Sylvain Munaut | 1599a58 | 2020-09-14 10:45:06 +0200 | [diff] [blame] | 1 | EESchema Schematic File Version 4 |
| 2 | EELAYER 30 0 |
| 3 | EELAYER END |
| 4 | $Descr A4 11693 8268 |
| 5 | encoding utf-8 |
| 6 | Sheet 5 7 |
| 7 | Title "icE1usb - E1 interface bias generation" |
| 8 | Date "2020-08-19" |
| 9 | Rev "0.1" |
| 10 | Comp "" |
| 11 | Comment1 "CERN-OHL-S" |
| 12 | Comment2 "(C) 2020 Sylvain Munaut" |
| 13 | Comment3 "" |
| 14 | Comment4 "" |
| 15 | $EndDescr |
| 16 | Text HLabel 2000 3500 0 50 Input ~ 0 |
| 17 | bias0 |
| 18 | Text HLabel 2000 4500 0 50 Input ~ 0 |
| 19 | bias1 |
| 20 | Text HLabel 5500 2500 2 50 Output ~ 0 |
| 21 | bias_a_p |
| 22 | Text HLabel 5500 3500 2 50 Output ~ 0 |
| 23 | bias_a_n |
| 24 | Text HLabel 5500 4500 2 50 Output ~ 0 |
| 25 | bias_b_p |
| 26 | Text HLabel 5500 5500 2 50 Output ~ 0 |
| 27 | bias_b_n |
| 28 | $Comp |
| 29 | L Device:R_Small R20 |
| 30 | U 1 1 5F4D7D0D |
| 31 | P 4700 2500 |
| 32 | F 0 "R20" V 4504 2500 50 0000 C CNN |
| 33 | F 1 "0R" V 4595 2500 50 0000 C CNN |
| 34 | F 2 "Resistor_SMD:R_0603_1608Metric" H 4700 2500 50 0001 C CNN |
| 35 | F 3 "~" H 4700 2500 50 0001 C CNN |
| 36 | 1 4700 2500 |
| 37 | 0 1 1 0 |
| 38 | $EndComp |
| 39 | $Comp |
| 40 | L Device:C_Small C27 |
| 41 | U 1 1 5F4D81DA |
| 42 | P 3000 3700 |
| 43 | F 0 "C27" H 3092 3746 50 0000 L CNN |
| 44 | F 1 "1u" H 3092 3655 50 0000 L CNN |
| 45 | F 2 "Capacitor_SMD:C_0603_1608Metric" H 3000 3700 50 0001 C CNN |
| 46 | F 3 "~" H 3000 3700 50 0001 C CNN |
| 47 | 1 3000 3700 |
| 48 | 1 0 0 -1 |
| 49 | $EndComp |
| 50 | $Comp |
| 51 | L Device:C_Small C28 |
| 52 | U 1 1 5F4D8409 |
| 53 | P 3000 4700 |
| 54 | F 0 "C28" H 3092 4746 50 0000 L CNN |
| 55 | F 1 "1u" H 3092 4655 50 0000 L CNN |
| 56 | F 2 "Capacitor_SMD:C_0603_1608Metric" H 3000 4700 50 0001 C CNN |
| 57 | F 3 "~" H 3000 4700 50 0001 C CNN |
| 58 | 1 3000 4700 |
| 59 | 1 0 0 -1 |
| 60 | $EndComp |
| 61 | $Comp |
| 62 | L power:GND #PWR057 |
| 63 | U 1 1 5F4D8911 |
| 64 | P 3000 3900 |
| 65 | F 0 "#PWR057" H 3000 3650 50 0001 C CNN |
| 66 | F 1 "GND" H 3005 3727 50 0000 C CNN |
| 67 | F 2 "" H 3000 3900 50 0001 C CNN |
| 68 | F 3 "" H 3000 3900 50 0001 C CNN |
| 69 | 1 3000 3900 |
| 70 | 1 0 0 -1 |
| 71 | $EndComp |
| 72 | $Comp |
| 73 | L power:GND #PWR058 |
| 74 | U 1 1 5F4D8C18 |
| 75 | P 3000 4900 |
| 76 | F 0 "#PWR058" H 3000 4650 50 0001 C CNN |
| 77 | F 1 "GND" H 3005 4727 50 0000 C CNN |
| 78 | F 2 "" H 3000 4900 50 0001 C CNN |
| 79 | F 3 "" H 3000 4900 50 0001 C CNN |
| 80 | 1 3000 4900 |
| 81 | 1 0 0 -1 |
| 82 | $EndComp |
| 83 | Wire Wire Line |
| 84 | 3000 4800 3000 4900 |
| 85 | Wire Wire Line |
| 86 | 2700 4500 3000 4500 |
| 87 | Wire Wire Line |
| 88 | 3000 4500 3000 4600 |
| 89 | Wire Wire Line |
| 90 | 2500 4500 2000 4500 |
| 91 | Wire Wire Line |
| 92 | 2000 3500 2500 3500 |
| 93 | Wire Wire Line |
| 94 | 2700 3500 3000 3500 |
| 95 | Wire Wire Line |
| 96 | 3000 3500 3000 3600 |
| 97 | Wire Wire Line |
| 98 | 3000 3800 3000 3900 |
| 99 | $Comp |
| 100 | L Device:C_Small C26 |
| 101 | U 1 1 5F4DA17F |
| 102 | P 3000 2700 |
| 103 | F 0 "C26" H 3092 2746 50 0000 L CNN |
| 104 | F 1 "1u" H 3092 2655 50 0000 L CNN |
| 105 | F 2 "Capacitor_SMD:C_0603_1608Metric" H 3000 2700 50 0001 C CNN |
| 106 | F 3 "~" H 3000 2700 50 0001 C CNN |
| 107 | 1 3000 2700 |
| 108 | 1 0 0 -1 |
| 109 | $EndComp |
| 110 | $Comp |
| 111 | L s47-passive:R_Pack04_Split RN7 |
| 112 | U 1 1 5F4DCADF |
| 113 | P 2600 2500 |
| 114 | F 0 "RN7" V 2404 2500 50 0000 C CNN |
| 115 | F 1 "10k" V 2495 2500 50 0000 C CNN |
| 116 | F 2 "Resistor_SMD:R_Array_Convex_4x0603" H 2600 2500 60 0001 C CNN |
| 117 | F 3 "" H 2600 2500 60 0000 C CNN |
| 118 | 1 2600 2500 |
| 119 | 0 1 1 0 |
| 120 | $EndComp |
| 121 | $Comp |
| 122 | L s47-passive:R_Pack04_Split RN7 |
| 123 | U 2 1 5F4DCF84 |
| 124 | P 2800 2700 |
| 125 | F 0 "RN7" H 2741 2746 50 0000 R CNN |
| 126 | F 1 "10k" H 2741 2655 50 0000 R CNN |
| 127 | F 2 "Resistor_SMD:R_Array_Convex_4x0603" H 2800 2700 60 0001 C CNN |
| 128 | F 3 "" H 2800 2700 60 0000 C CNN |
| 129 | 2 2800 2700 |
| 130 | 1 0 0 -1 |
| 131 | $EndComp |
| 132 | $Comp |
| 133 | L s47-passive:R_Pack04_Split RN7 |
| 134 | U 4 1 5F4DD23C |
| 135 | P 2600 4500 |
| 136 | F 0 "RN7" V 2404 4500 50 0000 C CNN |
| 137 | F 1 "10k" V 2495 4500 50 0000 C CNN |
| 138 | F 2 "Resistor_SMD:R_Array_Convex_4x0603" H 2600 4500 60 0001 C CNN |
| 139 | F 3 "" H 2600 4500 60 0000 C CNN |
| 140 | 4 2600 4500 |
| 141 | 0 1 1 0 |
| 142 | $EndComp |
| 143 | $Comp |
| 144 | L s47-passive:R_Pack04_Split RN7 |
| 145 | U 3 1 5F4DD9E1 |
| 146 | P 2600 3500 |
| 147 | F 0 "RN7" V 2404 3500 50 0000 C CNN |
| 148 | F 1 "10k" V 2495 3500 50 0000 C CNN |
| 149 | F 2 "Resistor_SMD:R_Array_Convex_4x0603" H 2600 3500 60 0001 C CNN |
| 150 | F 3 "" H 2600 3500 60 0000 C CNN |
| 151 | 3 2600 3500 |
| 152 | 0 1 1 0 |
| 153 | $EndComp |
| 154 | Wire Wire Line |
| 155 | 2700 2500 2800 2500 |
| 156 | Wire Wire Line |
| 157 | 3000 2500 3000 2600 |
| 158 | Wire Wire Line |
| 159 | 2800 2500 2800 2600 |
| 160 | Connection ~ 2800 2500 |
| 161 | Wire Wire Line |
| 162 | 2800 2500 3000 2500 |
| 163 | $Comp |
| 164 | L power:GND #PWR056 |
| 165 | U 1 1 5F4DFC15 |
| 166 | P 3000 2900 |
| 167 | F 0 "#PWR056" H 3000 2650 50 0001 C CNN |
| 168 | F 1 "GND" H 3005 2727 50 0000 C CNN |
| 169 | F 2 "" H 3000 2900 50 0001 C CNN |
| 170 | F 3 "" H 3000 2900 50 0001 C CNN |
| 171 | 1 3000 2900 |
| 172 | 1 0 0 -1 |
| 173 | $EndComp |
| 174 | $Comp |
| 175 | L power:GND #PWR055 |
| 176 | U 1 1 5F4DFEE3 |
| 177 | P 2800 2900 |
| 178 | F 0 "#PWR055" H 2800 2650 50 0001 C CNN |
| 179 | F 1 "GND" H 2805 2727 50 0000 C CNN |
| 180 | F 2 "" H 2800 2900 50 0001 C CNN |
| 181 | F 3 "" H 2800 2900 50 0001 C CNN |
| 182 | 1 2800 2900 |
| 183 | 1 0 0 -1 |
| 184 | $EndComp |
| 185 | $Comp |
| 186 | L power:+3V3 #PWR054 |
| 187 | U 1 1 5F4E01FD |
| 188 | P 2400 2400 |
| 189 | F 0 "#PWR054" H 2400 2250 50 0001 C CNN |
| 190 | F 1 "+3V3" H 2415 2573 50 0000 C CNN |
| 191 | F 2 "" H 2400 2400 50 0001 C CNN |
| 192 | F 3 "" H 2400 2400 50 0001 C CNN |
| 193 | 1 2400 2400 |
| 194 | 1 0 0 -1 |
| 195 | $EndComp |
| 196 | Wire Wire Line |
| 197 | 2400 2400 2400 2500 |
| 198 | Wire Wire Line |
| 199 | 2400 2500 2500 2500 |
| 200 | Wire Wire Line |
| 201 | 2800 2800 2800 2900 |
| 202 | Wire Wire Line |
| 203 | 3000 2800 3000 2900 |
| 204 | $Comp |
| 205 | L Device:R_Small R21 |
| 206 | U 1 1 5F4E23E9 |
| 207 | P 4700 2700 |
| 208 | F 0 "R21" V 4804 2700 50 0000 C CNN |
| 209 | F 1 "0R" V 4895 2700 50 0000 C CNN |
| 210 | F 2 "Resistor_SMD:R_0603_1608Metric" H 4700 2700 50 0001 C CNN |
| 211 | F 3 "~" H 4700 2700 50 0001 C CNN |
| 212 | F 4 "DNP" V 4986 2700 50 0000 C CNN "DNP" |
| 213 | 1 4700 2700 |
| 214 | 0 1 1 0 |
| 215 | $EndComp |
| 216 | Text Notes 7600 2700 0 50 ~ 0 |
| 217 | A+ |
| 218 | Text Notes 8100 2700 0 50 ~ 0 |
| 219 | A- |
| 220 | Text Notes 8600 2700 0 50 ~ 0 |
| 221 | B+ |
| 222 | Text Notes 9100 2700 0 50 ~ 0 |
| 223 | B- |
| 224 | Text Notes 6600 3000 0 50 ~ 0 |
| 225 | Single Sensitivity\nDual Rail bias adjust |
| 226 | Text Notes 6600 3400 0 50 ~ 0 |
| 227 | Dual Sensitivity\nSingle Rail bias adjust |
| 228 | Text Notes 7600 3300 0 50 ~ 0 |
| 229 | Fixed |
| 230 | Text Notes 8600 3300 0 50 ~ 0 |
| 231 | Fixed |
| 232 | Text Notes 8100 3300 0 50 ~ 0 |
| 233 | Bias 0 |
| 234 | Text Notes 9100 3300 0 50 ~ 0 |
| 235 | Bias 1 |
| 236 | Text Notes 9100 2900 0 50 ~ 0 |
| 237 | Bias 1 |
| 238 | Text Notes 8600 2900 0 50 ~ 0 |
| 239 | Bias 0 |
| 240 | Text Notes 7600 2900 0 50 ~ 0 |
| 241 | Bias 0 |
| 242 | Text Notes 8100 2900 0 50 ~ 0 |
| 243 | Bias 1 |
| 244 | Wire Notes Line |
| 245 | 6500 2800 9500 2800 |
| 246 | Wire Notes Line |
| 247 | 7500 2600 7500 3500 |
| 248 | Wire Wire Line |
| 249 | 3000 4500 3500 4500 |
| 250 | Connection ~ 3000 4500 |
| 251 | Wire Wire Line |
| 252 | 3000 3500 3500 3500 |
| 253 | Connection ~ 3000 3500 |
| 254 | Wire Wire Line |
| 255 | 3000 2500 3500 2500 |
| 256 | Connection ~ 3000 2500 |
| 257 | Text Label 3500 2500 2 50 ~ 0 |
| 258 | bias_fixed |
| 259 | Text Label 3500 3500 2 50 ~ 0 |
| 260 | bias_0 |
| 261 | Wire Wire Line |
| 262 | 5500 5500 4000 5500 |
| 263 | Text Label 4000 5500 0 50 ~ 0 |
| 264 | bias_1 |
| 265 | Wire Wire Line |
| 266 | 5300 4500 5500 4500 |
| 267 | Wire Wire Line |
| 268 | 4800 2700 5000 2700 |
| 269 | Wire Wire Line |
| 270 | 5000 2700 5000 2500 |
| 271 | Connection ~ 5000 2500 |
| 272 | Wire Wire Line |
| 273 | 5000 2500 4800 2500 |
| 274 | Wire Wire Line |
| 275 | 4600 2500 4000 2500 |
| 276 | Wire Wire Line |
| 277 | 4600 2700 4000 2700 |
| 278 | Wire Wire Line |
| 279 | 5000 2500 5300 2500 |
| 280 | Wire Wire Line |
| 281 | 5300 2500 5300 4500 |
| 282 | Connection ~ 5300 2500 |
| 283 | Wire Wire Line |
| 284 | 5300 2500 5500 2500 |
| 285 | $Comp |
| 286 | L Device:R_Small R22 |
| 287 | U 1 1 5F50BC9B |
| 288 | P 4700 3500 |
| 289 | F 0 "R22" V 4504 3500 50 0000 C CNN |
| 290 | F 1 "0R" V 4595 3500 50 0000 C CNN |
| 291 | F 2 "Resistor_SMD:R_0603_1608Metric" H 4700 3500 50 0001 C CNN |
| 292 | F 3 "~" H 4700 3500 50 0001 C CNN |
| 293 | 1 4700 3500 |
| 294 | 0 1 1 0 |
| 295 | $EndComp |
| 296 | Wire Wire Line |
| 297 | 4600 3500 4000 3500 |
| 298 | Wire Wire Line |
| 299 | 4600 3700 4000 3700 |
| 300 | Wire Wire Line |
| 301 | 4800 3500 5000 3500 |
| 302 | Wire Wire Line |
| 303 | 4800 3700 5000 3700 |
| 304 | Wire Wire Line |
| 305 | 5000 3700 5000 3500 |
| 306 | Connection ~ 5000 3500 |
| 307 | Wire Wire Line |
| 308 | 5000 3500 5500 3500 |
| 309 | Text Label 4000 2500 0 50 ~ 0 |
| 310 | bias_fixed |
| 311 | Text Label 4000 2700 0 50 ~ 0 |
| 312 | bias_0 |
| 313 | Text Label 4000 3500 0 50 ~ 0 |
| 314 | bias_0 |
| 315 | Text Label 3500 4500 2 50 ~ 0 |
| 316 | bias_1 |
| 317 | Text Label 4000 3700 0 50 ~ 0 |
| 318 | bias_1 |
| 319 | $Comp |
| 320 | L Device:R_Small R23 |
| 321 | U 1 1 5F50BF56 |
| 322 | P 4700 3700 |
| 323 | F 0 "R23" V 4804 3700 50 0000 C CNN |
| 324 | F 1 "0R" V 4895 3700 50 0000 C CNN |
| 325 | F 2 "Resistor_SMD:R_0603_1608Metric" H 4700 3700 50 0001 C CNN |
| 326 | F 3 "~" H 4700 3700 50 0001 C CNN |
| 327 | F 4 "DNP" V 4986 3700 50 0000 C CNN "DNP" |
| 328 | 1 4700 3700 |
| 329 | 0 1 1 0 |
| 330 | $EndComp |
| 331 | Text Notes 2100 5400 0 50 ~ 0 |
| 332 | f_c = 16 Hz for single pole RC |
| 333 | $EndSCHEMATC |