Electronic device and test method of electronic device
AssigneeFujitsu Limited
InventorsTeruaki YAGOSHI, Hitoshi YOKEMURA
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Abstract
An electronic device includes a receiver receiving a signal, a driver outputting a signal, and at least one of an amplitude measuring device having an amplitude detector connected to an input end of the receiver and a jitter measuring device having a phase detector connected to an output end of the receiver. An output end of the driver and an input end of the receiver are connected to measure at least one of the amplitude and jitter of the driver output.
Claims20
An electronic device comprising:
- a receiver receiving a signal;
- a driver outputting a signal;
- and
- at least one of an amplitude measuring device having an amplitude detector connected to an input end of the receiver and a jitter measuring device having a phase detector connected to an output end of the receiver,
- wherein an output end of the driver and an input end of the receiver are connected so as to measure at least one of amplitude and jitter of a driver output.
A test method for an electronic device comprising a receiver receiving a signal, a driver outputting a signal, and at least one of an amplitude measuring device having an amplitude detector connected to an input end of the receiver and a jitter measuring device having a phase detector connected to an output end of the receiver, the test method comprising:
- connecting an output end of the driver and an input end of the receiver;
- outputting a signal from the driver;
- measuring an amplitude of the signal output from the driver by the amplitude measuring device, if the amplitude measuring device is provided;
- and
- measuring the jitter of the signal output from the driver by the jitter measuring device, if the jitter measuring device is provided.
A method of production of an electronic device comprising a process of production and a test process,
- the process of production for producing a receiver receiving a signal, a driver outputting a signal, and at least one of an amplitude measuring device having an amplitude detector connected to an input end of the receiver and a jitter measuring device having phase detectors connected to an output end of the receiver;
- and
- the test process using the test method comprising:
- connecting an output end of the driver and an input end of the receiver;
- outputting a signal from the driver;
- measuring an amplitude of the signal output from the driver by the amplitude measuring device, if the amplitude measuring device is provided;
- and
- measuring the jitter of the signal output from the driver by the jitter measuring device, if the jitter measuring device is provided.
A machine-readable storage medium storing a computer program to perform a test method for an electronic device, the electronic device comprising a receiver receiving a signal, a driver outputting a signal, and at least one of an amplitude measuring device having an amplitude detector connected to an input end of the receiver and a jitter measuring device having a phase detector connected to an output end of the receiver, the method performed after connecting the input end of the receiver and the output end of the driver, the method comprising:
- outputting a signal from the driver;
- and
- measuring at least one of an amplitude and phase of the signal output from the driver by at least one of the amplitude measuring device connected to the input end of the receiver and the jitter measuring device connected to the output end of the receiver.
Dependencies are inferred from the claim text.