Commit f53c1915 authored by Eric Kuzmenko's avatar Eric Kuzmenko
Browse files

Replace the tantalum capacitor that is AC-coupling the input of the class D...

Replace the tantalum capacitor that is AC-coupling the input of the class D amplifier with a ceramic 0603 cap
parent 6f221505
...@@ -2147,24 +2147,7 @@ F 3 "" H 4750 1200 50 0001 C CNN ...@@ -2147,24 +2147,7 @@ F 3 "" H 4750 1200 50 0001 C CNN
$EndComp $EndComp
Wire Wire Line Wire Wire Line
4750 1200 4750 1950 4750 1200 4750 1950
$Comp Text Notes 3750 2350 0 60 ~ 0
L CP1 C1607
U 1 1 5B024BFA
P 3950 2150
F 0 "C1607" V 4000 2200 50 0000 L CNN
F 1 "150nF" V 4000 1850 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 3950 2150 50 0001 C CNN
F 3 "https://content.kemet.com/datasheets/KEM_T2054_T499_AUTO.pdf" H 3950 2150 50 0001 C CNN
F 4 "KEMET" V 3950 2150 60 0001 C CNN "MFG Name"
F 5 "T499A154K035ATE19K" V 3950 2150 60 0001 C CNN "MFG Part Num"
F 6 "399-5067-1-ND" V 3950 2150 60 0001 C CNN "Distrib PN"
F 7 "https://www.digikey.com/product-detail/en/kemet/T499A154K035ATE19K/399-5067-1-ND/1211817" V 3950 2150 60 0001 C CNN "Distrib Link"
F 8 "10%" V 3950 2150 60 0001 C CNN "Tolerance"
F 9 "https://www.digikey.com/products/en/capacitors/tantalum-capacitors/59?k=&pkeyword=&pv724=247&pv724=551&pv724=544&pv724=272&pv724=471&pv724=1427&pv724=591&pv724=561&pv724=586&FV=1140003%2C1f140000%2Cmu0.15%C2%B5F%7C2049%2Cffe0003b&quantity=0&ColumnSort=1000011&page=1&pageSize=500" V 3950 2150 60 0001 C CNN "Others"
1 3950 2150
0 1 -1 0
$EndComp
Text Notes 3800 2350 0 60 ~ 0
fc=106Hz fc=106Hz
Text Notes 8350 6175 0 60 ~ 0 Text Notes 8350 6175 0 60 ~ 0
-37dB=14.1254mV/Pa\n∴ mic produces 14.1254mVrms when exposed to a\n 1kHz tone of 94dB-SPL at the capsule\n (or 19.98mV amplitude) -37dB=14.1254mV/Pa\n∴ mic produces 14.1254mVrms when exposed to a\n 1kHz tone of 94dB-SPL at the capsule\n (or 19.98mV amplitude)
...@@ -8966,4 +8949,21 @@ Text Notes 7250 6350 0 60 ~ 0 ...@@ -8966,4 +8949,21 @@ Text Notes 7250 6350 0 60 ~ 0
Note:\nAll switches' pins\ncan be swapped\ne.g. 5<->4\n or 5<->6\n (+camera) Note:\nAll switches' pins\ncan be swapped\ne.g. 5<->4\n or 5<->6\n (+camera)
Text Notes 4350 850 0 236 ~ 47 Text Notes 4350 850 0 236 ~ 47
Audio Audio
$Comp
L C C1607
U 1 1 5B488D5A
P 3950 2150
F 0 "C1607" V 3900 2200 50 0000 L CNN
F 1 "150nF" V 3900 1850 50 0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 3988 2000 50 0001 C CNN
F 3 "https://www.byipcb.com/downloads/CL10B154KA8NNNC.pdf" H 3950 2150 50 0001 C CNN
F 4 "Samsung" V 3950 2150 60 0001 C CNN "MFG Name"
F 5 "CL10B154KA8NNNC" V 3950 2150 60 0001 C CNN "MFG Part Num"
F 6 "C21118" V 3950 2150 60 0001 C CNN "Distrib PN"
F 7 "https://lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_SAMSUNG_CL10B154KA8NNNC_150nF-154-10-25V_C21118.html" V 3950 2150 60 0001 C CNN "Distrib Link"
F 8 "10%" V 3950 2150 60 0001 C CNN "Tolerance"
F 9 "https://www.digikey.com/products/en/capacitors/ceramic-capacitors/60?k=&pkeyword=&pv17=19&pv17=5&FV=c0003%2C400005%2C1f140000%2Cmu0.15%C2%B5F%7C2049%2Cffe0003c%2C380014%2C380016%2C380020&quantity=0&ColumnSort=1000011&page=1&pageSize=500" V 3950 2150 60 0001 C CNN "Others"
1 3950 2150
0 1 1 0
$EndComp
$EndSCHEMATC $EndSCHEMATC
...@@ -902,10 +902,10 @@ Wire Wire Line ...@@ -902,10 +902,10 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
6150 5600 6600 5600 6150 5600 6600 5600
Wire Wire Line Wire Wire Line
6600 6450 6600 5600 6600 5600 6600 6450
Connection ~ 6350 6450 Connection ~ 6350 6450
Wire Wire Line Wire Wire Line
5950 6450 6600 6450 6600 6450 5950 6450
Connection ~ 6200 6450 Connection ~ 6200 6450
Text Notes 3650 1050 0 236 ~ 47 Text Notes 3650 1050 0 236 ~ 47
USB Hub + SDIO Bridge USB Hub + SDIO Bridge
......
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