Frequency Multiplier Based on Mems Broadband Phase Detector and Temperature Compensation Resistor

Abstract

The invention discloses a frequency multiplier based on an MEMS (Micro Electro Mechanical Systems) broadband phase detector and a temperature compensation resistor. The frequency multiplier comprises the MEMS broadband phase detector, a temperature compensation resistor R, a direct-current automatic gain control (AGC) amplifier, a first voltage-controlled oscillator VCO1, a second voltage-controlled oscillator VCO2, a first variable resistor R1, a second variable resistor R2 and a divider. The frequency multiplier has the beneficial effects that the frequency multiplier has a broadband characteristic, and frequency multiplication of reference signals of different frequencies can be realized; synchronous adjustment of the reference signals and feedback signals is realized through control of voltages of the voltage-controlled oscillators and a gain of the direct-current AGC amplifier by the variable resistors, so that frequency multiplication can be realized even in the presence of circuit fluctuation; the frequency multiplier has a temperature compensation characteristic, so that the influence of a temperature change on the state of the frequency multiplier can be eliminated when the temperature change occurs, and temperature stability is realized; and the frequency multiplier has a simple and novel structure, and is convenient to operate and compatible with GaAs monolithic microwave integrated circuits.

Description

technical field [0001] The invention relates to the field of micro-electromechanical systems, in particular to a frequency multiplier based on a MEMS broadband phase detector and a temperature compensation resistor. Background technique [0002] A frequency multiplier is an instrument that uses the principle of feedback control to obtain a frequency signal that is N times the frequency of the reference signal. Frequency multipliers are widely used in many fields, such as wireless communication, radar, and digital television. [0003] In the prior art, most frequency multipliers are for frequency multiplication of a single frequency point, which cannot meet the requirements of broadband communication systems. In addition, temperature stability is also one of the basic requirements for frequency multipliers. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a frequency multiplier based on a MEMS broadband phase dete...

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Problems solved by technology

[0003] In the prior art, frequency multipliers are mostly for single frequency multiplication, which cannot meet the needs of broadband communication systems. In addition, temperature stability is also one of the basic requirements for frequency multipliers

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