SAIC Motor has been granted a patent for a bidirectional isolated communication circuit and method for a differential signal. The circuit includes detection circuits for converting differential pairs ...
Most electrical and electronic devices today require a method to detect tampering. In many cases, it could mean that the door of a device has been opened. This post will share some tamper detection ...
Alarm system designs often require circuitry that can detect whether a phone line is active or broken. With this type of design, the primary difficulty is drawing less than 5 µA from the phone line ...
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