-
Notifications
You must be signed in to change notification settings - Fork 1
/
C02rcr.sch
308 lines (308 loc) · 7.47 KB
/
C02rcr.sch
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 5
Title "RTB - C02"
Date "2024-07-13"
Rev "0"
Comp "Frank Schumacher"
Comment1 "DCC/Railcom logger"
Comment2 ""
Comment3 ""
Comment4 "Licensed under the Apache License, Version 2.0"
$EndDescr
$Comp
L Comparator:LM393 U?
U 2 1 5B6DCDDC
P 3400 2650
AR Path="/5B6DCDDC" Ref="U?" Part="2"
AR Path="/5B6D9789/5B6DCDDC" Ref="U4" Part="2"
F 0 "U4" H 3500 2500 50 0000 C CNN
F 1 "LM393" H 3850 2900 50 0001 C CNN
F 2 "Frank:DFN-8-1EP_NG_2x2mm_Pitch0.5mm" H 3400 2650 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 3400 2650 50 0001 C CNN
2 3400 2650
1 0 0 -1
$EndComp
$Comp
L Comparator:LM393 U?
U 3 1 5B6DCDE3
P 3400 2650
AR Path="/5B6DCDE3" Ref="U?" Part="3"
AR Path="/5B6D9789/5B6DCDE3" Ref="U4" Part="3"
F 0 "U4" H 3400 2900 50 0001 L CNN
F 1 "LM393" H 3400 2400 50 0000 L CNN
F 2 "Frank:DFN-8-1EP_NG_2x2mm_Pitch0.5mm" H 3400 2650 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 3400 2650 50 0001 C CNN
3 3400 2650
1 0 0 -1
$EndComp
Wire Wire Line
3100 2550 2950 2550
$Comp
L Device:R R?
U 1 1 5B6DCDF6
P 2650 2550
AR Path="/5B6DCDF6" Ref="R?" Part="1"
AR Path="/5B6D9789/5B6DCDF6" Ref="R5" Part="1"
F 0 "R5" V 2750 2550 50 0000 C CNN
F 1 "1k" V 2650 2550 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2580 2550 50 0001 C CNN
F 3 "~" H 2650 2550 50 0001 C CNN
1 2650 2550
0 -1 -1 0
$EndComp
$Comp
L Device:R R?
U 1 1 5B6DCDFD
P 2950 2300
AR Path="/5B6DCDFD" Ref="R?" Part="1"
AR Path="/5B6D9789/5B6DCDFD" Ref="R7" Part="1"
F 0 "R7" H 2800 2250 50 0000 L CNN
F 1 "100k" V 2950 2200 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2880 2300 50 0001 C CNN
F 3 "~" H 2950 2300 50 0001 C CNN
1 2950 2300
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 5B6DCE04
P 2650 3600
AR Path="/5B6DCE04" Ref="R?" Part="1"
AR Path="/5B6D9789/5B6DCE04" Ref="R6" Part="1"
F 0 "R6" V 2550 3600 50 0000 C CNN
F 1 "1k" V 2650 3600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2580 3600 50 0001 C CNN
F 3 "~" H 2650 3600 50 0001 C CNN
1 2650 3600
0 -1 -1 0
$EndComp
Wire Wire Line
2500 2550 2300 2550
Wire Wire Line
2950 2450 2950 2550
Connection ~ 2950 2550
Wire Wire Line
2950 2550 2800 2550
$Comp
L power:GNDD #PWR?
U 1 1 5B6DCE1A
P 3300 3000
AR Path="/5B6DCE1A" Ref="#PWR?" Part="1"
AR Path="/5B6D9789/5B6DCE1A" Ref="#PWR02" Part="1"
F 0 "#PWR02" H 3300 2750 50 0001 C CNN
F 1 "GNDD" H 3305 2827 50 0000 C CNN
F 2 "" H 3300 3000 50 0001 C CNN
F 3 "" H 3300 3000 50 0001 C CNN
1 3300 3000
1 0 0 -1
$EndComp
Wire Wire Line
3300 2950 3300 3000
Text GLabel 1550 2550 0 50 Input ~ 0
DCC-1
Text GLabel 1550 2750 0 50 Input ~ 0
DCC-2
Wire Wire Line
2500 3600 2300 3600
Wire Wire Line
2300 3600 2300 2550
Wire Wire Line
2300 2550 1550 2550
Connection ~ 2300 2550
Wire Wire Line
2100 3400 2100 2750
Wire Wire Line
2100 2750 1550 2750
Text GLabel 2950 2150 1 50 Input ~ 0
5V
Text GLabel 4750 1650 2 50 Input ~ 0
VTRACK
Wire Wire Line
3700 3500 4050 3500
Text GLabel 4750 3100 2 50 Output ~ 0
RCMrx
Text Notes 750 900 0 118 ~ 0
Railcom RX
$Comp
L Device:R R?
U 1 1 5B6F6164
P 4450 2700
AR Path="/5B6F6164" Ref="R?" Part="1"
AR Path="/5B6D9789/5B6F6164" Ref="R19" Part="1"
F 0 "R19" H 4520 2746 50 0000 L CNN
F 1 "3.3k" H 4520 2655 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4380 2700 50 0001 C CNN
F 3 "~" H 4450 2700 50 0001 C CNN
1 4450 2700
1 0 0 -1
$EndComp
Text GLabel 4450 2400 1 50 Input ~ 0
5V
Wire Wire Line
4450 2400 4450 2550
$Comp
L Diode:BAT54A D5
U 1 1 5C79F36A
P 4050 3100
F 0 "D5" V 4096 3188 50 0000 L CNN
F 1 "BAT54A" V 4005 3188 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-323_SC-70" H 4125 3225 50 0001 L CNN
F 3 "http://www.diodes.com/_files/datasheets/ds11005.pdf" H 3930 3100 50 0001 C CNN
1 4050 3100
0 -1 -1 0
$EndComp
Wire Wire Line
3700 2650 4050 2650
Wire Wire Line
4050 2650 4050 2800
Wire Wire Line
4050 3500 4050 3400
Wire Wire Line
4250 3100 4450 3100
Wire Wire Line
4450 2850 4450 3100
Connection ~ 4450 3100
Wire Wire Line
4450 3100 4750 3100
Text GLabel 4750 3500 2 50 Output ~ 0
RCMpol
Wire Wire Line
4050 3500 4750 3500
Connection ~ 4050 3500
Wire Wire Line
2100 3400 2500 3400
$Comp
L Device:R R?
U 1 1 66586DC0
P 2650 2750
AR Path="/66586DC0" Ref="R?" Part="1"
AR Path="/5B6D9789/66586DC0" Ref="R4" Part="1"
F 0 "R4" V 2550 2750 50 0000 C CNN
F 1 "1k" V 2650 2750 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2580 2750 50 0001 C CNN
F 3 "~" H 2650 2750 50 0001 C CNN
1 2650 2750
0 -1 -1 0
$EndComp
Wire Wire Line
2100 2750 2500 2750
Connection ~ 2100 2750
Wire Wire Line
2800 2750 3100 2750
$Comp
L Device:R R?
U 1 1 66588207
P 2650 3400
AR Path="/66588207" Ref="R?" Part="1"
AR Path="/5B6D9789/66588207" Ref="R8" Part="1"
F 0 "R8" V 2750 3400 50 0000 C CNN
F 1 "1k" V 2650 3400 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2580 3400 50 0001 C CNN
F 3 "~" H 2650 3400 50 0001 C CNN
1 2650 3400
0 -1 -1 0
$EndComp
Wire Wire Line
2800 3400 2950 3400
Wire Wire Line
2800 3600 3100 3600
$Comp
L Device:R R?
U 1 1 665886BF
P 2950 3200
AR Path="/665886BF" Ref="R?" Part="1"
AR Path="/5B6D9789/665886BF" Ref="R33" Part="1"
F 0 "R33" H 2750 3150 50 0000 L CNN
F 1 "100k" V 2950 3100 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2880 3200 50 0001 C CNN
F 3 "~" H 2950 3200 50 0001 C CNN
1 2950 3200
1 0 0 -1
$EndComp
Wire Wire Line
2950 3350 2950 3400
Connection ~ 2950 3400
Wire Wire Line
2950 3400 3100 3400
Text GLabel 2950 3050 1 50 Input ~ 0
5V
$Comp
L Comparator:LM393 U?
U 1 1 5B6DCDEA
P 3400 3500
AR Path="/5B6DCDEA" Ref="U?" Part="1"
AR Path="/5B6D9789/5B6DCDEA" Ref="U4" Part="1"
F 0 "U4" H 3500 3300 50 0000 C CNN
F 1 "LM393" H 3550 3200 50 0000 C CNN
F 2 "Frank:DFN-8-1EP_NG_2x2mm_Pitch0.5mm" H 3400 3500 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 3400 3500 50 0001 C CNN
1 3400 3500
1 0 0 -1
$EndComp
$Comp
L Device:D_Schottky D1
U 1 1 667CAB5F
P 3800 1650
F 0 "D1" H 3800 1867 50 0000 C CNN
F 1 "D_Schottky" H 3800 1776 50 0000 C CNN
F 2 "Diode_SMD:D_0603_1608Metric" H 3800 1650 50 0001 C CNN
F 3 "~" H 3800 1650 50 0001 C CNN
1 3800 1650
1 0 0 -1
$EndComp
Wire Wire Line
3300 1650 3500 1650
Wire Wire Line
3300 1650 3300 2350
$Comp
L Device:C C1
U 1 1 667CDF00
P 3500 1800
F 0 "C1" H 3615 1846 50 0000 L CNN
F 1 "1u/35V" H 3615 1755 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3538 1650 50 0001 C CNN
F 3 "~" H 3500 1800 50 0001 C CNN
1 3500 1800
1 0 0 -1
$EndComp
Connection ~ 3500 1650
Wire Wire Line
3500 1650 3650 1650
$Comp
L power:GNDD #PWR?
U 1 1 667D0188
P 3500 1950
AR Path="/667D0188" Ref="#PWR?" Part="1"
AR Path="/5B6D9789/667D0188" Ref="#PWR0106" Part="1"
F 0 "#PWR0106" H 3500 1700 50 0001 C CNN
F 1 "GNDD" H 3505 1777 50 0000 C CNN
F 2 "" H 3500 1950 50 0001 C CNN
F 3 "" H 3500 1950 50 0001 C CNN
1 3500 1950
1 0 0 -1
$EndComp
Wire Wire Line
3950 1650 4750 1650
Wire Notes Line
850 1100 6300 1100
Wire Notes Line
6300 1100 6300 4150
Wire Notes Line
6300 4150 850 4150
Wire Notes Line
850 4150 850 1100
Text Notes 950 1250 0 50 Italic 0
Railcom detector
Text Notes 5200 3550 0 50 Italic 0
RCM polarity
Text Notes 5200 3150 0 50 Italic 0
RCM data
Text Notes 2500 2200 0 50 Italic 0
50mV bias
Text Notes 2500 3100 0 50 Italic 0
50mV bias
$EndSCHEMATC