Electronic Device Testing System and Method

A testing system, comprising:

• a testing signal source used for generating and outputting a testing signal;
• a printed circuit board electrically connected to the testing signal source for receiving the testing signal, and a socket is disposed on the printed circuit board;
• a signal sensing unit, comprising:
• a sensor board electrically coupled to the socket, and the sensor board having a probing point;
• a probe selectively contacted with the probing point of the sensor board for receiving and outputting a sensing signal;
• and
• an operation amplifier electrically connected to the probe for receiving, amplifying and outputting the sensing signal;
• a fixing element used for fixing the sensor board between the socket and the fixing element;
• and
• an analysis unit electrically connected to the operation amplifier for receiving and analyzing the sensing signal to determine whether one or more pins of the socket are properly connected to the printed circuit board.

A testing system, comprising:

• a testing signal source used for generating and outputting a testing signal;
• a printed circuit board electrically connected to the testing signal source for receiving and outputting the testing signal;
• a socket electrically connected to the printed circuit board for receiving the testing signal;
• a signal sensing unit, comprising:
• a sensor board electrically coupled to the socket, and the sensor board having a probing point;
• a probe selectively contacted with the probing point of the sensor board for receiving and outputting a sensing signal;
• and
• an operation amplifier electrically connected to the probe for receiving, amplifying and outputting the sensing signal;
• a fixing element used for fixing the sensor board between the socket and the fixing element;
• and
• an analysis unit electrically connected to the operation amplifier for receiving and analyzing the sensing signal to determine whether one or more pins of the socket are properly connected to the printed circuit board.

A signal sensing unit used for detecting a socket, the signal sensing unit comprising:

• a sensor board electrically coupled to the socket, and the signal sensing unit having a probing point;
• a probe disposed over the sensor board for selectively contacting with the probing point of the sensor board;
• and
• an operation amplifier disposed over the probe and electrically connected to the probe.

A testing method suitable for a testing system, the testing system comprises a socket, a sensor board, a probe, and a fixing element, the sensor board fixed by the fixing element is disposed between the socket and the fixing element, the testing method comprising:

• outputting a testing signal to the socket, wherein the testing signal is transmitted through an integrated circuit with boundary-scan test function
• probing a sensing signal;
• amplifying the sensing signal;
• and
• converting the sensing signal to frequency domain spectrum data, and determining whether one or more pins of the socket under testing are properly connected to the printed circuit board assembly.