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1. 发明申请

WO2006030342A1 DEVICE FOR ULTRA WIDE BAND FREQUENCY GENERATING 审中-公开
标题翻译：用于超宽带频发生器的设备
公开(公告)号：WO2006030342A1
公开(公告)日：2006-03-23
申请号：PCT/IB2005/052893
申请日：2005-09-05
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , VAN DE BEEK, Remco , LEENAERTS, Dominicus, M., W. , VAN DER WEIDE, Gerard , BERGERVOET, Jozef, R., M.
发明人： VAN DE BEEK, Remco , LEENAERTS, Dominicus, M., W. , VAN DER WEIDE, Gerard , BERGERVOET, Jozef, R., M.
IPC分类号： H03B21/02
CPC分类号： H03D3/009
摘要： Devices (1) for exchanging ultra wide band signals comprise frequency translating stages (20,30) for frequency translating signals and oscillating stages (40) for supplying main inphase / quadrature oscillation signals to the frequency translating stages (20,30). By providing the oscillating stages (40) with polyphase filters (43,44) for reducing harmonics in oscillation signals, the main oscillation signals will be sufficiently clean. The oscillating stages (40) comprise mixers (46) for converting first inphase / quadrature oscillation signals and second inphase / quadrature oscillation signals into the main oscillation signals. The polyphase filters (43,44) may be located before and after the mixers (46). Frequency selectors (45) replace prior art multiplexers located after the mixers (46). Such frequency selectors (45) comprise multiplexers (126,127) for supplying the second inphase / quadrature oscillation signals, with a combination of these second oscillation signals corresponding with a positive frequency, a negative frequency or a zero frequency, and comprise coders (125) for controlling the multiplexers (126,127).
摘要翻译：用于交换超宽带信号的装置（1）包括用于频率转换信号的频率转换级（20,30）和用于将主相位/正交振荡信号提供给频率转换级（20,30）的振荡级（40）。通过为振荡级（40）提供多相滤波器（43,44）以减少振荡信号中的谐波，主振荡信号将足够清洁。振荡级（40）包括用于将第一同相/正交振荡信号和第二同相/正交振荡信号转换成主振荡信号的混频器（46）。多相过滤器（43,44）可以位于混合器（46）之前和之后。频率选择器（45）代替位于混频器（46）之后的现有技术的多路复用器。这种频率选择器（45）包括用于提供第二同相/正交振荡信号的多路复用器（126,127）以及与正频率，负频率或零频率对应的这些第二振荡信号的组合，并且包括编码器（125），用于控制多路复用器（126,127）。

2. 发明申请

WO2009080776A2 SIGNAL PROCESSING CIRCUIT AND METHOD WITH FREQUENCY UP- AND DOWN-CONVERSION 审中-公开
标题翻译：信号处理电路和频率上变频和下变频的方法
公开(公告)号：WO2009080776A2
公开(公告)日：2009-07-02
申请号：PCT/EP2008/068079
申请日：2008-12-19
申请人： ST WIRELESS S.A. , VAN DE BEEK, Remco , LEENAERTS, Domine , RAZZELL, Charles , BERGERVOET, Jozef R. M.
发明人： VAN DE BEEK, Remco , LEENAERTS, Domine , RAZZELL, Charles , BERGERVOET, Jozef R. M.
CPC分类号： H03D7/00 , H03D2200/0047 , H03D2200/0082 , H04L5/0007 , H04L27/0014 , H04L27/227 , H04L27/2601 , H04L27/364 , H04L2027/0016 , H04L2027/0022 , H04L2027/0032 , H04L2027/0065
摘要： A signal processing circuit comprises a frequency up-conversion circuit (14, 60) for performing up-conversion with a first local oscillator frequency and a frequency down-conversion circuit (16) for performing down-conversion with a second local oscillator frequency. A digital signal processor (10) controls supply first signals representing a first complex signal to the up-conversion circuit, and receives second signals representing a second complex signal. The digital signal processor controls a compensation of I/Q mismatch of results of up-conversion and/or down-conversion. The digital signal processor (10) switches to a calibration mode for selecting a parameter of said compensation. In the calibration mode the first and second local oscillator frequencies have a frequency offset with respect to each other. The digital signal processor (10) measures an amplitude of a frequency component at a frequency corresponding to mismatch in one and not more than one of the results of up-conversion and/or down-conversion, and selects the parameter dependent on the amplitude.
摘要翻译：信号处理电路包括用于以第一本地振荡器频率执行上变频的升频转换电路（14,60）和用于执行具有第二本机振荡器频率的下变频的降频转换电路（16）。数字信号处理器（10）控制向上转换电路提供表示第一复信号的第一信号，并接收表示第二复信号的第二信号。数字信号处理器控制上转换和/或下转换结果的I / Q不匹配的补偿。数字信号处理器（10）切换到用于选择所述补偿的参数的校准模式。在校准模式中，第一和第二本地振荡器频率相对于彼此具有频率偏移。数字信号处理器（10）以对应于上变频和/或下变频结果中的一个且不超过一个失配的频率测量频率分量的幅度，并且根据幅度选择参数。

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