Voltage regulating circuit
A voltage adjustment circuit and voltage source technology, applied in the field of circuits, can solve the problems of high power consumption and low efficiency of the voltage boosting circuit, and achieve the effects of improving efficiency, reducing volume and reducing power consumption
Active Publication Date: 2012-09-05
HUAWEI TECH CO LTD
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Problems solved by technology
[0005] An embodiment of the present invention provides a voltage adjustment circuit to solve the problems of low efficiency and high power consumption of the voltage boosting circuit in the prior art
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[0018] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, each of the following embodiments is only a part of the present invention. Based on the following embodiments of the present invention, even if those skilled in the art do not make creative work, they can obtain other technical features that can solve the technical problems of the present invention and realize the technical effects of the present invention by equivalently transforming some or even all of the technical features. Embodiments, and these transformed embodiments obviously do not depart from the disclosed scope of the present invention.
[0019] figure 1 A schematic structural diagram of a voltage adjustment circuit provided for an embodiment of the present invention, such as figu...
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The embodiment of the invention provides a voltage regulating circuit. The voltage regulating circuit comprises a main circuit unit, a voltage boosting unit and a switching control unit, wherein the main circuit unit is used for outputting a first voltage signal of which a voltage value is equal to that of a voltage source according to an input signal of the voltage source; the voltage boosting unit is used for outputting a second voltage signal according to the input signal, and the second voltage signal is used for forming an output signal of the voltage regulating circuit by connecting with the first voltage signal in series; and the switching control unit is used for comparing the value of the first voltage signal with the value of a preset first reference voltage, and when the value of the first voltage signal is more than or equal to that of the first reference voltage, the second voltage signal output by the voltage boosting unit is controlled to be zero. The voltage regulating circuit can solve the problems of low efficiency and high power consumption of a voltage boosting circuit in the prior art.
Description
technical field [0001] Embodiments of the present invention relate to circuit technology, and in particular to a voltage adjustment circuit. Background technique [0002] With the advent of the convergence technology of the three networks (telecom network, cable TV network, and Internet), the broadband of the mobile MBB (Modular Building Block, MBB for short) is getting wider and wider, which leads to the doubling of the power of the Radio Remote Unit (RRU for short). Increasing power results in larger and larger cable diameters. In addition, in relatively distant outdoor tower stations, outdoor roof stations, or places with relatively large indoor coverage, RRU is required to have the ability to extend the distance. At this time, the diameter of the RRU cable is relatively thick, which increases the cost of the RRU solution. Larger terminals, thicker cabinet and power distribution box outlets require more space, and additional adapter parts are required, which is not condu...
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Login to View More IPC IPC(8): H02M3/335
CPCH02M3/3353H02M3/3376H02M1/0048H02M1/0093Y02B70/10
Inventor 蒙永民肖志明唐倬
Owner HUAWEI TECH CO LTD