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Power supply regulating device

A technology for power supply regulation and power supply circuit, which is applied in the direction of adjusting electrical variables, control/regulating systems, instruments, etc., and can solve problems such as inability to accurately reflect the stability of power supply circuits and different ripples.

Active Publication Date: 2015-06-03
上海德朗能新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for different power supply circuits, the output signals are different, and the allowable ripple is also different. If different power supply circuits use 50mV RF power supply, the test results obtained cannot accurately reflect the stability of the power supply circuit.

Method used

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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and preferred embodiment the present invention is described in further detail:

[0014] Please refer to figure 1 , The power regulating device 100 of the present invention is connected between a power supply circuit 200 and a loop test device 300, and the loop test device 300 is connected to the power supply circuit 200 to test the stability of the output voltage of the power supply circuit 200 . A preferred embodiment of the power regulating device 100 includes a sampling circuit 10 , a control circuit 20 and a display circuit 30 .

[0015] The sampling circuit 10 is connected to the output terminal OUT of the power supply circuit 200 to collect the voltage signal output by the output terminal OUT of the power supply circuit 200 . Please refer to figure 2 , in this embodiment, the sampling circuit 10 is a differential amplifier circuit, including three amplifiers Q1-Q3, resistors R1-R11 and capacitors C1-C7. The non-i...

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PUM

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Abstract

The invention discloses a power supply regulating device which is connected between a power supply circuit and a loop test device. The power supply regulating circuit comprises a sampling circuit and a control circuit, wherein the sampling circuit is connected with the output end of the power supply circuit to collect the output voltage of the power supply circuit and to output the collected voltage. The control circuit comprises a single-chip microcomputer which is connected with the output end of the sampling circuit in order to receive the output voltage of the sampling circuit, and a radio frequency power supply in the loop test device is regulated by the single-chip microcomputer according to the received output voltage, so that the voltage of the radio frequency power supply matches with the output voltage on the output end of the power supply circuit and the accuracy of the test results of the loop test device is ensured.

Description

technical field [0001] The invention relates to a power regulating device. Background technique [0002] When performing a loop test on the power supply circuit, usually the RF power in the loop test equipment is set to 50mV, which is used to test the stability of the output voltage of the power supply circuit. However, for different power supply circuits, the output signals are different, and the allowable ripple is also different. If different power supply circuits use 50mV RF power supply, the test results obtained cannot accurately reflect the stability of the power supply circuit. Contents of the invention [0003] In view of the above, it is necessary to provide a power regulating device to set the radio frequency power in the loop test equipment according to the output voltage of the power supply circuit. [0004] A power regulating device, connected between a power supply circuit and a loop testing device, comprising: [0005] A sampling circuit, connected to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/56
Inventor 白云陈鹏童松林
Owner 上海德朗能新能源有限公司