We always enjoy [w2aew’s] videos, and his latest on zener diodes is no exception. In it, he asserts that all Zener diodes are not created equal. Why? You’ll have to watch the video belo… ...

To set the static level at the input pin,you must enable the FPGA’s internalpulldown resistor to prevent the PCIclamp diodes from being driven too hardwhen the input is continuously high. The current ...