发明名称 |
A HIGH-POWER SELECTIVE SIGNAL ATTENUATOR AND METHOD OF ATTENUATION |
摘要 |
The high-power selective signal attenuator includes an attenuator attenuating analog main signals, and a first analog-to- digital converter converting output of the attenuator to digital. A digital-to-analog converter reconverts the digital output of the first ADC to analog, and a cancellor receives the main signals and the analog output from the DAC. The cancellor cancels the analog output of the DAC from the main signals to substantially eliminate high- power signals. A second ADC receives the output of the cancellor and generates a digital output. Based on the digital output, control circuitry dynamically controls the attenuation of the attenuator to prevent saturation of the second ADC and to improve information throughput.
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申请公布号 |
CA2337601(A1) |
申请公布日期 |
2001.09.22 |
申请号 |
CA20012337601 |
申请日期 |
2001.02.19 |
申请人 |
LUCENT TECHNOLOGIES, INC. |
发明人 |
KOLSRUD, ARILD;ZAPPALA, CHRISTOPHER F. |
分类号 |
H01P1/22;H03M1/12;H03M1/18;(IPC1-7):H03M1/18 |
主分类号 |
H01P1/22 |
代理机构 |
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