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schematics C56=C57=3.3pF

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pull/3/head
Emard 6 years ago
parent 7894697a9a
commit 029339ae94
3 changed files with 18 additions and 16 deletions
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15
power.bak
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@ -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

17
power.sch
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@ -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

2
ulx3s.bak
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@ -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 ""

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