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removed 120uF from power supply, added transistor dropout circuit to reduce noise

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This commit is contained in:
Mario Hüttel 2017-07-28 19:00:41 +02:00
parent c51e890f1c
commit 6daf4ae119
3 changed files with 935 additions and 574 deletions
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38
headphone-amp-cache.lib
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@ -394,6 +394,44 @@ X PGND 19 850 -950 200 L 50 50 1 1 W
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# Q_NPN_CBE
#
DEF Q_NPN_CBE Q 0 0 Y N 1 F N
F0 "Q" 200 50 50 H V L CNN
F1 "Q_NPN_CBE" 200 -50 50 H V L CNN
F2 "" 200 100 50 H I C CNN
F3 "" 0 0 50 H I C CNN
DRAW
C 50 0 111 0 1 10 N
P 2 0 1 0 25 25 100 100 N
P 3 0 1 0 25 -25 100 -100 100 -100 N
P 3 0 1 20 25 75 25 -75 25 -75 N
P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F
X C 1 100 200 100 D 50 50 1 1 P
X B 2 -200 0 225 R 50 50 1 1 I
X E 3 100 -200 100 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# Q_PNP_CBE
#
DEF Q_PNP_CBE Q 0 0 Y N 1 F N
F0 "Q" 200 50 50 H V L CNN
F1 "Q_PNP_CBE" 200 -50 50 H V L CNN
F2 "" 200 100 50 H I C CNN
F3 "" 0 0 50 H I C CNN
DRAW
C 50 0 111 0 1 10 N
P 2 0 1 0 25 25 100 100 N
P 3 0 1 0 25 -25 100 -100 100 -100 N
P 3 0 1 20 25 75 25 -75 25 -75 N
P 5 0 1 0 90 -70 70 -90 50 -50 90 -70 90 -70 F
X C 1 100 200 100 D 50 50 1 1 P
X B 2 -200 0 225 R 50 50 1 1 I
X E 3 100 -200 100 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# R # R
# #
DEF R R 0 0 N Y 1 F N DEF R R 0 0 N Y 1 F N

1211
headphone-amp.kicad_pcb
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File diff suppressed because it is too large Load Diff

260
headphone-amp.sch
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@ -1345,7 +1321,7 @@ Wire Notes Line
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Wire Wire Line Wire Wire Line
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Wire Wire Line Wire Wire Line
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Wire Wire Line Wire Wire Line
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Wire Wire Line Wire Wire Line
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Wire Wire Line Wire Wire Line
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$Comp
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Wire Wire Line
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