-v 20201211 2
+v 20211219 2
C 40000 40000 0 0 0 title-E.sym
N 54800 41700 65600 41700 4
N 57300 41700 57300 43200 4
C 41900 57800 1 0 1 gnd.sym
-T 79000 41900 9 30 1 0 0 0 1
+T 78800 41800 9 30 1 0 0 0 1
TeleStatic
C 44900 46200 1 0 0 gnd.sym
N 42600 46700 41200 46700 4
}
C 47500 41300 1 0 0 gnd.sym
T 82400 40400 9 10 1 0 0 0 1
-4
+4.1
T 80000 40400 9 10 1 0 0 0 1
1
T 80600 40400 9 10 1 0 0 0 1
netname=adc_drdy
}
N 76600 72900 76300 72900 4
-T 77400 40600 9 10 1 0 0 0 3
- Copyright 2020 by Bdale Garbee <bdale@gag.com>
+T 77100 40600 9 10 1 0 0 0 3
+ Copyright 2022 by Bdale Garbee <bdale@gag.com>
Licensed under the TAPR Open Hardware License, http://tapr.org/OHL
N 76600 65700 76500 65700 4
needs gain 167 to optimally drive
5V ADC input, which is 369 ohms.
The next higher std value is 374.
-T 60600 68700 9 10 1 0 0 0 1
+T 60400 68700 9 10 1 0 0 0 1
10V default
T 60900 66100 9 10 1 0 0 0 9
excite +
T 55600 54700 5 10 0 0 0 0 1
device=DRC_Directive
}
+C 72500 69500 1 90 0 zener.sym
+{
+T 71900 69900 5 10 0 0 90 0 1
+device=DIODE
+T 72000 69700 5 10 1 1 0 6 1
+refdes=Z1
+T 72000 70000 5 10 1 1 0 6 1
+value=5.1V
+T 72500 69500 5 10 0 1 0 0 1
+footprint=0805diode
+}
+C 72200 69200 1 0 0 gnd.sym
+T 71400 68400 9 10 1 0 0 0 3
+Protect ADC input
+should INA125 output
+exceed 5V ADC range
+C 40800 57300 1 0 0 gnd.sym