Novel adjustable amplitude equalizer
An equalizer and amplitude modulation technology, which is applied in the control/equalization of transmission, electrical components, transmission system, etc., can solve the problems of no dynamic adjustment characteristics, large weight and volume, and unfavorable system integration, and achieves light weight and volume. Small, satisfying the effect of wide frequency band
Active Publication Date: 2020-09-22
天津中科海高微波技术有限公司
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Problems solved by technology
[0003] Traditional equalizers are constructed using waveguides or coaxial cables, which are suitable for high-power and high-frequency applications, but they are heavy and bulky, which is not conducive to system integration
Moreover, in the broadband receiving system, the flatness characteristic of the amplitude is also closely related to the dynamic design requirements. Currently, the commonly used amplitude equalizers are all fixed equalizers, which do not have dynamic adjustable characteristics.
Method used
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[0013] Such as figure 1 As shown, a new type of adjustable amplitude equalizer is realized by a GaAs single chip, and the switching of two different equalization quantities is realized through the control of the switch tube M1 and the switch tube M2. Including switching tube M1, switching tube M2, capacitor C1, capacitor C2, inductor L1, inductor L2, absorbing resistor R1, absorbing resistor R2, absorbing resistor R3, absorbing resistor R4, isolation resistor RR1 and isolation resistor RR2. Wherein the inductor L1 is connected in parallel with the capacitor C1, one end of the parallel part is connected to the ground and the other end is connected in series with the absorbing resistor R3; one end of the absorbing resistor R1 is connected to one end of the absorbing resistor R2 in turn, and the middle connection point is connected to the connecting absorbing resistor R3 The other end: the inductance L2 and the capacitor C2 are connected in series, and the other two ends of the s...
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The invention relates to the technical field of integrated circuits, in particular to a novel adjustable amplitude equalizer which comprises a switching tube M1, a switching tube M2, a capacitor C1, acapacitor C2, an inductor L1, an inductor L2, an absorption resistor R1, an absorption resistor R2, an absorption resistor R3, an absorption resistor R4, an isolation resistor RR1 and an isolation resistor RR2. The novel adjustable amplitude equalizer is realized by adopting a gallium arsenide single chip mode, meets the requirement of broadband, and has the characteristics of the small volume, the light weight, good stability, the simple structure, easiness in integration with a system and the like. Moreover, the switching of two equalization quantities can be realized in one chip through the control of a switching tube, thereby facilitating the dynamic regulation and control of a system or a module.
Description
technical field [0001] The invention relates to the technical field of integrated circuits, in particular to a novel adjustable amplitude equalizer. Background technique [0002] In microwave radio frequency circuits, various broadband microwave devices or modules, such as transmitting and receiving modules, power amplifiers, and millimeter wave power modules, have different degrees of amplitude and phase unevenness. and standing waves, the output waveform will be greatly affected within the entire bandwidth. The amplitude equalizer plays an important role in the transmitting and receiving ends of the radar or various new power components, and can be used to improve the amplitude-frequency characteristics and phase-frequency characteristics of the transmission channel. [0003] Traditional equalizers are constructed using waveguides or coaxial cables, which are suitable for high-power and high-frequency applications, but they are heavy and bulky, which is not conducive to s...
Claims
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IPC IPC(8): H04B1/40H04B7/005
CPCH04B1/40H04B7/005
Inventor 全金海李慧超陈普锋黄华
Owner 天津中科海高微波技术有限公司