Automatic test system for RF connectors

Test fixture? It is a transitional device between the automatic test instrument and the tested object. Since? The signal input/output connectors at the A-end and the B-end of the motion detector are often not directly connected with the measured electricity. Connectors and their components (wiring harnesses) can be butted and inserted, which can only be formed by testing fixture? Complete detection system (Figure 2).

There are four double-ended wire harnesses in Figure 2, among which:

The wiring harness is the connecting cable between the computer outside the instrument and the printer;

B harness is the connecting cable between the computer and the instrument;

C wire harness is the connecting cable between instruments and testing tools;

D harness is the connecting cable between the test tool and the interconnection equipment under test.

If the instrument computer is built-in, there is no B harness, and the A harness is a direct connection between the printer and the instrument. Connect the cable. If the instrument, computer and printer are built-in, there are no A and B wire harnesses. Musical instrument? The instrument, test fixture and interconnection equipment under test are connected into a system through C and D wire harnesses.

Usually, if the automatic tester is equipped with a computer and a printer, are all three double-headed harnesses A, B and C? It is provided as an accessory of the instrument, and the D harness is necessary for users to design and manufacture the test fixture. Mediation should be considered. The essence of test fixture is to provide interface for instrument output and input signal? Equipment that is reliably connected with the interconnection equipment under test, one end of which is connected with the C wire harness provided by the instrument? Insert the sub-phase, and the other end is reliably connected with the interconnection device to be tested.

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