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大多数900兆赫下-变频器的设计都是专用产品,因而工业界未能染指,而工业界能用的设计却又往往是分立元器件,而且要求高压工作,又不便于用在便携式产品上。图1所示的下变频器不是专卖品,适用于电池供电的应用。你可以用IC厂家的印制电路板工艺提前上马。
Most of the 900-MHz down-converters are designed for use as a dedicated product, and as a result, the industry can not afford to touch it. The designs that the industry can use are often discrete components and require high-voltage work and are not easy to use on portable products . The downconverter shown in Figure 1 is not a monopoly and is suitable for battery-powered applications. You can use IC manufacturers printed circuit board technology launched in advance.