US 2022/0286120 A1 · Channel loss compensation circuit

Abstract

A channel loss compensation circuit utilized in a receiving end of an electronic device includes a load, first and second transistors, first and second current sources, an adjustable capacitor, and an adjustable resistor. The first transistor has a first, second, and third terminals. The first terminal receives an input signal, and the second terminal is coupled to a power supply voltage through the load. The second transistor has a fourth, fifth terminal, and sixth terminals. The fourth terminal receives the input signal, and the fifth terminal is coupled to the power supply voltage through the load. The first current source is coupled between the third terminal and a reference voltage. The second current source is coupled between the sixth terminal and the reference voltage. The adjustable capacitor and the adjustable resistor are coupled between the third terminal and the sixth terminal.

Claims13

Dependent claims

A channel loss compensation circuit utilized in a receiving end of an electronic device, comprising:

a load;
a first transistor having a first terminal, a second terminal, and a third terminal, wherein the first terminal receives an input signal, and the second terminal is coupled to a power supply voltage through the load;
a second transistor having a fourth terminal, a fifth terminal, and a sixth terminal, wherein the fourth terminal receives the input signal, and the fifth terminal is coupled to the power supply voltage through the load;
a first current source, coupled between the third terminal and a reference voltage;
a second current source, coupled between the sixth terminal and the reference voltage;
an adjustable capacitor, coupled between the third terminal and the sixth terminal;
and
an adjustable resistor, coupled between the third terminal and the sixth terminal.

5 more elements

A channel loss compensation circuit utilized in a receiving end of an electronic device, comprising:

a load;
a first transistor having a first terminal, a second terminal, and a third terminal, wherein the first terminal receives an input signal, and the second terminal is coupled to a power supply voltage through the load;
a second transistor having a fourth terminal, a fifth terminal, and a sixth terminal, wherein the fourth terminal receives the input signal, and the fifth terminal is coupled to the power supply voltage through the load;
a first current source, coupled between the third terminal and a reference voltage;
a second current source, coupled between the sixth terminal and the reference voltage;
a capacitor array, coupled between the third terminal and the sixth terminal and comprising a plurality of capacitors and a plurality of first switches;
and
a resistor array, coupled between the third terminal and the sixth terminal and comprising a plurality of resistors and a plurality of second switches;
wherein an equivalent capacitance of the capacitor array is related to the number of the first switches that are turned on, and an equivalent resistance of the resistor array is related to the number of the second switches that are turned on.

6 more elements

Dependencies are inferred from the claim text.

Channel loss compensation circuit

Life of this patent

Channel loss compensation circuit

Life of this patent

Abstract

Claims13