From 029339ae9427d287280d7ed1a72821c1756768c0 Mon Sep 17 00:00:00 2001 From: Emard Date: Wed, 4 Jul 2018 20:24:08 +0200 Subject: [PATCH] schematics C56=C57=3.3pF --- power.bak | 15 ++++++++------- power.sch | 17 +++++++++-------- ulx3s.bak | 2 +- 3 files changed, 18 insertions(+), 16 deletions(-) diff --git a/power.bak b/power.bak index 232f0dd..3672e4d 100644 --- a/power.bak +++ b/power.bak @@ -3234,13 +3234,14 @@ L Device:C C56 U 1 1 5B446958 P 900 3250 F 0 "C56" H 650 3250 50 0000 L CNN -F 1 "10pF" H 650 3150 50 0000 L CNN +F 1 "3.3pF" H 650 3150 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3100 50 0001 C CNN F 3 "" H 900 3250 50 0000 C CNN F 4 "www.yageo.com" H 900 3250 50 0001 C CNN "MNF1_URL" -F 5 "CC0603FRNPO9BN100" H 900 3250 50 0001 C CNN "MPN" -F 6 "603-CC603FRNPO9BN100" H 900 3250 50 0001 C CNN "Mouser" -F 7 "311-3349-1-ND" H 900 3250 50 0001 C CNN "Digikey" +F 5 "CC0603CRNPO9BN3R3" H 900 3250 50 0001 C CNN "MPN" +F 6 "710-885012006048" H 900 3250 50 0001 C CNN "Mouser" +F 7 "311-3848-1-ND" H 900 3250 50 0001 C CNN "Digikey" +F 8 "311-3855-1-ND" H 900 3250 50 0001 C CNN "Digikey2" 1 900 3250 1 0 0 -1 $EndComp @@ -3263,7 +3264,7 @@ L Device:C C57 U 1 1 5B489CA2 P 900 4050 F 0 "C57" H 650 4050 50 0000 L CNN -F 1 "10pF" H 650 4150 50 0000 L CNN +F 1 "3.3pF" H 650 4150 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3900 50 0001 C CNN F 3 "" H 900 4050 50 0000 C CNN 1 900 4050 @@ -3283,6 +3284,6 @@ $EndComp Wire Wire Line 900 3900 900 3850 Connection ~ 900 3850 -Text Notes 850 4800 0 60 ~ 0 -(C56+1pF)*(C57+1pF)/(C56+C57+2pF)+0.5pF=6pF +Text Notes 850 4850 0 60 ~ 0 +C56*C57/(C56+C57)+4.5pF=6pF\n4.5pF=3pF chip + 1pF crystal + 0.5pF PCB $EndSCHEMATC diff --git a/power.sch b/power.sch index 232f0dd..4b9f9b3 100644 --- a/power.sch +++ b/power.sch @@ -7,7 +7,7 @@ encoding utf-8 Sheet 3 11 Title "ULX3S" Date "" -Rev "1.0.3" +Rev "1.0.4" Comp "EMARD" Comment1 "Power" Comment2 "" @@ -3234,13 +3234,14 @@ L Device:C C56 U 1 1 5B446958 P 900 3250 F 0 "C56" H 650 3250 50 0000 L CNN -F 1 "10pF" H 650 3150 50 0000 L CNN +F 1 "3.3pF" H 650 3150 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3100 50 0001 C CNN F 3 "" H 900 3250 50 0000 C CNN F 4 "www.yageo.com" H 900 3250 50 0001 C CNN "MNF1_URL" -F 5 "CC0603FRNPO9BN100" H 900 3250 50 0001 C CNN "MPN" -F 6 "603-CC603FRNPO9BN100" H 900 3250 50 0001 C CNN "Mouser" -F 7 "311-3349-1-ND" H 900 3250 50 0001 C CNN "Digikey" +F 5 "CC0603CRNPO9BN3R3" H 900 3250 50 0001 C CNN "MPN" +F 6 "710-885012006048" H 900 3250 50 0001 C CNN "Mouser" +F 7 "311-3848-1-ND" H 900 3250 50 0001 C CNN "Digikey" +F 8 "311-3855-1-ND" H 900 3250 50 0001 C CNN "Digikey2" 1 900 3250 1 0 0 -1 $EndComp @@ -3263,7 +3264,7 @@ L Device:C C57 U 1 1 5B489CA2 P 900 4050 F 0 "C57" H 650 4050 50 0000 L CNN -F 1 "10pF" H 650 4150 50 0000 L CNN +F 1 "3.3pF" H 650 4150 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3900 50 0001 C CNN F 3 "" H 900 4050 50 0000 C CNN 1 900 4050 @@ -3283,6 +3284,6 @@ $EndComp Wire Wire Line 900 3900 900 3850 Connection ~ 900 3850 -Text Notes 850 4800 0 60 ~ 0 -(C56+1pF)*(C57+1pF)/(C56+C57+2pF)+0.5pF=6pF +Text Notes 850 4850 0 60 ~ 0 +C56*C57/(C56+C57)+4.5pF=6pF\n4.5pF=3pF chip + 1pF crystal + 0.5pF PCB $EndSCHEMATC diff --git a/ulx3s.bak b/ulx3s.bak index 9516b17..6d866a1 100644 --- a/ulx3s.bak +++ b/ulx3s.bak @@ -7,7 +7,7 @@ encoding utf-8 Sheet 1 11 Title "ULX3S" Date "" -Rev "1.9.5" +Rev "2.0" Comp "EMARD" Comment1 "Root sheet" Comment2 ""