首页 ->> 产品和方案 ->> 总线测试 ->> IEEE 1394 总线测试 ->> 1394b信号质量测试工具1394b信号质量测试工具

1394b信号质量测试工具

产品简介 IEEE1394b (Beat)信号质量测试仪 QP-SQT SQT是signal quality tester,主要用于测试1394总线信号质量(或者信号完整性)。
QP-SQT - Signal Quality Tester for IEEE-1394b (Beta)
QP's Signal Quality Tester (formerly QP-JSFSQT) is built upon a scalable platform with a VersaPHYTM backchannel and targeted at Beta signal quality testing. Engineered to conveniently test both transmitter signal integrity and receiver sensitivity the SQT automates both sets of tests. QP-SQT requires Windows XP, MS-Excel 2003, and GPIB support. National Instruments GPIB support is recommended. Please contact QP for the lastest list of supported oscilloscope models from Agilent, LeCroy, and Tektronix.
Receive Tester
The SQT’s Receive Tester (SQT-RT) conditions real world signals to provide worse case amplitude. By stressing the input of the device under test (DUT) in this manner a comprehensive receiver test can be done quickly and inexpensively. The SQT-RT is designed to test up to 3 port devices during one test run. SQT-RT is also designed to provide a first order indication of BER in approximately 3 minutes per port when directly connected to the DUT. QP provides a variety of cables to the SQT-RT's 9-pin connectors (38999, HSD, USCAR, RJ-45, etc...).
SQT-RT measures the following parameters:
Receiver sensitivity
Real world Bit Error Rate (BER)
Receiver margin
Transmit Tester
The SQT's Signal Integrity Tester (SQT-SIT) is used to test the output of the device under test (DUT). The data acquired from the oscilloscope is post processed using commonly available and inexpensive MS-Excel 2003. The flexible post processing method allows for Near End and Far End measurements. Additionally, the IEEE-1394b and SAE AS5643 parameters are used to qualify the results. Using the appropriate Test Fixture all ports of the DUT are tested. QP provides automation support for several oscilloscopes. Please contact QP for the most up-to-date list of supported oscilloscope.
SQT-SIT measures the following parameters:
Baud rate
Differential amplitude
Rise/Fall time
Eye diagram with mask
Jitter
Differential skew
Common mode voltage