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:mmmeas-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "mmmeas - ES51984 adapter"
Date ""
Rev ""
Comp "Michael Buesch <m@bues.ch>"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 6N136 U1
U 1 1 57EFE9B4
P 4600 3550
F 0 "U1" H 4400 3850 50  0000 L CNN
F 1 "6N136" H 4600 3850 50  0000 L CNN
F 2 "DIP-8" H 4400 3250 50  0000 L CIN
F 3 "" H 4600 3550 50  0000 L CNN
	1    4600 3550
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X04 P1
U 1 1 57EFEA5B
P 2050 3700
F 0 "P1" H 2050 3950 50  0000 C CNN
F 1 "ES51984_interface" V 2150 3700 50  0000 C CNN
F 2 "" H 2050 3700 50  0000 C CNN
F 3 "" H 2050 3700 50  0000 C CNN
	1    2050 3700
	-1   0    0    1   
$EndComp
$Comp
L MAX232 U2
U 1 1 57EFEAE3
P 6950 3650
F 0 "U2" H 6400 4700 50  0000 C CNN
F 1 "MAX232" H 7450 4700 50  0000 C CNN
F 2 "" H 6950 3750 50  0000 C CNN
F 3 "" H 6950 3750 50  0000 C CNN
	1    6950 3650
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 57EFEC10
P 5300 3500
F 0 "R2" V 5380 3500 50  0000 C CNN
F 1 "1k" V 5300 3500 50  0000 C CNN
F 2 "" V 5230 3500 50  0000 C CNN
F 3 "" H 5300 3500 50  0000 C CNN
	1    5300 3500
	1    0    0    -1  
$EndComp
NoConn ~ 4900 3450
Wire Wire Line
	4900 3350 5300 3350
Wire Wire Line
	4900 3650 5300 3650
$Comp
L R R1
U 1 1 57EFECC9
P 3950 3650
F 0 "R1" V 4030 3650 50  0000 C CNN
F 1 "100" V 3950 3650 50  0000 C CNN
F 2 "" V 3880 3650 50  0000 C CNN
F 3 "" H 3950 3650 50  0000 C CNN
	1    3950 3650
	0    1    1    0   
$EndComp
Wire Wire Line
	3450 3750 2250 3750
Wire Wire Line
	2850 3550 2250 3550
Text Label 2250 3850 0    39   ~ 0
DGND_0V
Text Label 2250 3750 0    39   ~ 0
V-3.3
Text Label 2250 3650 0    39   ~ 0
SDO_0V/-3.3V
Text Label 2250 3550 0    39   ~ 0
RS232_en
$Comp
L SW_PUSH SW1
U 1 1 57EFF1AB
P 3150 2750
F 0 "SW1" H 3300 2860 50  0000 C CNN
F 1 "en/dis" H 3150 2670 50  0000 C CNN
F 2 "" H 3150 2750 50  0000 C CNN
F 3 "" H 3150 2750 50  0000 C CNN
	1    3150 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 2750 2850 3550
$Comp
L GND #PWR1
U 1 1 57EFF51F
P 5000 3950
F 0 "#PWR1" H 5000 3700 50  0001 C CNN
F 1 "GND" H 5000 3800 50  0000 C CNN
F 2 "" H 5000 3950 50  0000 C CNN
F 3 "" H 5000 3950 50  0000 C CNN
	1    5000 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 3750 5000 3950
$Comp
L +5V #PWR2
U 1 1 57EFF613
P 5150 3050
F 0 "#PWR2" H 5150 2900 50  0001 C CNN
F 1 "+5V" H 5150 3190 50  0000 C CNN
F 2 "" H 5150 3050 50  0000 C CNN
F 3 "" H 5150 3050 50  0000 C CNN
	1    5150 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 3350 5150 3050
Connection ~ 5150 3350
NoConn ~ 6150 3950
NoConn ~ 6150 4150
NoConn ~ 6150 4350
NoConn ~ 7750 3950
NoConn ~ 7750 4150
NoConn ~ 7750 4350
$Comp
L GND #PWR4
U 1 1 57EFF8CB
P 6950 4950
F 0 "#PWR4" H 6950 4700 50  0001 C CNN
F 1 "GND" H 6950 4800 50  0000 C CNN
F 2 "" H 6950 4950 50  0000 C CNN
F 3 "" H 6950 4950 50  0000 C CNN
	1    6950 4950
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR3
U 1 1 57EFF8EB
P 6950 2150
F 0 "#PWR3" H 6950 2000 50  0001 C CNN
F 1 "+5V" H 6950 2290 50  0000 C CNN
F 2 "" H 6950 2150 50  0000 C CNN
F 3 "" H 6950 2150 50  0000 C CNN
	1    6950 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 2150 6950 2450
Wire Wire Line
	6950 4850 6950 4950
Wire Wire Line
	4900 3750 5000 3750
Wire Wire Line
	5150 3650 5150 3750
Wire Wire Line
	5150 3750 6150 3750
Connection ~ 5150 3650
$Comp
L CONN_01X02 P2
U 1 1 57EFFB5F
P 9300 3800
F 0 "P2" H 9300 3950 50  0000 C CNN
F 1 "RS232" V 9400 3800 50  0000 C CNN
F 2 "" H 9300 3800 50  0000 C CNN
F 3 "" H 9300 3800 50  0000 C CNN
	1    9300 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 3750 9100 3750
$Comp
L GND #PWR8
U 1 1 57EFFBCD
P 8950 4000
F 0 "#PWR8" H 8950 3750 50  0001 C CNN
F 1 "GND" H 8950 3850 50  0000 C CNN
F 2 "" H 8950 4000 50  0000 C CNN
F 3 "" H 8950 4000 50  0000 C CNN
	1    8950 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 3850 8950 3850
Wire Wire Line
	8950 3850 8950 4000
$Comp
L C_Small C2
U 1 1 57F000FA
P 5950 2900
F 0 "C2" H 5960 2970 50  0000 L CNN
F 1 "1µF" H 5960 2820 50  0000 L CNN
F 2 "" H 5950 2900 50  0000 C CNN
F 3 "" H 5950 2900 50  0000 C CNN
	1    5950 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 2750 5950 2750
Wire Wire Line
	5950 2750 5950 2800
Wire Wire Line
	6150 3050 5950 3050
Wire Wire Line
	5950 3050 5950 3000
$Comp
L C_Small C4
U 1 1 57F00304
P 7950 2900
F 0 "C4" H 7960 2970 50  0000 L CNN
F 1 "1µF" H 7960 2820 50  0000 L CNN
F 2 "" H 7950 2900 50  0000 C CNN
F 3 "" H 7950 2900 50  0000 C CNN
	1    7950 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 2750 7950 2750
Wire Wire Line
	7950 2750 7950 2800
Wire Wire Line
	7750 3050 7950 3050
Wire Wire Line
	7950 3050 7950 3000
$Comp
L C_Small C5
U 1 1 57F004E1
P 8000 3250
F 0 "C5" H 8010 3320 50  0000 L CNN
F 1 "1µF" H 8010 3170 50  0000 L CNN
F 2 "" H 8000 3250 50  0000 C CNN
F 3 "" H 8000 3250 50  0000 C CNN
	1    8000 3250
	0    1    1    0   
$EndComp
$Comp
L C_Small C6
U 1 1 57F00533
P 8000 3550
F 0 "C6" H 8010 3620 50  0000 L CNN
F 1 "1µF" H 8010 3470 50  0000 L CNN
F 2 "" H 8000 3550 50  0000 C CNN
F 3 "" H 8000 3550 50  0000 C CNN
	1    8000 3550
	0    1    1    0   
$EndComp
$Comp
L GND #PWR6
U 1 1 57F00570
P 8250 3250
F 0 "#PWR6" H 8250 3000 50  0001 C CNN
F 1 "GND" H 8250 3100 50  0000 C CNN
F 2 "" H 8250 3250 50  0000 C CNN
F 3 "" H 8250 3250 50  0000 C CNN
	1    8250 3250
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR7
U 1 1 57F0059A
P 8250 3550
F 0 "#PWR7" H 8250 3300 50  0001 C CNN
F 1 "GND" H 8250 3400 50  0000 C CNN
F 2 "" H 8250 3550 50  0000 C CNN
F 3 "" H 8250 3550 50  0000 C CNN
	1    8250 3550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7750 3250 7900 3250
Wire Wire Line
	7750 3550 7900 3550
Wire Wire Line
	8100 3250 8250 3250
Wire Wire Line
	8100 3550 8250 3550
$Comp
L C_Small C1
U 1 1 57F00E6E
P 3150 3250
F 0 "C1" H 3160 3320 50  0000 L CNN
F 1 "100nF" H 3160 3170 50  0000 L CNN
F 2 "" H 3150 3250 50  0000 C CNN
F 3 "" H 3150 3250 50  0000 C CNN
	1    3150 3250
	-1   0    0    1   
$EndComp
Wire Wire Line
	2850 3050 3150 3050
Connection ~ 2850 3050
Wire Wire Line
	3150 3050 3150 3150
Wire Wire Line
	3150 3350 3150 3850
Wire Wire Line
	2250 3850 3700 3850
Wire Wire Line
	3700 3450 4300 3450
Wire Wire Line
	3450 2750 3450 3750
Wire Wire Line
	2250 3650 3800 3650
Wire Wire Line
	4100 3650 4300 3650
Wire Wire Line
	3700 3850 3700 3450
Connection ~ 3150 3850
$Comp
L C_Small C3
U 1 1 57F1143C
P 7300 2250
F 0 "C3" H 7310 2320 50  0000 L CNN
F 1 "100nF" H 7310 2170 50  0000 L CNN
F 2 "" H 7300 2250 50  0000 C CNN
F 3 "" H 7300 2250 50  0000 C CNN
	1    7300 2250
	0    1    1    0   
$EndComp
Wire Wire Line
	7200 2250 6950 2250
Connection ~ 6950 2250
$Comp
L GND #PWR5
U 1 1 57F115E9
P 7500 2250
F 0 "#PWR5" H 7500 2000 50  0001 C CNN
F 1 "GND" H 7500 2100 50  0000 C CNN
F 2 "" H 7500 2250 50  0000 C CNN
F 3 "" H 7500 2250 50  0000 C CNN
	1    7500 2250
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7400 2250 7500 2250
$EndSCHEMATC