专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO01008367A1 MODULATING METHOD AND DEVICE IN A TRANSMITTER 审中-公开
标题翻译：变送器中的调制方法和装置
公开(公告)号：WO01008367A1
公开(公告)日：2001-02-01
申请号：PCT/FR2000/002084
申请日：2000-07-20
IPC分类号： H03J5/02 , H03J5/24 , H04B1/40 , H04L25/03 , H04L27/20
CPC分类号： H03J5/242 , H03J5/0272 , H04B1/406 , H04L25/03834 , H04L27/2017
摘要： The invention concerns a method for producing a mobile telephone system dual band transmitter with one single voltage-controlled oscillator (24), which consists in modulating a reference signal with a modulating signal. The modulated reference signal is introduced as set point input in a loop (1) adjusting a single voltage-controlled oscillator of the transmitter. Downstream of said loop, a halving unit (2) is arranged to perform halving on request (C). When a halving is being carried out, in order to prevent the modulation index to be affected by said halving, the method consists in multiplying the modulating signal by two (8, 39). Thus, said multiplication by two of the modulating signal amplitude results in restoring and increasing the spectral occupancy of said modulating signal in the transposed frequency band.
摘要翻译：本发明涉及一种用于制造具有一个单个压控振荡器（24）的移动电话系统双频带发射机的方法，其中包括用调制信号调制参考信号。调制参考信号作为设置点输入引入到调整发射机的单个压控振荡器的环路（1）中。所述循环的下游，一个半部分（2）被设置成根据要求（C）执行一半。当进行一半时，为了防止调制指数受到所述减半的影响，该方法包括将调制信号乘以2（8,39）。因此，所述乘以两个调制信号幅度导致恢复并增加所述调制信号在转置频带中的频谱占用。

2. 发明申请

WO99059256A1 FULLY INTEGRATED ALL-CMOS AM RECEIVER 审中-公开
标题翻译：全集成全CMOS接收器
公开(公告)号：WO99059256A1
公开(公告)日：1999-11-18
申请号：PCT/US1999/009995
申请日：1999-05-06
IPC分类号： H03J5/02 , H03L7/197 , H04B1/28
CPC分类号： H04B1/1027 , H03J5/0272 , H03L7/197 , H04B1/26 , H04B1/28
摘要： A single chip superheterodyne AM receiver is disclosed herein. Pin count may be 4 or more. The receiver is a OOK (ON-OFF keyed) Receiver IC for remote wireless applications. This device is an "antenna-in, data-out" monolithic device. All RF and IF tuning is accomplished automatically within the IC, which eliminates manual tuning, and reduces production costs. Receiver functions are completely integrated. The result is a highly reliable yet extremely low cost solution for high volume wireless applications. Because the receiver is a true single-chip radio receiver, it is extremely easy to apply, minimizing design and production costs, and improving time to market. The receiver uses a novel architecture that allows the receiver to demodulate signals over a wide RF band, which eliminates the need for manual tuning. This is referred to as a swept LO mode. This also significantly relaxes the frequency accuracy and stability requirements of the Transmitter, allowing the receiver to be compatible with both SAW-based and LC-based transmitters. The receiver sensitivity and selectivity are sufficient to provide low bit error rates for decode ranges over 100 meters, equaling the performance of other more expensive solutions. All tuning and alignment are accomplished on-chip with a reference frequency provided by a low-cost ceramic resonator or an externally supplied clock reference. All post-detection (demodulator) data filtering is provided on the receiver chip, so no external filters need to be designed.
摘要翻译：本文公开了单芯片超外差AM接收机。针数可以是4以上。接收器是用于远程无线应用的OOK（ON-OFF键控）接收器IC。该设备是“天线输入，数据输出”单片设备。所有RF和IF调谐都在IC内自动完成，从而消除了手动调谐，并降低了生产成本。接收机功能完全集成。结果是对于大容量无线应用来说是一种高度可靠但极低成本的解决方案。由于接收机是真正的单芯片无线电接收器，因此极其容易应用，最小化设计和生产成本，并缩短上市时间。接收机使用一种新的架构，允许接收机在宽的RF频带上对信号进行解调，从而无需手动调谐。这被称为扫描LO模式。这也显着放宽了发射机的频率精度和稳定性要求，使接收机能兼容基于SAW和LC的发射机。接收机灵敏度和选择性足以在100米以上的解码范围内提供低误码率，这等于其他更昂贵的解决方案的性能。所有调谐和对准都是通过低成本陶瓷谐振器或外部提供的时钟参考提供的参考频率在芯片上完成的。在接收器芯片上提供所有后检测（解调器）数据滤波，因此不需要设计外部滤波器。

3. 发明申请

WO00025427A1 FREQUENCY SYNTHESIZER 审中-公开
标题翻译：频率合成器
公开(公告)号：WO00025427A1
公开(公告)日：2000-05-04
申请号：PCT/EP1999/007463
申请日：1999-09-28
IPC分类号： H03J7/02 , H03J5/02 , H03J7/06 , H03L7/087 , H03L7/089 , H03L7/18 , H04B1/26 , H04B1/30
CPC分类号： H03J7/065 , H03J5/0272 , H03L7/087 , H03L7/0891
摘要： Frequency synthesizers are used for down conversion of RF signals in a lot of applications such as digital and analog radio and television receivers, car radios id. By combining the voltage-controlled oscillator of the phase locked loop demodulator with the voltage controlled oscillator of the frequency synthesizer a major cost reduction can be achieved but measures have to be made to prevent that the two PLLs try to lock the same VCO to different frequencies. The invention provides a frequency synthesizer (FS3) whereby switching means (33) between the phase frequency comparator (31) and the charging means (35) are controlled by using a frequency window detector (371, 373, 375). The phase frequency detector (31) is disconnected from said charging means (35) when it is detected that the frequency difference between the frequency synthesizer input signals is lower than a predetermined value, whereafter said voltage-controlled oscillator (VC03) is only driven by an AFC signal.
摘要翻译：频率合成器用于许多应用中的RF信号的下变频，例如数字和模拟无线电和电视接收机，汽车收音机。通过将锁相环解调器的压控振荡器与频率合成器的压控振荡器组合，可以实现主要的成本降低，但是必须进行措施以防止两个PLL尝试将相同的VCO锁定到不同的频率。本发明提供一种频率合成器（FS3），通过使用频率窗口检测器（371,373,375）来控制相位频率比较器（31）和充电装置（35）之间的开关装置（33）。当检测到频率合成器输入信号之间的频率差低于预定值时，相位频率检测器（31）与所述充电装置（35）断开，之后所述压控振荡器（VC03）仅由 AFC信号。

4. 发明申请

WO1995006359A1 PLL SYSTEM 审中-公开
标题翻译： PLL系统
公开(公告)号：WO1995006359A1
公开(公告)日：1995-03-02
申请号：PCT/DE1994001007
申请日：1994-08-29
申请人： H.U.C. ELEKTRONIK GMBH , HANSEN, Jens
发明人： H.U.C. ELEKTRONIK GMBH
IPC分类号： H03L07/23
CPC分类号： H03J5/0272 , H03L7/107 , H03L7/23
摘要： The invention concerns a phase-locked loop (PLL) system, in particular a PLL system for the generation of the combination frequency for the frequency-conversion stage of an FM receiver. Series-connected to a first PLL circuit with a reference or output signal with a first, low, frequency is a second PLL circuit with a reference or output signal with a second, higher, frequency, the output signal of the first PLL circuit being fed as input to the second PLL circuit. The ratio of the output signal of the first PLL circuit to its reference signal is determined by a first frequency divider which produces, from this output signal, a signal for the phase-comparison switching of the first PLL circuit, whose frequency is decreased by an amount corresponding to the ratio determined by the first frequency divider. The ratio of the output signal of the second PLL circuit to its reference signal is determined by a second frequency divider which produces, from this output signal, a signal for the phase-comparison switching of the second PLL circuit, whose frequency is decreased by an amount corresponding to the ratio determined by the second frequency divider.
摘要翻译： PLL的系统，特别是用于产生所述混合频率的FM接收机中，混频器，其特征在于具有较低的第一频率的基准或输出信号的第一PLL电路，其具有一第二高的基准或输出信号的第二PLL电路频率下游连接，其与所述第一PLL电路作为输入信号的输出信号供给; 第一PLL电路的输出信号的比率被确定为是由从该输出信号a Vegleichssignal用于第一PLL电路的相位比较器，其在频率由第一分频器和之比的分压比降低产生第一分频器其基准信号所述第二PLL电路的输出信号被确定为是由从该输出信号，对于第二PLL电路，其在频率由第二分频器的分频比减小的相位比较器的比较信号产生第二分频其基准信号。

5. 发明申请

WO2017016579A1 A COMMUNICATION APPARATUS AND METHOD 审中-公开
标题翻译：通信装置和方法
公开(公告)号：WO2017016579A1
公开(公告)日：2017-02-02
申请号：PCT/EP2015/067074
申请日：2015-07-24
申请人： HUAWEI TECHNOLOGIES CO., LTD. , NUYTS, Pieter , VANDENAMEELE, Patrick , CORNELISSENS, Koen
发明人： NUYTS, Pieter , VANDENAMEELE, Patrick , CORNELISSENS, Koen
IPC分类号： H04B1/00 , H04B1/12
CPC分类号： H04B1/0039 , H03J5/0272 , H03L7/185 , H04B1/0028 , H04B1/005 , H04B1/126
摘要： The invention relates to a communication apparatus (100) comprising: a first mixer (101) configured to generate an analog output signal X OUT from an analog input signal X IN using a first mixing signal, the first mixer (101) comprising a scaler (110) being configured to sample the analog input signal X IN at a plurality of discrete points in time k with a first sampling frequency f S,1 to obtain a sampled analog input signal X IN [k] having a continuous signal value, and to generate the analog output signal X OUT having a continuous signal value by scaling the sampled analog input signal X IN [k] on the basis of a plurality of scaling coefficients A[k], wherein the scaling coefficients A[k] are a time-discrete representation of the first mixing signal; a second mixer (101') configured to generate an analog output signal Y OUT from an analog input signal Y IN using a second mixing signal, the second mixer (101') comprising a scaler (110') being configured to sample the analog input signal Y IN at a plurality of discrete points in time k with a second sampling frequency f S,2 to obtain a sampled analog input signal Y IN [k] having a continuous signal value, and to generate the analog output signal Y OUT having a continuous signal value by scaling the sampled analog input signal Y IN [k] on the basis of a plurality of scaling coefficients B[k], wherein the scaling coefficients B[k] are a time-discrete representation of the second mixing signal; and a local oscillator (150) configured to provide a reference frequency f REF , wherein the first mixer (101) is configured to derive the first sampling frequency f S,1 from the reference frequency f REF and wherein the second mixer is configured to derive the second sampling frequency f S,2 from the reference frequency f REF .
摘要翻译：本发明涉及通信设备（100），包括：第一混频器（101），被配置为使用第一混频信号从模拟输入信号XIN生成模拟输出信号XOUT，第一混频器（101）包括缩放器（110）被配置为在时间k中的多个离散点以第一采样频率fS，1采样模拟输入信号XIN，以获得具有连续信号值的采样模拟输入信号XIN [k]，并产生模拟输出信号 XOUT具有连续信号值，通过基于多个缩放系数A [k]缩放采样的模拟输入信号XIN [k]，其中缩放系数A [k]是第一混合信号的时间离散表示 ; 配置为使用第二混合信号从模拟输入信号YIN生成模拟输出信号YOUT的第二混频器（101'），所述第二混频器（101'）包括缩放器（110'），其被配置为对模拟输入信号YIN 在具有第二采样频率fS的时间k的多个离散点处获得具有连续信号值的采样模拟输入信号YIN [k]，并且通过缩放连续信号值来生成具有连续信号值的模拟输出信号YOUT 基于多个缩放系数B [k]，采样模拟输入信号YIN [k]，其中缩放系数B [k]是第二混合信号的时间离散表示; 以及被配置为提供参考频率fREF的本地振荡器（150），其中所述第一混频器（101）被配置为从所述参考频率fREF导出所述第一采样频率fS，1，并且其中所述第二混频器被配置为导出所述第二采样频率fS，2从参考频率fREF。

6. 发明申请

WO02025811A1 COMPONENT HAVING AN ACOUSTICALLY ACTIVE MATERIAL 审中-公开
标题翻译：声学活性材料部件
公开(公告)号：WO02025811A1
公开(公告)日：2002-03-28
申请号：PCT/DE2001/003648
申请日：2001-09-20
IPC分类号： G06K19/16 , H03H3/04 , H03H9/64 , H03J3/08 , H03J3/28 , H03J5/02 , H03L7/18
CPC分类号： H03L7/18 , H03H3/04 , H03H9/6403 , H03H2009/02196 , H03J3/08 , H03J3/28 , H03J5/0272 , H03L7/0805
摘要： The invention relates to a component having an acoustically active material, whose acoustic constants can be at least partially altered. The acoustically active material is located at least partially at a phase transition point and/or in the vicinity of a phase transition point.
摘要翻译：本发明涉及一种具有声学活性材料，其声学常数至少部分地修改的装置。声学活性材料位于在相变点至少部分地和/或在相变点的附近。

7. 发明申请

WO03001692A2 LOW LEAKAGE LOCAL OSCILLATOR SYSTEM 审中-公开
标题翻译：低渗漏本地振荡器系统
公开(公告)号：WO03001692A2
公开(公告)日：2003-01-03
申请号：PCT/EP0206073
申请日：2002-06-03
申请人： MOTOROLA INC , KHLAT NADIM
发明人： KHLAT NADIM
IPC分类号： H03L7/197 , H03D7/16 , H03J5/02 , H03J7/06 , H04B1/30 , H04L27/36 , H04L27/38
CPC分类号： H03D7/165 , H03J5/0272 , H03J7/065 , H03L7/1974 , H04B1/30
摘要： Local oscillator apparatus comprising communication signal terminals (LNA IN, LNA INX; RF OUT,RF OUTN) for a communication signal, especially in a receiver or a transmitter, and a controlled frequency oscillator (204; 404) for producing a local oscillator signal. The local oscillator also includes a reference frequency generator (210; 410) and a feedback loop (208;408) for selecting and adjusting the frequency (fVCO) of the local oscillator signal relative to the frequency (fxtal) of said reference frequency signal. A first frequency divider (205; 405) divides the frequency of the local oscillatr signal by a first division factor (M) to produce a conversion signal, where the frequency (FILO) of said conversion signal is at least approximately equal to the frequency (fRF) of the communication signal, and conversion means (202,203; 402, 403) responsive to the conversion signal converts between said communication signal and a base-band signal. A second frequency divider (206;406) divides the frequency of the local oscillator signal by a second division factor (N) and is connected in the feedback loop, where the first division factor (N) is different to the second division factor (M) and the ratios between said first and second division factors (M/N, N/M) are fractional.
摘要翻译：本地振荡器装置包括用于通信信号（尤其是在接收器或发射器中）的通信信号端子（LNA IN，LNA INX; RF OUT，RF OUTN）以及用于产生本地振荡器信号的受控频率振荡器（204; 404）。本地振荡器还包括用于选择和调整本地振荡器信号的频率（fVCO）相对于所述参考频率信号的频率（fxtal）的参考频率发生器（210; 410）和反馈环路（208; 408）。第一分频器（205; 405）将本地振荡信号的频率除以第一分频因子（M）以产生转换信号，其中所述转换信号的频率（FILO）至少近似等于频率 fRF），并且响应于转换信号的转换装置（202,203; 402,403）在所述通信信号与基带信号之间进行转换。第二分频器（206; 406）将本地振荡器信号的频率除以第二分频因子（N）并连接在反馈回路中，其中第一分频因子（N）不同于第二分频因子（M ）并且所述第一和第二除法因子（M / N，N / M）之间的比率是分数的。

8. 发明申请

WO02025813A1 RESONATOR CONFIGURATION 审中-公开
标题翻译：谐振器
公开(公告)号：WO02025813A1
公开(公告)日：2002-03-28
申请号：PCT/DE2001/003642
申请日：2001-09-20
IPC分类号： G06K19/16 , H03J3/08 , H03J3/28 , H03J5/02 , H03L7/18
CPC分类号： G06K19/16 , H03J3/08 , H03J3/28 , H03J5/0272 , H03L7/0805 , H03L7/18
摘要： The invention relates to a resonator configuration and to a resonator tuning method. Said resonator configuration comprises at least one tunable reference resonator, means for tuning the reference resonator to a reference value by using a controlled variable for the reference resonator, at least one tunable circuit resonator, and means for tuning the circuit resonator. The means for tuning the circuit resonator are provided as to permit the controlled variable for the reference resonator to be used as a measure for tuning the circuit resonator.
摘要翻译：本发明涉及一种谐振器和用于谐振腔调谐的方法的至少一个可调谐基准谐振器的装置，用于通过用于Referenzersonator受控变量的手段调谐参考谐振器与参考值，至少一个可调谐电路谐振器的装置，以及用于调谐电路。用于调谐电路的装置被设计成使得控制变量适用于参考谐振器作为用于调谐电路的量度。

9. 发明申请

WO00038323A1 FREQUENCY SYNTHESIZER MODULE FOR DUAL BAND RADIO 审中-公开
标题翻译：双频无线电频率合成模块
公开(公告)号：WO00038323A1
公开(公告)日：2000-06-29
申请号：PCT/US1999/030062
申请日：1999-12-16
IPC分类号： H03J5/02 , H03L1/02 , H03L7/099 , H03L7/18 , H03L7/197 , H04B1/28 , H04B1/40 , G01J5/00 , H03L7/00 , H03L7/06 , H03L7/16 , H04B1/06
CPC分类号： H04B1/005 , H03J5/0272 , H03L1/025 , H03L7/099 , H03L7/18 , H03L7/1974 , H04B1/28 , H04B1/406
摘要： A frequency synthesizer module with temperature compensation of a crystal oscillator circuit (12) frequency controlled by a varactor (14). A module memory (18) contains information characterizing a temperature dependency of a crystal (10) which is applied to the varactor (14) to temperature compensate the crystal (10) in response to a temperature sensor signal. The module includes at least one locked loop circuit (22) including a loop filter (24), at least one associated frequency divider, and a switchable dual band voltage controlled oscillator (26). The crystal oscillator (12) is coupled to the at least one locked loop circuit (22) and the frequency of the crystal (10) is controlled by the memory (18) via the varactor (14) such that a temperature compensated output frequency (28) is provided by the module.
摘要翻译：一种频率合成器模块，其具有由变容二极管（14）控制的晶体振荡器电路（12）的温度补偿。模块存储器（18）包含表征施加到变容二极管（14）的晶体（10）的温度依赖性的信息，以响应于温度传感器信号对晶体（10）进行温度补偿。该模块包括至少一个包括环路滤波器（24），至少一个相关联的分频器和可切换双频带电压控制振荡器（26）的锁定环路（22）。晶体振荡器（12）耦合到至少一个锁定环路（22），晶体（10）的频率经由变容二极管（14）由存储器（18）控制，使得温度补偿输出频率 28）由模块提供。

10. 发明申请

WO1989007865A1 BANDSWITCHING A TWO-WAY RADIO HAVING A PLL 审中-公开
标题翻译： BANDDS WING一个两路无线电有一个PLL
公开(公告)号：WO1989007865A1
公开(公告)日：1989-08-24
申请号：PCT/US1989000032
申请日：1989-01-05
申请人： MOTOROLA, INC.
发明人： MOTOROLA, INC. , HANSEN, Kenneth, Adolph , ENDERBY, Ralph, Thomas
IPC分类号： H04B01/16
CPC分类号： H03C3/0966 , H03C3/0941 , H03C3/0958 , H03J5/0272 , H03J5/242 , H04B1/16
摘要： A method and arrangement for electronically bandswitching a radio (100) is described which includes at least a receiver (110, 111), a PLL (120), and a fully synchronized, programmable counter as a frequency divider (140) that is coupled between the receiver and the PLL. The PLL includes at least a reference signal generator (121, 122), a phase detector (124), and a voltage controlled oscillator (127) having an output (129) coupled, via a feedback path, to a second input (131) of the phase detector (124). The fully synchronized, programmable frequency divider (140) is configured and arranged to provide an output signal (143) having a duty cycle, nearly equal to 50 %, which is independent of a divisor and which simplifies the filtering requirements thereafter, thereby providing electronic bandswitching for the radio while exhibiting fast-locking and low-noise characteristics.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式