electronics/shimatta-hpa
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change R26 & R27 to DNP because they decrease performance at low frequencies

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This commit is contained in:
Mario Hüttel 2017-11-19 00:50:09 +01:00
parent 85722e0b51
commit c824a1ce1d
3 changed files with 16 additions and 21 deletions
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2
headphone-amp-cache.lib
View File

@ -393,7 +393,7 @@ ENDDEF
#
# POT
#
DEF POT RV 0 40 N N 1 F N
DEF POT RV 0 40 Y N 1 F N
F0 "RV" -175 0 50 V V C CNN
F1 "POT" -100 0 50 V V C CNN
F2 "" 0 0 50 H I C CNN

12
headphone-amp.kicad_pcb
View File

@ -18,7 +18,7 @@
(34 B.Paste user)
(35 F.Paste user)
(36 B.SilkS user)
(37 F.SilkS user hide)
(37 F.SilkS user)
(38 B.Mask user)
(39 F.Mask user)
(40 Dwgs.User user)
@ -29,7 +29,7 @@
(45 Margin user)
(46 B.CrtYd user)
(47 F.CrtYd user)
(48 B.Fab user hide)
(48 B.Fab user)
(49 F.Fab user hide)
)
@ -52,7 +52,7 @@
(34 B.Paste user)
(35 F.Paste user)
(36 B.SilkS user)
(37 F.SilkS user hide)
(37 F.SilkS user)
(38 B.Mask user)
(39 F.Mask user)
(40 Dwgs.User user)
@ -63,7 +63,7 @@
(45 Margin user)
(46 B.CrtYd user)
(47 F.CrtYd user)
(48 B.Fab user hide)
(48 B.Fab user)
(49 F.Fab user hide)
)
@ -4233,7 +4233,7 @@
(fp_text reference R26 (at 0 1.45 90) (layer B.SilkS)
(effects (font (size 1 1) (thickness 0.15)) (justify mirror))
)
(fp_text value 330 (at 0 -1.55 90) (layer B.Fab)
(fp_text value DNP (at 0 -1.55 90) (layer B.Fab)
(effects (font (size 1 1) (thickness 0.15)) (justify mirror))
)
(fp_line (start 1.95 -0.7) (end -1.96 -0.7) (layer B.CrtYd) (width 0.05))
@ -4269,7 +4269,7 @@
(fp_text reference R27 (at 0 -1.5 180) (layer B.SilkS)
(effects (font (size 1 1) (thickness 0.15)) (justify mirror))
)
(fp_text value 330 (at 0 -1.55 180) (layer B.Fab)
(fp_text value DNP (at 0 -1.55 180) (layer B.Fab)
(effects (font (size 1 1) (thickness 0.15)) (justify mirror))
)
(fp_text user %R (at 0 0 180) (layer B.Fab)

23
headphone-amp.sch
View File

@ -2,12 +2,8 @@ EESchema Schematic File Version 3
LIBS:headphone-amp-rescue
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
@ -22,20 +18,19 @@ LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:analog
LIBS:regulators
LIBS:relais
LIBS:relays
LIBS:ti
LIBS:potentiometer
LIBS:w_connectors
LIBS:Connector
LIBS:Relay
LIBS:Transistor
LIBS:shimatta_analog
LIBS:shimatta_ti
LIBS:shimatta_relais
LIBS:shimatta_connectors
LIBS:headphone-amp-cache
EELAYER 26 0
EELAYER END
@ -2486,7 +2481,7 @@ L R R26
U 1 1 59D427C6
P 3350 5200
F 0 "R26" V 3143 5200 50 0000 C CNN
F 1 "330" V 3234 5200 50 0000 C CNN
F 1 "DNP" V 3234 5200 50 0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 3280 5200 50 0001 C CNN
F 3 "" H 3350 5200 50 0001 C CNN
1 3350 5200
@ -2497,7 +2492,7 @@ L R R27
U 1 1 59D4423C
P 3350 5550
F 0 "R27" V 3143 5550 50 0000 C CNN
F 1 "330" V 3234 5550 50 0000 C CNN
F 1 "DNP" V 3234 5550 50 0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 3280 5550 50 0001 C CNN
F 3 "" H 3350 5550 50 0001 C CNN
1 3350 5550