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The HP 3781B Pattern Generator used with a HP 3782B Error Detector forms a flexible, high-performance error measuring system for use in the North American digital hierarchy. Standard interfaces include DS I, DS I C, DS2, and DS3. Binary ECL operation to 50 Mb/ s covers general-purpose requirements. Automated or remote measurement capability with HP-IB. Measurements can be made on all types of digital transmission systems including cable, digital radio, satellite, and lightwave. The pattern generator provides a wide range of test patterns including PRBS for simulating live traffic and shorter WORD patterns for checking pattern sensitivity in transmission equipment. Binary and code error injection capability is included for stress-testing line terminating equipment. A jitter modulation input is provided to add controlled amounts of jitter to the output test pattern and perform jitter tolerance tests on equipment interfaces.
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