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    • 1. 发明申请
    • VOLTAGE CONTROLLED OSCILLATOR INCLUDING MUGFETS
    • 电压控制振荡器,包括MUGFETS
    • WO2016099722A1
    • 2016-06-23
    • PCT/US2015/060379
    • 2015-11-12
    • XILINX, INC.
    • BEKELE, Adebabay, M.UPADHYAYA, Parag
    • H03B5/12
    • H03B5/1253H03B5/1215H03B5/1228H03B5/1243H03B5/1265H03B5/1271H03B5/1278H03B5/129H03B2201/0208H03B2201/0266H03B2201/0291H03B2201/031H03B2201/038
    • Voltage-controlled oscillation (100) is described. In an apparatus therefor, an inductor (120) has a tap and has or is coupled to a positive-side output node (105) and a negative side output node (106). The tap is coupled to receive a first current. A coarse grain capacitor array (130) is coupled to the positive-side output node (105) and the negative side output node (106) and is coupled to respectively receive select signals (168). A varactor (140) is coupled to the positive-side output node (105) and the negative side output node (106) and is coupled to receive a control voltage (143). The varactor (140) includes MuGFETs (141, 142). A transconductance cell (150) is coupled to the positive- side output node (105) and the negative side output node (106), and the transconductance cell (150) has a common node (107). A frequency scaled resistor network (160) is coupled to the common node (107) and is coupled to receive the select signals (168) for a resistance for a path for a second current.
    • 描述了压控振荡(100)。 在其装置中,电感器(120)具有抽头并且具有或耦合到正侧输出节点(105)和负侧输出节点(106)。 抽头被耦合以接收第一电流。 粗粒电容器阵列(130)耦合到正侧输出节点(105)和负侧输出节点(106),并被耦合以分别接收选择信号(168)。 变容二极管(140)耦合到正侧输出节点(105)和负侧输出节点(106),并耦合以接收控制电压(143)。 变容二极管(140)包括MuGFET(141,142)。 跨导单元(150)耦合到正侧输出节点(105)和负侧输出节点(106),并且跨导单元(150)具有公共节点(107)。 频率比例电阻器网络(160)耦合到公共节点(107),并被耦合以接收用于第二电流的路径的电阻的选择信号(168)。
    • 5. 发明申请
    • METHOD AND APPARATUS OF A RESONANT OSCILLATOR SEPARATELY DRIVING TWO INDEPENDENT FUNCTIONS
    • 共振振荡器分离驱动两个独立函数的方法和装置
    • WO2013102159A1
    • 2013-07-04
    • PCT/US2012/072215
    • 2012-12-29
    • TENSORCOM, INC.
    • REHMAN, Syed
    • H03L7/099H03B5/08
    • H03B5/1228H03B5/1212H03B5/1243H03B5/1265H03B2200/0062H03L7/18
    • Capacitive adjustment in an RCL resonant circuit is typically performed by adjusting a DC voltage being applied to one side of the capacitor. One side of the capacitor is usually connected to either the output node or the gate of a regenerative circuit in an RCL resonant circuit. The capacitance loading the resonant circuit becomes a function of the DC voltage and the AC sinusoidal signal generated by the resonant circuit. By capacitively coupling both nodes of the capacitor, a DC voltage can control the value of the capacitor over the full swing of the output waveform. In addition, instead of the RCL resonant circuit driving a single differential function loading the outputs, each output drives an independent single ended function; thereby providing two simultaneous operations being determined in place of the one differential function.
    • RCL谐振电路中的电容调整通常通过调整施加到电容器一侧的直流电压来进行。 电容器的一侧通常连接到RCL谐振电路中的再生电路的输出节点或栅极。 谐振电路的电容成为由谐振电路产生的直流电压和交流正弦信号的函数。 通过电容耦合电容器的两个节点,DC电压可以在输出波形的全摆幅时控制电容器的值。 此外,代替RCL谐振电路驱动负载输出的单个差分功能,每个输出驱动独立的单端功能; 从而提供两个同时的操作来代替一个差分功能。