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
$EndComp
Wire Wire Line
4750 1200 4750 1950
$Comp
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
Text Notes 3750 2350 0 60 ~ 0
fc=106Hz
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)
......@@ -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)
Text Notes 4350 850 0 236 ~ 47
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
......@@ -902,10 +902,10 @@ Wire Wire Line
Wire Wire Line
6150 5600 6600 5600
Wire Wire Line
6600 6450 6600 5600
6600 5600 6600 6450
Connection ~ 6350 6450
Wire Wire Line
5950 6450 6600 6450
6600 6450 5950 6450
Connection ~ 6200 6450
Text Notes 3650 1050 0 236 ~ 47
USB Hub + SDIO Bridge
......
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