发明名称 |
POWER AMPLIFIER SYSTEM HAVING FREQUENCY AND AMPLIFIER FAILURE COMPENSATION |
摘要 |
A power amplifier system for use in amplifying an RF input signal exhibiting a given operating frequency within a known rage of frequencies. The system includes a signal modulator that receives and modifies the input signal and provides therefrom a modified first signal. A power amplifier receives and amplifies the modified first signal. A first power detector detects the input signal and provides therefrom an average input power signal representative of the average input power thereof. A second power detector connected to the output of the amplifier provides an output average power signal representative of the average output powere thereof. A controller adjusts the magnitude of said average input power signal as a function of the frequency level of the operating frequency. The controller includes a comparator that compares the adjusted said input average power signal and said adjusted putput average power signal and controls said modulator in accordance therewith. Also, the amplifier includes a plurality of sub-amplifiers that are monitored for failure and adjustments are made to the average output power signal as needed. |
申请公布号 |
WO02065634(A3) |
申请公布日期 |
2003.12.24 |
申请号 |
WO2002US01025 |
申请日期 |
2001.12.26 |
申请人 |
HARRIS CORPORATION |
发明人 |
HU, ZHIGUN;BORODULIN, DMITIRY |
分类号 |
G05B23/02;H03F1/52;H03F3/60;H03G3/30 |
主分类号 |
G05B23/02 |
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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