Millimeter wave reconfigurable frequency multiplier circuit and control method thereof

A frequency multiplier and millimeter wave technology, which is applied in the field of millimeter wave reconfigurable frequency multiplier circuits, can solve the problems of restricting the research and development and application of millimeter wave circuit systems, and cannot realize multiple frequency multiplication selection and output, so as to improve stability performance, increase gain, and reduce frequency

Active Publication Date: 2022-03-08
HANGZHOU DIANZI UNIV
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Problems solved by technology

[0004] Now there are many designs of millimeter-wave frequency multiplier circuits, but conventional millimeter-wave frequency multiplier circuits can only achieve a certain frequency multiplier output of the input signal , cannot realize the selection and output of multiple multipliers
This limitation greatly limits the development and application of some millimeter wave circuit systems such as millimeter wave dual-band transceivers

Method used

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  • Millimeter wave reconfigurable frequency multiplier circuit and control method thereof

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as figure 1 As shown, a millimeter-wave reconfigurable frequency multiplier circuit includes an input matching network, an amplifier transistor, a frequency-doubler transistor, a frequency-triple transistor, capacitors, resistors, and an output reconfigurable matching network.

[0024] The input matching network is composed of a transformer 1, one end of the primary coil of the transformer 1 is connected to the local oscillator signal source, the other end is grounded, and the two ends of the secondary coil are respectively connected to the gate of the amplifier transistor 2 and the amplifier transistor 3 The gate of the secondary coil is connected, and the center tap of the secondary coil is connected with a DC voltage source to provi...

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Abstract

The invention discloses a millimeter wave reconfigurable frequency multiplier circuit and a control method thereof. A conventional millimeter wave frequency multiplier circuit can only realize certain frequency multiplication output of an input signal and cannot realize selection and output of a plurality of frequency multiplication frequencies. The millimeter wave reconfigurable frequency multiplier circuit comprises an input matching network based on a transformer, an amplification stage transistor, a frequency doubling transistor, a frequency tripling transistor, a capacitor, a resistor and an output reconfigurable matching network based on the transformer. The millimeter wave reconfigurable frequency multiplier circuit provided by the invention can realize selection and output of frequency doubling and frequency tripling of input signals and suppression of fundamental waves and other harmonic waves through the matching network and the bias voltage of the control transistor. The millimeter wave reconfigurable frequency multiplier circuit can be applied as a key module in a dual-frequency transceiver.

Description

technical field [0001] The invention belongs to the technical field of frequency multipliers in microwave and millimeter wave chip circuits, and in particular relates to a millimeter wave reconfigurable frequency multiplier circuit that realizes selection and output of different frequency multiplications through a matching network and control transistor bias voltage. Background technique [0002] In recent years, with the rapid development of wireless communication technology and the wide use of various wireless terminals, the demand for larger bandwidth and spectrum resources in high-speed wireless communication technology is increasing day by day. The millimeter wave frequency band has attracted extensive attention from scholars from all walks of life because of its high frequency, wide frequency bandwidth, and fast transmission rate. [0003] For millimeter wave circuits, the signal used to generate millimeter wave signals is very critical and is the basis of millimeter w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03B19/14
CPCH03B19/14Y02D30/70
Inventor 文进才王旭黄小凝
Owner HANGZHOU DIANZI UNIV
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