... | ... | @@ -5,9 +5,9 @@ This page contains information on a previous versions of the switch card. |
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- capacitor **C176** should be not mounted by default (if it is mounted one can not program the chip with ISP)
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- transistor **T7** has drain interchanged with source. Quick fix: mount upside down and rotated, as presented below.
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![t7](https://gitlab.cern.ch/skulis/HGCSensorProbeCard/raw/master/hw/documentation/bugs/t7.jpg)
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![t7](https://ohwr.org/project/array/array/raw/master/doc/img/misc/t7.jpg)
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- pull up resistors are missing on DOUT of all ADG1414 ICs (IC90 - IC153).
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* Quick fix: add 33kOhm resistor between pins 22 and 23.
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* In case of PCB redesign: add 33kOhm between pin 22 and +3.3V
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- resistor **R579** should be not mounted |
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- resistor **R579** should be not mounted |
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