CMOS active inductor circuit for amplifier

A memory interface device, comprising:

• a receiver configured to receive an input signal and comprising:
• a first amplifier comprising:
• a first input transistor configured to receive the input signal;
• and
• a first active inductor circuit of one or more active inductor circuits, each active inductor circuit comprising:
• a first transistor having:
• a first terminal connected to a first voltage level;
• a second terminal connected to a first output, the input transistor, and a resistor, and
• a gate terminal;
• and
• a second transistor having:
• a first terminal connected to the first voltage level,
• a second terminal connected to a first current source and the gate terminal of the first transistor, and
• a gate terminal connected to the resistor, and to a capacitor connected to a second voltage level;
• a second amplifier comprising a second active inductor circuit of the one or more active inductor circuits, wherein the second amplifier is connected to the first output of the first amplifier;
• a third amplifier comprising a third active inductor circuit of the one or more active inductor circuits, wherein the third amplifier is connected to the first output of the second amplifier;
• and
• one or more samplers connected to the output of the third amplifier and configured to output an output signal.

A method of implementing an active inductor circuit, comprising:

• connecting a first terminal of a first metal-oxide-semiconductor (MOS) transistor to a first voltage level;
• connecting a second terminal of the first MOS transistor to a resistor;
• connecting a first terminal of a second MOS transistor to the first voltage level;
• connecting a second terminal of the second MOS transistor to a first current source and a gate terminal of the first MOS transistor;
• connecting a gate terminal of the second MOS transistor to the resistor, and to a capacitor connected to a second voltage level,
• wherein one of the first MOS transistor and the second MOS transistor is a p-channel MOS (PMOS) transistor, and another of the first MOS transistor and the second MOS transistor is a n-channel MOS (NMOS) transistor.