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High-performance hydrogen clock frequency signal distribution amplifier

A technology for distributing amplifiers and frequency signals, which is applied to power amplifiers, amplifiers, and improved amplifiers to reduce the impact of noise. It can solve problems such as large noise, poor use effect, and low isolation, and achieve high measurement accuracy and fast measurement speed. , the effect of maintaining stability

Inactive Publication Date: 2015-03-25
富强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing frequency signal distribution amplifiers have relatively high noise and low isolation, and the use effect is not good.

Method used

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  • High-performance hydrogen clock frequency signal distribution amplifier

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Embodiment Construction

[0011] As shown in the figure, the present invention includes a signal input module, a signal output module, a power supply module and an AD sampling module, and also includes an amplitude display module and an external serial communication interface unit; the signal input module is connected with a power divider through a preamplifier, and the power divider The output end of the device is divided into two paths, respectively through the buffer amplifier and two signal output modules.

[0012] The power divider adopts ZFSCr16r3 type power divider.

[0013] The input signal is sent to the power divider after pre-amplification, and the power divider divides the signal into 12 channels, which are respectively sent to the final buffer and amplified output. In addition, for the convenience of user monitoring, A / D sampling is performed on the front input signal and the output signal amplitude of the final stage, and then sent to the digital monitoring and processing system com...

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PUM

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Abstract

The invention discloses a high-performance hydrogen clock frequency signal distribution amplifier, relating to a signal amplifier and particularly relating to improvement of the high-performance hydrogen clock frequency signal distribution amplifier. The high-performance hydrogen clock frequency signal distribution amplifier has small noise and large insulation. The high-performance hydrogen clock frequency signal distribution amplifier comprises a signal input module, signal output modules, a power module and an analog-digital (AD) sampling module. The amplifier is structurally characterized by also comprising an amplitude display module and an external serial communication interface unit. The signal input module is connected with a power divider through a pre-amplifier, and an output end of the power divider has two circuits, which respectively pass through buffer amplifiers and two signal output modules.

Description

technical field [0001] The present invention relates to a signal amplifier, in particular to the improvement of a high-performance hydrogen clock frequency signal distribution amplifier. Background technique [0002] Frequency signal distribution amplifiers are widely used in time-frequency related fields (such as scientific research, astronomical instruments, national defense, etc.). As the supporting equipment of the hydrogen atomic clock, on the one hand, in order to ensure that the frequency signal (1MHz ~ 10MHz) is transmitted to the user end with low noise, it is required that the insertion loss of its phase noise is less than 3dB, and the isolation is greater than 80dB; The demand for seamless signal switching ensures signal consistency between channels, and requires that its phase consistency between channels is better than 100 ps, ​​and the phase temperature coefficient of the output signal is less than 20 ps / r. When designing the circuit, delay consistency should b...

Claims

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Application Information

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IPC IPC(8): H03F3/20
CPCH03F1/26H03F3/213H03F2200/372
Inventor 富强赖安晏
Owner 富强
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