[Selection] Introduction of DC Converter
Release time: 2019-08-09
The development of many industries in life is inseparable from the DC stabilized power supply . Sometimes some industries have their own brands in the field. Today I will introduce you to Shijiazhuang Shuying Instrument Co., Ltd.
A DC converter is a device that converts direct current of one voltage into direct current of one or more voltages.
There are two types of DC converters: parallel and non-parallel.
1. The parallel DC converter adopts advanced high-frequency pulse width modulation edge resonance technology, which greatly improves the efficiency. It has the characteristics of high voltage stabilization accuracy, strong anti-interference ability, low output noise, fast dynamic response, and wide operating temperature range.
2. The non-parallel DC converter is composed of imported DC-DC modules, which has the advantages of high voltage stabilization accuracy, low output noise, strong anti-interference ability, etc., and is small in size and light in weight.
General DC converters are unidirectional DC, and the introduction of DC converters also uses bidirectional DC converters to work in some occasions.
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The signal generator can be used to find the fault of the receiving channel of the radio or radio. The basic principle is: from the previous stage to the subsequent stage, measure each stage of the amplification and filter in the receiving path one by one to find out which stage of the amplification circuit does not reach the designed amount of amplification or which stage of the filter circuit is too attenuated. The signal generator plays the role of a standard signal source here. The signal source inputs a signal with a known amplitude at the radio antenna input end, and then uses a UHF voltmeter or an oscilloscope with a sufficiently high frequency to measure the gain from the antenna input port step by step, find out the unit with abnormal gain, and then check , And finally diagnose the faulty parts.
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