EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:Spannungsversorgung
LIBS:Oszillator
LIBS:Gesamtschaltplan-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L ATMEGA328-P IC1
U 1 1 5AC4B0D6
P 3500 3150
F 0 "IC1" H 2750 4400 50  0000 L BNN
F 1 "ATMEGA328-P" H 3900 1750 50  0000 L BNN
F 2 "DIL28" H 3500 3150 50  0000 C CIN
F 3 "" H 3500 3150 50  0000 C CNN
	1    3500 3150
	1    0    0    -1  
$EndComp
$Comp
L Spannungsversorgung #U1
U 1 1 5AC4BA8F
P 1400 1050
F 0 "#U1" H 1400 1150 60  0000 C CNN
F 1 "Spannungsversorgung" H 1400 1300 60  0000 C CNN
F 2 "" H 1400 1050 60  0000 C CNN
F 3 "" H 1400 1050 60  0000 C CNN
	1    1400 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 700  8250 700 
Wire Wire Line
	2150 950  2150 6400
Wire Wire Line
	2150 6400 10150 6400
Wire Wire Line
	2550 700  2550 2050
Connection ~ 2550 700 
Wire Wire Line
	2600 4350 2150 4350
Connection ~ 2150 4350
$Comp
L Oszillator_20MHz CLK1
U 1 1 5AC4C453
P 5250 1450
F 0 "CLK1" H 5200 1350 60  0000 C CNN
F 1 "Oszillator_20MHz" H 5250 1500 60  0000 C CNN
F 2 "" H 5200 1900 60  0000 C CNN
F 3 "" H 5200 1900 60  0000 C CNN
	1    5250 1450
	-1   0    0    -1  
$EndComp
Connection ~ 6100 700 
Wire Wire Line
	2550 2050 2600 2050
Wire Wire Line
	4600 1300 2150 1300
Connection ~ 2150 1300
NoConn ~ 5950 1300
Wire Wire Line
	4550 1600 4550 2650
Wire Wire Line
	4550 2650 4500 2650
$Comp
L LM324 U3
U 1 1 5AC4C8D7
P 8150 3700
F 0 "U3" H 8200 3900 50  0000 C CNN
F 1 "LMV824M" H 8300 3500 50  0000 C CNN
F 2 "" H 8100 3800 50  0000 C CNN
F 3 "" H 8200 3900 50  0000 C CNN
	1    8150 3700
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8250 700  8250 3400
$Comp
L INDUCTOR L1
U 1 1 5AC4CCF7
P 10150 4450
F 0 "L1" V 10100 4450 50  0000 C CNN
F 1 "0.10mH" V 10250 4450 50  0000 C CNN
F 2 "" H 10150 4450 50  0000 C CNN
F 3 "" H 10150 4450 50  0000 C CNN
	1    10150 4450
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 5AC4D11A
P 9400 3600
F 0 "R4" V 9480 3600 50  0000 C CNN
F 1 "15kΩ" V 9300 3600 50  0000 C CNN
F 2 "" V 9330 3600 50  0000 C CNN
F 3 "" H 9400 3600 50  0000 C CNN
	1    9400 3600
	0    1    1    0   
$EndComp
Wire Wire Line
	8450 3600 9250 3600
Wire Wire Line
	8450 3800 8500 3800
$Comp
L R R3
U 1 1 5AC4D353
P 8500 5150
F 0 "R3" V 8580 5150 50  0000 C CNN
F 1 "100Ω" V 8400 5150 50  0000 C CNN
F 2 "" V 8430 5150 50  0000 C CNN
F 3 "" H 8500 5150 50  0000 C CNN
	1    8500 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 3800 8500 5000
Wire Wire Line
	7750 3700 7750 4250
Wire Wire Line
	7750 3700 7850 3700
$Comp
L 4N25 U2
U 1 1 5AC4D731
P 6900 3950
F 0 "U2" H 6700 4150 50  0000 L CNN
F 1 "4N25" H 6900 4150 50  0000 L CNN
F 2 "DIP-6" H 6700 3750 50  0000 L CIN
F 3 "" H 6900 3950 50  0000 L CNN
	1    6900 3950
	-1   0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 5AC4D7A1
P 7450 3850
F 0 "R2" V 7530 3850 50  0000 C CNN
F 1 "390Ω" V 7350 3850 50  0000 C CNN
F 2 "" V 7380 3850 50  0000 C CNN
F 3 "" H 7450 3850 50  0000 C CNN
	1    7450 3850
	0    1    1    0   
$EndComp
Wire Wire Line
	7600 3850 7750 3850
Connection ~ 7750 3850
Wire Wire Line
	7300 3850 7200 3850
Wire Wire Line
	7200 4050 7300 4050
$Comp
L R R1
U 1 1 5AC4DAA7
P 6500 3600
F 0 "R1" V 6580 3600 50  0000 C CNN
F 1 "10kΩ" V 6400 3600 50  0000 C CNN
F 2 "" V 6430 3600 50  0000 C CNN
F 3 "" H 6500 3600 50  0000 C CNN
	1    6500 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	6500 3750 6500 3950
Wire Wire Line
	4500 3950 6600 3950
Wire Wire Line
	6500 700  6500 3450
NoConn ~ 6600 3850
Wire Wire Line
	6600 4050 6500 4050
Connection ~ 6500 3950
Wire Wire Line
	4600 1600 4550 1600
Wire Wire Line
	5950 1600 6100 1600
Wire Wire Line
	6100 1600 6100 700 
Connection ~ 6500 700 
Connection ~ 8250 700 
Wire Wire Line
	10150 6400 10150 4750
Wire Wire Line
	8500 5300 8500 6400
Connection ~ 8500 6400
Wire Wire Line
	8250 4000 8250 6400
Connection ~ 8250 6400
Wire Wire Line
	7300 4050 7300 6400
Connection ~ 7300 6400
Wire Wire Line
	6500 4050 6500 6400
Connection ~ 6500 6400
$Comp
L R R5
U 1 1 5AC4FC86
P 7750 4400
F 0 "R5" V 7830 4400 50  0000 C CNN
F 1 "18kΩ" V 7650 4400 50  0000 C CNN
F 2 "" V 7680 4400 50  0000 C CNN
F 3 "" H 7750 4400 50  0000 C CNN
	1    7750 4400
	1    0    0    -1  
$EndComp
$Comp
L R R6
U 1 1 5AC4FD19
P 7750 4750
F 0 "R6" V 7830 4750 50  0000 C CNN
F 1 "680Ω" V 7650 4750 50  0000 C CNN
F 2 "" V 7680 4750 50  0000 C CNN
F 3 "" H 7750 4750 50  0000 C CNN
	1    7750 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 4550 7750 4600
Wire Wire Line
	7750 4900 7750 4950
Wire Wire Line
	7750 4950 8500 4950
Connection ~ 8500 4950
Wire Wire Line
	10150 4150 10150 3600
Wire Wire Line
	10150 3600 9550 3600
Wire Notes Line
	7500 4100 8750 4100
Wire Notes Line
	8750 4100 8750 5300
Wire Notes Line
	8750 5300 7500 5300
Wire Notes Line
	7500 5300 7500 4100
Text Label 7550 4250 0    60   ~ 12
Verstärkungsfaktor=187.8
$Comp
L SW_PUSH SW1
U 1 1 5AC507DD
P 5450 3500
F 0 "SW1" H 5600 3610 50  0000 C CNN
F 1 "SW_PUSH" H 5450 3420 50  0000 C CNN
F 2 "" H 5450 3500 50  0000 C CNN
F 3 "" H 5450 3500 50  0000 C CNN
	1    5450 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 3500 5150 3500
Wire Wire Line
	5750 3500 5750 6400
Connection ~ 5750 6400
$EndSCHEMATC