521 lines
10 KiB
Plaintext
521 lines
10 KiB
Plaintext
EESchema Schematic File Version 2 date jue 06 jun 2013 01:22:27 CEST
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LIBS:power
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LIBS:device
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:special
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:DTMF_Shield-cache
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EELAYER 24 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 1 1
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Title ""
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Date "5 jun 2013"
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Rev ""
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Comp "by Carlosgs"
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Comment1 "License: CC-BY-SA"
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Comment2 ""
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Comment3 ""
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-\n
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Text Notes 3300 2100 0 60 ~ 0
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Inverting amplifier (x100)
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Wire Wire Line
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2650 2700 2650 2650
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Wire Wire Line
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3150 3250 3400 3250
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Connection ~ 5150 3150
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Wire Wire Line
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5000 3150 5400 3150
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Wire Wire Line
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5150 3850 5150 3150
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Connection ~ 3950 3250
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Wire Wire Line
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3900 3250 4000 3250
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Wire Wire Line
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4400 3550 4400 3650
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Wire Wire Line
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Connection ~ 4000 2450
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Wire Wire Line
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4000 3050 4000 2450
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Wire Wire Line
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4650 2450 4650 2300
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Wire Wire Line
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Mic. polarization
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Wire Wire Line
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Connection ~ 7100 4100
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Wire Wire Line
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7700 4100 7700 4000
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Wire Wire Line
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7100 3050 7100 3600
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Wire Wire Line
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7700 2950 7700 3600
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Wire Wire Line
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7600 3150 7700 3150
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Connection ~ 7100 3450
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Wire Wire Line
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7100 3050 6850 3050
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Connection ~ 7100 3150
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Wire Wire Line
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5400 4350 7950 4350
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Text Notes 5400 1850 0 60 ~ 0
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DTMF detector
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Wire Wire Line
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6850 2750 8550 2750
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Wire Wire Line
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7100 2000 5950 2000
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5950 2000 5950 2650
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Wire Notes Line
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Wire Notes Line
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D2
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D1
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D4
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Text Notes 8100 2650 0 60 ~ 0
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D8
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DV
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1 8300 3850
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Wire Wire Line
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8300 3400 8300 3500
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8300 3700 8300 3850
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$EndSCHEMATC
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