ++++++++++++++++++++++++++++++++++++++---------------
 analog.sch | 185 ++++++++++++++++++++++++++++++++++++++---------------
 ulx3s.sch  |   2 +-
 3 files changed, 265 insertions(+), 107 deletions(-)

diff --git a/analog.bak b/analog.bak
index 2ee8ca0..47b5ef5 100644
--- a/analog.bak
+++ b/analog.bak
@@ -7,7 +7,7 @@ encoding utf-8
 Sheet 9 11
 Title "ULX3S"
 Date ""
-Rev "1.0.3"
+Rev "1.0.4"
 Comp "EMARD"
 Comment1 "Analog audio and video"
 Comment2 ""
@@ -290,23 +290,23 @@ GP17
 $Comp
 L power:+3V3 #PWR0138
 U 1 1 595BB15C
-P 1500 4200
-F 0 "#PWR0138" H 1500 4050 50  0001 C CNN
-F 1 "+3V3" H 1500 4340 50  0000 C CNN
-F 2 "" H 1500 4200 50  0000 C CNN
-F 3 "" H 1500 4200 50  0000 C CNN
-	1    1500 4200
+P 2150 4000
+F 0 "#PWR0138" H 2150 3850 50  0001 C CNN
+F 1 "+3V3" H 2150 4140 50  0000 C CNN
+F 2 "" H 2150 4000 50  0000 C CNN
+F 3 "" H 2150 4000 50  0000 C CNN
+	1    2150 4000
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2400 4250 2850 4250
+	2150 4250 2850 4250
 Wire Wire Line
 	2850 4250 2850 4350
 Wire Wire Line
 	2850 4350 2900 4350
 Connection ~ 2850 4250
 Wire Wire Line
-	3700 4250 4150 4250
+	3700 4250 4300 4250
 $Comp
 L power:GND #PWR0142
 U 1 1 595BB251
@@ -460,8 +460,8 @@ AUDIO_L
 Text Label 3000 2550 0    60   ~ 0
 AUDIO_R
 Text Label 3800 4250 0    60   ~ 0
-ADC3V3
-Text Label 2450 4250 0    60   ~ 0
+ADCD3V3
+Text Label 2400 4250 0    60   ~ 0
 ADC3V3
 Wire Wire Line
 	2900 5450 2400 5450
@@ -470,76 +470,155 @@ ADC3V3
 $Comp
 L Device:L_Small L4
 U 1 1 5B3BC972
-P 1500 4300
-F 0 "L4" H 1548 4346 50  0000 L CNN
-F 1 "33uH" H 1548 4255 50  0000 L CNN
-F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.29x1.40mm_HandSolder" H 1500 4300 50  0001 C CNN
-F 3 "~" H 1500 4300 50  0001 C CNN
-F 4 "www.bourns.com" H 1500 4300 50  0001 C CNN "MNF1_URL"
-F 5 "CV201210-330K" H 1500 4300 50  0001 C CNN "MPN"
-F 6 "652-CV201210-330K" H 1500 4300 50  0001 C CNN "Mouser"
-F 7 "CV201210-330KCT-ND" H 1500 4300 50  0001 C CNN "Digikey"
-F 8 "FL002" H 1500 4300 50  0001 C CNN "Koncar"
-	1    1500 4300
+P 2150 4100
+F 0 "L4" H 2198 4146 50  0000 L CNN
+F 1 "33uH" H 2198 4055 50  0000 L CNN
+F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2150 4100 50  0001 C CNN
+F 3 "~" H 2150 4100 50  0001 C CNN
+F 4 "www.bourns.com" H 2150 4100 50  0001 C CNN "MNF1_URL"
+F 5 "CV201210-330K" H 2150 4100 50  0001 C CNN "MPN"
+F 6 "652-CV201210-330K" H 2150 4100 50  0001 C CNN "Mouser"
+F 7 "CV201210-330KCT-ND" H 2150 4100 50  0001 C CNN "Digikey"
+F 8 "FL002" H 2150 4100 50  0001 C CNN "Koncar"
+	1    2150 4100
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
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 $Comp
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 U 1 1 5B3BD68E
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-F 0 "C59" H 1615 4696 50  0000 L CNN
-F 1 "220nF" H 1615 4605 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric" H 1538 4500 50  0001 C CNN
-F 3 "~" H 1500 4650 50  0001 C CNN
-	1    1500 4650
+P 2150 4450
+F 0 "C59" H 2265 4496 50  0000 L CNN
+F 1 "220nF" H 2265 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 2188 4300 50  0001 C CNN
+F 3 "~" H 2150 4450 50  0001 C CNN
+	1    2150 4450
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	1500 4450 1050 4450
+	2150 4250 1700 4250
 Wire Wire Line
-	1050 4450 1050 4500
-Connection ~ 1500 4450
+	1700 4250 1700 4300
+Connection ~ 2150 4250
 Wire Wire Line
-	1500 4450 1500 4500
+	2150 4250 2150 4300
 $Comp
 L Device:C C58
 U 1 1 5B3BE5D3
-P 1050 4650
-F 0 "C58" H 1165 4696 50  0000 L CNN
-F 1 "22uF" H 1165 4605 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0805_2012Metric" H 1088 4500 50  0001 C CNN
-F 3 "~" H 1050 4650 50  0001 C CNN
-	1    1050 4650
+P 1700 4450
+F 0 "C58" H 1815 4496 50  0000 L CNN
+F 1 "22uF" H 1815 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0805_2012Metric" H 1738 4300 50  0001 C CNN
+F 3 "~" H 1700 4450 50  0001 C CNN
+	1    1700 4450
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GND #PWR0140
 U 1 1 5B3BE698
-P 1050 4800
-F 0 "#PWR0140" H 1050 4550 50  0001 C CNN
-F 1 "GND" H 1055 4627 50  0000 C CNN
-F 2 "" H 1050 4800 50  0001 C CNN
-F 3 "" H 1050 4800 50  0001 C CNN
-	1    1050 4800
+P 1700 4600
+F 0 "#PWR0140" H 1700 4350 50  0001 C CNN
+F 1 "GND" H 1705 4427 50  0000 C CNN
+F 2 "" H 1700 4600 50  0001 C CNN
+F 3 "" H 1700 4600 50  0001 C CNN
+	1    1700 4600
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GND #PWR0144
 U 1 1 5B3BE6ED
-P 1500 4800
-F 0 "#PWR0144" H 1500 4550 50  0001 C CNN
-F 1 "GND" H 1505 4627 50  0000 C CNN
-F 2 "" H 1500 4800 50  0001 C CNN
-F 3 "" H 1500 4800 50  0001 C CNN
-	1    1500 4800
+P 2150 4600
+F 0 "#PWR0144" H 2150 4350 50  0001 C CNN
+F 1 "GND" H 2155 4427 50  0000 C CNN
+F 2 "" H 2150 4600 50  0001 C CNN
+F 3 "" H 2150 4600 50  0001 C CNN
+	1    2150 4600
 	1    0    0    -1  
 $EndComp
-Text Label 1100 4450 0    60   ~ 0
-ADC3V3
 NoConn ~ 2900 5350
 NoConn ~ 3700 5100
 Text Notes 2950 3500 0    60   ~ 0
 Output resistance: 75 ohm\nInternal resistance of FPGA pin: 10 ohm\n1/(1/(130+10)+1/(270+10)+1/(549+10)+1/(1100+10))=74.6
+$Comp
+L power:+3V3 #PWR0176
+U 1 1 5CF68065
+P 4750 4000
+F 0 "#PWR0176" H 4750 3850 50  0001 C CNN
+F 1 "+3V3" H 4750 4140 50  0000 C CNN
+F 2 "" H 4750 4000 50  0000 C CNN
+F 3 "" H 4750 4000 50  0000 C CNN
+	1    4750 4000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:L_Small L5
+U 1 1 5CF68070
+P 4750 4100
+F 0 "L5" H 4798 4146 50  0000 L CNN
+F 1 "33uH" H 4798 4055 50  0000 L CNN
+F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4750 4100 50  0001 C CNN
+F 3 "~" H 4750 4100 50  0001 C CNN
+F 4 "www.bourns.com" H 4750 4100 50  0001 C CNN "MNF1_URL"
+F 5 "CV201210-330K" H 4750 4100 50  0001 C CNN "MPN"
+F 6 "652-CV201210-330K" H 4750 4100 50  0001 C CNN "Mouser"
+F 7 "CV201210-330KCT-ND" H 4750 4100 50  0001 C CNN "Digikey"
+F 8 "FL002" H 4750 4100 50  0001 C CNN "Koncar"
+	1    4750 4100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4750 4200 4750 4250
+$Comp
+L Device:C C62
+U 1 1 5CF68077
+P 4750 4450
+F 0 "C62" H 4865 4496 50  0000 L CNN
+F 1 "220nF" H 4865 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 4788 4300 50  0001 C CNN
+F 3 "~" H 4750 4450 50  0001 C CNN
+	1    4750 4450
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4750 4250 4300 4250
+Wire Wire Line
+	4300 4250 4300 4300
+Connection ~ 4750 4250
+Wire Wire Line
+	4750 4250 4750 4300
+$Comp
+L Device:C C61
+U 1 1 5CF68081
+P 4300 4450
+F 0 "C61" H 4415 4496 50  0000 L CNN
+F 1 "22uF" H 4415 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0805_2012Metric" H 4338 4300 50  0001 C CNN
+F 3 "~" H 4300 4450 50  0001 C CNN
+	1    4300 4450
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0175
+U 1 1 5CF68087
+P 4300 4600
+F 0 "#PWR0175" H 4300 4350 50  0001 C CNN
+F 1 "GND" H 4305 4427 50  0000 C CNN
+F 2 "" H 4300 4600 50  0001 C CNN
+F 3 "" H 4300 4600 50  0001 C CNN
+	1    4300 4600
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0177
+U 1 1 5CF6808D
+P 4750 4600
+F 0 "#PWR0177" H 4750 4350 50  0001 C CNN
+F 1 "GND" H 4755 4427 50  0000 C CNN
+F 2 "" H 4750 4600 50  0001 C CNN
+F 3 "" H 4750 4600 50  0001 C CNN
+	1    4750 4600
+	1    0    0    -1  
+$EndComp
+Connection ~ 4300 4250
 $EndSCHEMATC
diff --git a/analog.sch b/analog.sch
index 2ee8ca0..47b5ef5 100644
--- a/analog.sch
+++ b/analog.sch
@@ -7,7 +7,7 @@ encoding utf-8
 Sheet 9 11
 Title "ULX3S"
 Date ""
-Rev "1.0.3"
+Rev "1.0.4"
 Comp "EMARD"
 Comment1 "Analog audio and video"
 Comment2 ""
@@ -290,23 +290,23 @@ GP17
 $Comp
 L power:+3V3 #PWR0138
 U 1 1 595BB15C
-P 1500 4200
-F 0 "#PWR0138" H 1500 4050 50  0001 C CNN
-F 1 "+3V3" H 1500 4340 50  0000 C CNN
-F 2 "" H 1500 4200 50  0000 C CNN
-F 3 "" H 1500 4200 50  0000 C CNN
-	1    1500 4200
+P 2150 4000
+F 0 "#PWR0138" H 2150 3850 50  0001 C CNN
+F 1 "+3V3" H 2150 4140 50  0000 C CNN
+F 2 "" H 2150 4000 50  0000 C CNN
+F 3 "" H 2150 4000 50  0000 C CNN
+	1    2150 4000
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2400 4250 2850 4250
+	2150 4250 2850 4250
 Wire Wire Line
 	2850 4250 2850 4350
 Wire Wire Line
 	2850 4350 2900 4350
 Connection ~ 2850 4250
 Wire Wire Line
-	3700 4250 4150 4250
+	3700 4250 4300 4250
 $Comp
 L power:GND #PWR0142
 U 1 1 595BB251
@@ -460,8 +460,8 @@ AUDIO_L
 Text Label 3000 2550 0    60   ~ 0
 AUDIO_R
 Text Label 3800 4250 0    60   ~ 0
-ADC3V3
-Text Label 2450 4250 0    60   ~ 0
+ADCD3V3
+Text Label 2400 4250 0    60   ~ 0
 ADC3V3
 Wire Wire Line
 	2900 5450 2400 5450
@@ -470,76 +470,155 @@ ADC3V3
 $Comp
 L Device:L_Small L4
 U 1 1 5B3BC972
-P 1500 4300
-F 0 "L4" H 1548 4346 50  0000 L CNN
-F 1 "33uH" H 1548 4255 50  0000 L CNN
-F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.29x1.40mm_HandSolder" H 1500 4300 50  0001 C CNN
-F 3 "~" H 1500 4300 50  0001 C CNN
-F 4 "www.bourns.com" H 1500 4300 50  0001 C CNN "MNF1_URL"
-F 5 "CV201210-330K" H 1500 4300 50  0001 C CNN "MPN"
-F 6 "652-CV201210-330K" H 1500 4300 50  0001 C CNN "Mouser"
-F 7 "CV201210-330KCT-ND" H 1500 4300 50  0001 C CNN "Digikey"
-F 8 "FL002" H 1500 4300 50  0001 C CNN "Koncar"
-	1    1500 4300
+P 2150 4100
+F 0 "L4" H 2198 4146 50  0000 L CNN
+F 1 "33uH" H 2198 4055 50  0000 L CNN
+F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2150 4100 50  0001 C CNN
+F 3 "~" H 2150 4100 50  0001 C CNN
+F 4 "www.bourns.com" H 2150 4100 50  0001 C CNN "MNF1_URL"
+F 5 "CV201210-330K" H 2150 4100 50  0001 C CNN "MPN"
+F 6 "652-CV201210-330K" H 2150 4100 50  0001 C CNN "Mouser"
+F 7 "CV201210-330KCT-ND" H 2150 4100 50  0001 C CNN "Digikey"
+F 8 "FL002" H 2150 4100 50  0001 C CNN "Koncar"
+	1    2150 4100
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	1500 4400 1500 4450
+	2150 4200 2150 4250
 $Comp
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-F 0 "C59" H 1615 4696 50  0000 L CNN
-F 1 "220nF" H 1615 4605 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric" H 1538 4500 50  0001 C CNN
-F 3 "~" H 1500 4650 50  0001 C CNN
-	1    1500 4650
+P 2150 4450
+F 0 "C59" H 2265 4496 50  0000 L CNN
+F 1 "220nF" H 2265 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 2188 4300 50  0001 C CNN
+F 3 "~" H 2150 4450 50  0001 C CNN
+	1    2150 4450
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	1500 4450 1050 4450
+	2150 4250 1700 4250
 Wire Wire Line
-	1050 4450 1050 4500
-Connection ~ 1500 4450
+	1700 4250 1700 4300
+Connection ~ 2150 4250
 Wire Wire Line
-	1500 4450 1500 4500
+	2150 4250 2150 4300
 $Comp
 L Device:C C58
 U 1 1 5B3BE5D3
-P 1050 4650
-F 0 "C58" H 1165 4696 50  0000 L CNN
-F 1 "22uF" H 1165 4605 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0805_2012Metric" H 1088 4500 50  0001 C CNN
-F 3 "~" H 1050 4650 50  0001 C CNN
-	1    1050 4650
+P 1700 4450
+F 0 "C58" H 1815 4496 50  0000 L CNN
+F 1 "22uF" H 1815 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0805_2012Metric" H 1738 4300 50  0001 C CNN
+F 3 "~" H 1700 4450 50  0001 C CNN
+	1    1700 4450
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GND #PWR0140
 U 1 1 5B3BE698
-P 1050 4800
-F 0 "#PWR0140" H 1050 4550 50  0001 C CNN
-F 1 "GND" H 1055 4627 50  0000 C CNN
-F 2 "" H 1050 4800 50  0001 C CNN
-F 3 "" H 1050 4800 50  0001 C CNN
-	1    1050 4800
+P 1700 4600
+F 0 "#PWR0140" H 1700 4350 50  0001 C CNN
+F 1 "GND" H 1705 4427 50  0000 C CNN
+F 2 "" H 1700 4600 50  0001 C CNN
+F 3 "" H 1700 4600 50  0001 C CNN
+	1    1700 4600
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GND #PWR0144
 U 1 1 5B3BE6ED
-P 1500 4800
-F 0 "#PWR0144" H 1500 4550 50  0001 C CNN
-F 1 "GND" H 1505 4627 50  0000 C CNN
-F 2 "" H 1500 4800 50  0001 C CNN
-F 3 "" H 1500 4800 50  0001 C CNN
-	1    1500 4800
+P 2150 4600
+F 0 "#PWR0144" H 2150 4350 50  0001 C CNN
+F 1 "GND" H 2155 4427 50  0000 C CNN
+F 2 "" H 2150 4600 50  0001 C CNN
+F 3 "" H 2150 4600 50  0001 C CNN
+	1    2150 4600
 	1    0    0    -1  
 $EndComp
-Text Label 1100 4450 0    60   ~ 0
-ADC3V3
 NoConn ~ 2900 5350
 NoConn ~ 3700 5100
 Text Notes 2950 3500 0    60   ~ 0
 Output resistance: 75 ohm\nInternal resistance of FPGA pin: 10 ohm\n1/(1/(130+10)+1/(270+10)+1/(549+10)+1/(1100+10))=74.6
+$Comp
+L power:+3V3 #PWR0176
+U 1 1 5CF68065
+P 4750 4000
+F 0 "#PWR0176" H 4750 3850 50  0001 C CNN
+F 1 "+3V3" H 4750 4140 50  0000 C CNN
+F 2 "" H 4750 4000 50  0000 C CNN
+F 3 "" H 4750 4000 50  0000 C CNN
+	1    4750 4000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:L_Small L5
+U 1 1 5CF68070
+P 4750 4100
+F 0 "L5" H 4798 4146 50  0000 L CNN
+F 1 "33uH" H 4798 4055 50  0000 L CNN
+F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4750 4100 50  0001 C CNN
+F 3 "~" H 4750 4100 50  0001 C CNN
+F 4 "www.bourns.com" H 4750 4100 50  0001 C CNN "MNF1_URL"
+F 5 "CV201210-330K" H 4750 4100 50  0001 C CNN "MPN"
+F 6 "652-CV201210-330K" H 4750 4100 50  0001 C CNN "Mouser"
+F 7 "CV201210-330KCT-ND" H 4750 4100 50  0001 C CNN "Digikey"
+F 8 "FL002" H 4750 4100 50  0001 C CNN "Koncar"
+	1    4750 4100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4750 4200 4750 4250
+$Comp
+L Device:C C62
+U 1 1 5CF68077
+P 4750 4450
+F 0 "C62" H 4865 4496 50  0000 L CNN
+F 1 "220nF" H 4865 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 4788 4300 50  0001 C CNN
+F 3 "~" H 4750 4450 50  0001 C CNN
+	1    4750 4450
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4750 4250 4300 4250
+Wire Wire Line
+	4300 4250 4300 4300
+Connection ~ 4750 4250
+Wire Wire Line
+	4750 4250 4750 4300
+$Comp
+L Device:C C61
+U 1 1 5CF68081
+P 4300 4450
+F 0 "C61" H 4415 4496 50  0000 L CNN
+F 1 "22uF" H 4415 4405 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0805_2012Metric" H 4338 4300 50  0001 C CNN
+F 3 "~" H 4300 4450 50  0001 C CNN
+	1    4300 4450
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0175
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+P 4300 4600
+F 0 "#PWR0175" H 4300 4350 50  0001 C CNN
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+F 2 "" H 4300 4600 50  0001 C CNN
+F 3 "" H 4300 4600 50  0001 C CNN
+	1    4300 4600
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0177
+U 1 1 5CF6808D
+P 4750 4600
+F 0 "#PWR0177" H 4750 4350 50  0001 C CNN
+F 1 "GND" H 4755 4427 50  0000 C CNN
+F 2 "" H 4750 4600 50  0001 C CNN
+F 3 "" H 4750 4600 50  0001 C CNN
+	1    4750 4600
+	1    0    0    -1  
+$EndComp
+Connection ~ 4300 4250
 $EndSCHEMATC
diff --git a/ulx3s.sch b/ulx3s.sch
index a504af6..4ccc38b 100644
--- a/ulx3s.sch
+++ b/ulx3s.sch
@@ -7,7 +7,7 @@ encoding utf-8
 Sheet 1 11
 Title "ULX3S"
 Date ""
-Rev "3.0.7"
+Rev "3.0.8"
 Comp "EMARD"
 Comment1 "Root sheet"
 Comment2 ""