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US 9,438,176 B2Granted
Low noise amplifier
AssigneeIndustry-Academic Cooperation Foundation, Yonsei University
InventorsJunyoung Jang, Honggul Han, Tae Wook Kim
Life of this patent
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Abstract
Provided is a low noise amplifier. The low noise amplifier includes an input transistor receiving and amplifying a signal, an output transistor amplifying the signal amplified by the input transistor, and an inverting unit inverting the signal which is amplified by the input transistor and applying the inverted signal to a gate of the output transistor.
Claims6
A low noise amplifier comprising:
- an input transistor receiving and amplifying a signal;
- an output transistor amplifying the signal amplified by the input transistor;
- and
- an inverting unit inverting the signal which is amplified by the input transistor, and applying the inverted signal to a gate of the output transistor,
- wherein the input transistor comprises first and second transistors which receive and amplify a differential input signal,
- the output transistor comprises third and fourth transistors which amplify signals amplified by the first and second transistors, and
- the inverting unit comprises an output cross-coupling unit connecting the third transistor to the fourth transistor in a cross-coupled configuration,
- wherein the output cross-coupling unit is configured such that an output terminal of the first transistor is connected to a gate of the fourth transistor through a capacitor, and an output terminal of the second transistor is connected to a gate of the third transistor through a capacitor.
5 more elements
A low noise amplifier comprising:
- an input transistor receiving and amplifying a signal;
- an output transistor amplifying the signal amplified by the input transistor;
- an inverting unit inverting the signal which is amplified by the input transistor, and applying the inverted signal to a gate of the output transistor;
- and
- an input cross-coupling unit,
- wherein the input transistor comprises first and second transistors which receive and amplify a differential input signal,
- the output transistor comprises third and fourth transistors which amplify signals amplified by the first and second transistors, and
- the input cross-coupling unit connects the first transistor and the second transistor to each other in a cross-coupled configuration.
5 more elements
Dependencies are inferred from the claim text.