发明名称 |
WANDER GENERATOR, AND DIGITAL LINE TESTER AND PHASE NOISE TRANSFER CHARACTERISTIC ANALYZER USING THE SAME |
摘要 |
A wander generator has a random number signal generator unit, a filter unit, a clock generator unit, a modulator unit, and a setting unit. The random number generator unit sequentially generates random number signals comprised of a plurality of bits at a constant speed in accordance with a predetermined algorithm. The filter unit receives a random number signal sequence generated by the random number signal generator unit for filtering. The clock generator unit generates a clock signal. The modulator unit modulates the frequency of clock signal generated by the clock generator unit with a signal output from the filter unit. The setting unit applies the filter unit with a signal for setting each amplitude value of a spectrum of a signal sequence output from the filter unit.
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申请公布号 |
US2007286322(A1) |
申请公布日期 |
2007.12.13 |
申请号 |
US20070683313 |
申请日期 |
2007.03.07 |
申请人 |
ANRITSU CORPORATION |
发明人 |
UCHINO MASAHARU;ISHIBE KAZUHIKO;AOKI TAKASHI;MOCHIZUKI KEN |
分类号 |
H03D3/24;G06F1/03;G06F7/58;H04L1/24;H04L25/03 |
主分类号 |
H03D3/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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