公开(公告)号：US08699559B2

公开(公告)日：2014-04-15

申请号：US13772872

申请日：2013-02-21

Applicant: STMicroelectronics S.R.L.

Inventor： Simone Erba ,  Massimo Pozzoni

IPC: H04B1/38

CPC classification number: H04L25/03885 ,  H04L25/03063 ,  H04L25/0307 ,  H04L2025/03356 ,  H04L2025/03579

Abstract: A decision feedback equalizer includes a correction circuit to correct a sampled value of an incoming bit based on intersymbol interference of at least one preceding bit, and to generate a received bit. The correction circuit includes a first multiplexer and a first pair of latches coupled thereto. The first multiplexer is controlled by a clock signal to generate a digital level representative of a sign of a first correction coefficient to be subtracted from the sampled value of the incoming bit for deleting the intersymbol interference. The first pair of latches receives as input the received bit and is clocked in phase opposition by the clock signal to generate respective latched replicas of the received bit during respective active phases of the clock signal. The respective latched replicas are input to the first multiplexer.

Abstract translation: 判决反馈均衡器包括校正电路，用于基于至少一个先前位的符号间干扰来校正输入位的采样值，并产生接收位。 校正电路包括第一多路复用器和耦合到其上的第一对锁存器。 第一多路复用器由时钟信号控制，以产生代表第一校正系数的符号的数字电平，以便从用于删除符号间干扰的输入位的采样值中减去。 第一对锁存器作为输入接收接收的位，并且通过时钟信号相位对准时钟，以在时钟信号的相应有效相位期间产生接收位的相应锁存副本。 相应的锁存副本被输入到第一多路复用器。

公开(公告)号：US09444438B2

公开(公告)日：2016-09-13

申请号：US14298559

申请日：2014-06-06

Applicant: STMicroelectronics S.r.l.

Inventor： Emanuele Depaoli ,  Giovanni Steffan ,  Massimo Pozzoni ,  Simone Erba ,  Enrico Monaco

IPC: H03B19/00 ,  H03K5/00 ,  H03B5/12 ,  H03B25/00

CPC classification number: H03K5/00006 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/124 ,  H03B25/00 ,  H03B2200/0074

Abstract: A frequency doubling device suitable to generate an output terminal voltage oscillating at a differential frequency double the frequency of the input differential voltage, includes a first differential pair of P-type transistors and a second differential pair of N-type transistors controlled by the differential input voltage, as well as an LC oscillator including a LC resonant dipole through which the absorbed current is forced by two differential pairs of transistors.

Abstract translation: 适用于产生以差分频率振荡输入差分电压的频率的输出端子电压的倍频装置包括由差分输入端控制的P型晶体管的第一差分对和N型晶体管的第二差分对， 电压以及包括LC谐振偶极子的LC振荡器，吸收的电流通过两个差分对的晶体管被​​迫使。

公开(公告)号：US09444435B1

公开(公告)日：2016-09-13

申请号：US14887487

申请日：2015-10-20

Applicant: STMicroelectronics S.r.l.

Inventor： Enrico Monaco ,  Gabriele Anzalone ,  Simone Erba

IPC: H03K3/03

CPC classification number: H03K3/0322

Abstract: A ring oscillator includes a first delay stage generating a first phase signal and a second delay stage generating a second phase signal. Each of the first and second delay stages includes variable resistance circuit. A phase comparator circuit performs a phase comparison between the first and second phase signals to generate a phase error signal. An amplifier circuit generates a control signal from the phase error signal. A feedback loop applies the control signal to control the resistance of the variable resistance circuits in the first and second delay stages.

Abstract translation: 环形振荡器包括产生第一相位信号的第一延迟级和产生第二相位信号的第二延迟级。 第一和第二延迟级中的每一个包括可变电阻电路。 相位比较器电路执行第一和第二相位信号之间的相位比较，以产生相位误差信号。 放大器电路从相位误差信号产生控制信号。 反馈回路施加控制信号以控制第一和第二延迟级中的可变电阻电路的电阻。

公开(公告)号：US20140361815A1

公开(公告)日：2014-12-11

申请号：US14298559

申请日：2014-06-06

Applicant: STMicroelectronics S.r.l.

Inventor： Emanuele Depaoli ,  Giovanni Steffan ,  Massimo Pozzoni ,  Simone Erba ,  Enrico Monaco

IPC: H03K5/00

CPC classification number: H03K5/00006 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/124 ,  H03B25/00 ,  H03B2200/0074

Abstract: A frequency doubling device suitable to generate an output terminal voltage oscillating at a differential frequency double the frequency of the input differential voltage, includes a first differential pair of P-type transistors and a second differential pair of N-type transistors controlled by the differential input voltage, as well as an LC oscillator including a LC resonant dipole through which the absorbed current is forced by two differential pairs of transistors.

Abstract translation: 适用于产生以差分频率振荡输入差分电压的频率的输出端子电压的倍频装置包括由差分输入端控制的P型晶体管的第一差分对和N型晶体管的第二差分对， 电压以及包括LC谐振偶极子的LC振荡器，吸收的电流通过两个差分对的晶体管被​​迫使。