The classic function of a socket is to provide a replaceable connection mechanism from the IC (Integrated Circuit) to the circuit board with minimal signal loss. This allows the IC to function as it is soldered into the PCB (printed circuit board) but can be replaced by another IC for testing. Selecting the right RF test socket requires careful consideration of several factors – frequency, insertion loss, return loss, impedance matching, contact force, contact resistance, durability, thermal performance, etc.
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