EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 3
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 2350 1500 0    50   Input ~ 0
DAC_out
$Comp
L Amplifier_Operational:TL072 U?
U 1 1 5DDEF8DF
P 4500 2400
F 0 "U?" H 4500 2767 50  0000 C CNN
F 1 "TL072" H 4500 2676 50  0000 C CNN
F 2 "" H 4500 2400 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 4500 2400 50  0001 C CNN
	1    4500 2400
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:TL072 U?
U 2 1 5DDF08AD
P 6350 2650
F 0 "U?" H 6350 3017 50  0000 C CNN
F 1 "TL072" H 6350 2926 50  0000 C CNN
F 2 "" H 6350 2650 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 6350 2650 50  0001 C CNN
	2    6350 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 1500 3050 1500
Wire Wire Line
	3050 1500 3050 2300
Wire Wire Line
	4150 2500 4200 2500
Text Label 5600 2400 0    50   ~ 0
DIVIDER_OUT
$Comp
L Device:R_POT RV?
U 1 1 5DDFB96D
P 5100 2550
F 0 "RV?" H 5031 2596 50  0000 R CNN
F 1 "R_POT" H 5031 2505 50  0000 R CNN
F 2 "" H 5100 2550 50  0001 C CNN
F 3 "~" H 5100 2550 50  0001 C CNN
	1    5100 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 2400 5100 2400
Wire Wire Line
	5100 2700 5100 2900
Wire Wire Line
	5100 2900 5050 2900
$Comp
L power:GND #PWR?
U 1 1 5DDFD958
P 5050 2900
F 0 "#PWR?" H 5050 2650 50  0001 C CNN
F 1 "GND" H 5055 2727 50  0000 C CNN
F 2 "" H 5050 2900 50  0001 C CNN
F 3 "" H 5050 2900 50  0001 C CNN
	1    5050 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 2550 6050 2550
Wire Wire Line
	4150 2500 4150 2650
Wire Wire Line
	4150 2650 4800 2650
Wire Wire Line
	4800 2650 4800 2400
Connection ~ 4800 2400
Wire Wire Line
	6050 2750 6050 2950
Wire Wire Line
	6050 2950 6650 2950
Wire Wire Line
	6650 2950 6650 2650
Wire Wire Line
	6650 2650 6850 2650
Connection ~ 6650 2650
$Comp
L Device:R R?
U 1 1 5DE007D1
P 6850 2800
F 0 "R?" H 6920 2846 50  0000 L CNN
F 1 "R" H 6920 2755 50  0000 L CNN
F 2 "" V 6780 2800 50  0001 C CNN
F 3 "~" H 6850 2800 50  0001 C CNN
	1    6850 2800
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5DE00F57
P 6850 3100
F 0 "R?" H 6920 3146 50  0000 L CNN
F 1 "R" H 6920 3055 50  0000 L CNN
F 2 "" V 6780 3100 50  0001 C CNN
F 3 "~" H 6850 3100 50  0001 C CNN
	1    6850 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	6850 2950 7250 2950
Connection ~ 6850 2950
Wire Wire Line
	6850 3250 6850 3350
$Comp
L power:GND #PWR?
U 1 1 5DE01A1C
P 6850 3350
F 0 "#PWR?" H 6850 3100 50  0001 C CNN
F 1 "GND" H 6855 3177 50  0000 C CNN
F 2 "" H 6850 3350 50  0001 C CNN
F 3 "" H 6850 3350 50  0001 C CNN
	1    6850 3350
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5DDF1BEF
P 3200 2300
F 0 "C?" V 2948 2300 50  0000 C CNN
F 1 "C" V 3039 2300 50  0000 C CNN
F 2 "" H 3238 2150 50  0001 C CNN
F 3 "~" H 3200 2300 50  0001 C CNN
	1    3200 2300
	0    1    1    0   
$EndComp
$Comp
L Device:R 200k
U 1 1 5DDF226F
P 3700 2450
F 0 "200k" H 3770 2496 50  0000 L CNN
F 1 "R" H 3770 2405 50  0000 L CNN
F 2 "" V 3630 2450 50  0001 C CNN
F 3 "~" H 3700 2450 50  0001 C CNN
	1    3700 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 2300 3700 2300
Wire Wire Line
	3700 2300 4200 2300
Connection ~ 3700 2300
Wire Wire Line
	3700 2600 3700 2750
$Comp
L power:GND #PWR?
U 1 1 5DDF33D2
P 3700 2750
F 0 "#PWR?" H 3700 2500 50  0001 C CNN
F 1 "GND" H 3705 2577 50  0000 C CNN
F 2 "" H 3700 2750 50  0001 C CNN
F 3 "" H 3700 2750 50  0001 C CNN
	1    3700 2750
	1    0    0    -1  
$EndComp
$EndSCHEMATC