High-gain broadband millimeter wave differential amplifier

A differential amplifier and millimeter wave technology, which is applied in the direction of differential amplifiers, amplifiers, amplifiers with semiconductor devices/discharge tubes, etc., can solve the problems of gain reduction and low gain of millimeter wave amplifiers, so as to overcome fluctuations and noises and avoid gain Lowering, Higher Gain Effects

Inactive Publication Date: 2018-02-16
曾传德
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Problems solved by technology

[0004] The present invention provides a high-gain broadband millimeter-wave differential amplifier, which solves the problem of low gain of the millimeter-wave amplifier, and at the same time solves the technical problem that the traditional broadband amplifier adopts the form of feedback to reduce the gain, and realizes the high gain of the millimeter-wave differential amplifier. The technical effect of wide bandwidth

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  • High-gain broadband millimeter wave differential amplifier
  • High-gain broadband millimeter wave differential amplifier
  • High-gain broadband millimeter wave differential amplifier

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Embodiment Construction

[0021] The present invention provides a high-gain broadband millimeter-wave differential amplifier, which solves the problem of low gain of the millimeter-wave amplifier, and at the same time solves the technical problem that the traditional broadband amplifier adopts the form of feedback to reduce the gain, and realizes the high gain of the millimeter-wave differential amplifier. The technical effect of wide bandwidth.

[0022] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, under the condition of not conflicting with each other, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0023] In the following description, many specific details are set forth in order to fully understand the presen...

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Abstract

The invention discloses a high-gain broadband millimeter-wave differential amplifier. The differential amplifier includes: an input broadband balun, an input matching network, a four-stage differential cascode amplifier, an interstage matching network, an output matching network, and an output broadband balun. It solves the problem of low gain of the millimeter-wave amplifier, and at the same time solves the technical problem that the traditional broadband amplifier adopts the form of feedback to reduce the gain, and realizes the technical effect of high-gain and wide-bandwidth of the millimeter-wave differential amplifier.

Description

technical field [0001] The present invention relates to the field of millimeter-wave integrated circuits, in particular to a high-gain broadband millimeter-wave differential amplifier. Background technique [0002] With the continuous improvement of channel capacity and transmission rate of communication systems, spectrum resources in low-frequency working frequency bands are increasingly scarce. The millimeter wave frequency band (30-300GHz) has been widely used in the industry due to its high operating frequency, rich spectrum resources, and high signal transmission quality. s concern. In order to meet the communication requirements of high speed, high channel capacity and high signal-to-noise ratio in the communication system, a millimeter-wave amplifier with high gain and broadband is essential. [0003] When the operating frequency is higher than 100GHz, the operating frequency gradually approaches the cut-off frequency of the transistor, so the gain of the single-stag...

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Application Information

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IPC IPC(8): H03F3/45
CPCH03F3/45071
Inventor 曾传德
Owner 曾传德
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