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Apparatuses and methods for compensating for crosstalk noise at input receiver circuits

專(zhuān)利號(hào)
US12160231B2
公開(kāi)日期
2024-12-03
申請(qǐng)人
Lodestar Licensing Group LLC
發(fā)明人
Raghukiran Sreeramaneni; Daniel B. Penney
IPC分類(lèi)
H03K5/00; G11C11/4093; H03K5/01; H03K5/1252; H03K17/687
技術(shù)領(lǐng)域
signal,input,ch0,crosstalk,var,may,circuit,idref,ch1,receiver
地域: IL IL Evanston

摘要

An input receiver circuit for a signal line may receive inputs from other signal lines to mitigate crosstalk noise present on the signal line. In some examples, the input receiver circuit may include a transistor with a programmable width. In some examples, the input receiver circuit may include a bias current generator with a programmable current. The width and/or current may be programmed based on an amount of crosstalk noise introduced by the other signal line. In some examples, the input receiver circuit may include a resistance and/or a capacitance. In some examples the resistor and/or capacitor may be programmable. The resistance and/or capacitance may be programmed based on a duration of the crosstalk noise on the signal line.

說(shuō)明書(shū)

FIG. 10 is a circuit diagram of at least a portion of an input receiver circuit according to an embodiment of the present disclosure. In some embodiments, the input receiver circuit 1000 may be included in input receiver circuit 310. In some embodiments, the input receiver circuit 1000 may be used to implement input receiver circuit 500. The input receiver circuit 1000 may include a differential pair circuit 1007 including transistor 1002 on an input side and transistor 1006 on a reference side. A node of transistor 1002 and a node of transistor 1006 may be coupled to a load device 1001 of the input receiver circuit 1000. The load device 1001 may include one or more resistors, latches, transistors, and/or other devices. The load device 701 may provide an output signal OUT. In some examples, the output signal OUT may have a voltage level indicating a logic level, similar to the output signals OUT0-OUTn shown in FIG. 3. In other examples, the output signal OUT may be provided to other components of the input receiver circuit 1000 not shown that generate an output signal indicative of a logic level.

權(quán)利要求

1
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