Broadband out-phase MMIC power amplifier and design method thereof
A power amplifier and broadband technology, which is applied in the field of out-of-phase MMIC power amplifiers, can solve the problems of poor radio frequency performance, Si-based millimeter wave wireless communication systems cannot be widely used, and large losses, and achieve compact structure, good economic benefits, and reduced Die Size Effect
Inactive Publication Date: 2021-08-31
HANGZHOU DIANZI UNIV
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Problems solved by technology
[0007] With the increase of the operating frequency of the circuit, especially in the millimeter wave band, the Si-based process highlights the problems of large loss and poor RF performance.
This makes the Si-based millimeter wave wireless communication system unable to be widely used in military and civilian fields.
Method used
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[0035] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0036] figure 1 Shown is the structural representation of a kind of broadband out-of-phase MMIC power amplifier among the present invention, and this power amplifier comprises two-way power amplifying circuits, high-low pass phase-shifting power combining circuit; Wherein each way power amplifying circuit all comprises broadband input matching circuit, RC stabilization circuit, gate bias circuit, drain bias circuit for integrated transistor parasitic compensation, DC blocking capacitor.
[0037] The broadband input matching circuit is constructed using a low-Q Chebyshev step-type broadband matching method, that is, a low-pass filter structure in which series inductors and parallel capacitors of lumped elements are used alt...
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The invention discloses a broadband out-phase MMIC power amplifier and a design method thereof. The power amplifier comprises two power amplification circuits and a high-low pass phase shift power synthesis circuit, wherein each power amplification circuit comprises a broadband input matching circuit, an RC stabilizing circuit, a grid bias circuit, a transistor, a drain bias circuit integrated with transistor parasitic compensation and a blocking capacitor. The broadband out-of-phase MMIC power amplifier works by inputting equal-amplitude out-of-phase signals with different frequencies. According to the broadband out-phase MMIC power amplifier, under the background that the requirement of the broadband power amplifier is sharply increased, the high-low pass phase shifting technology is adopted, the design of the novel broadband out-phase MMIC power amplifier is achieved, and the broadband out-phase MMIC power amplifier has the advantages of being simple and compact in structure, high in practicability and the like.
Description
technical field [0001] The invention relates to the field of radio frequency microwave communication, and proposes an out-of-phase MMIC power amplifier that can work in a wide frequency range. Background technique [0002] In recent years, microwave and millimeter wave communication technologies have become the focus of fierce competition among various countries, and their application fields can radiate to many aspects such as national defense security, military operations, satellite systems, and phased array radars. At present, the spectrum resource in the low frequency band has tended to be saturated, and it is gradually unable to meet the needs of wireless communication development. Therefore, the new generation of communication technology begins to shift to higher frequency bands, such as Ku, K, Ka, etc., to meet the needs of broadband, high speed, and high capacity. As a key component in the communication system, the power amplifier determines the performance of the wh...
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IPC IPC(8): H03F1/02H03F1/56H03F3/195H03F3/21H03F3/213
CPCH03F1/0294H03F1/56H03F3/213H03F3/211H03F3/195H03F2200/451H03F2200/222
Inventor 陈世昌杨旭徐魁文赵鹏王高峰
Owner HANGZHOU DIANZI UNIV