Multi-mode non-return-to-zero (NRZ) and orthogonal differential vector signaling (ODVS)
clock and data recovery circuits having configurable sub-channel multi-input comparator …

Methods and systems are described for generating, at a plurality of delay stages of a local
oscillator, a plurality of phases of a local oscillator signal, generating a loop error signal …

Multi-mode non-return-to-zero (NRZ) and orthogonal dif ferential vector signaling (ODVS)
clock and data recovery circuits having configurable sub-channel multi-input com parator …

(57) ABSTRACT A thermometer code generator includes n bit storing stages that are
coupled to each other, where n is an integer greater than 1, and the n bit storing stages store …

In Wireless application there is made use of a quadrature oscillators that generate signals
that are capable of oscillat ing at quadrature of each other. The quadrature oscillator is …

Methods and systems are described for receiving N phases of a local clock signal and M
phases of a reference signal, wherein M is an integer greater than or equal to 1 and N is an …

A CDR circuit for use in an optical receiver is provided that performs automatic rate
negotiation. The CDR circuit is configured to determine whether the incoming data signal …

(57) ABSTRACT A phase comparator is used to test a device under test com prising an
input/output (I/O) circuit by applying a signal to the device under test; extracting a phase …

A phase detection and decision feedback equalization circuit is provided. A first latch and a
second latch are coupled to an input of the circuit. A third latch and a fourth latch are …

Methods and systems are described for receiving a control step input at a binary-to-
thermometer decoder and responsively generating bits of a thermometer codeword …