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美国半导体信息存储器件公司生产的ISD系列语音录放电路以其电路简单、应用方便、单片录放、不怕掉电、音色纯真、品种齐全、性价比高等特点,在众多的语音录放电路中独领风骚。ISD系列电路已被广泛地应用于通讯、工控、交通、金融、医疗、广告导游、仪器仪表、电教设备、报讯警示、家用电器、智能玩具、高档礼品等领域。本刊收到许多读者来信,要求解答他们使用ISD系列产品过程中所遇到的各种问题。现由王南阳等三同志就读者提出的带普遍意义的问题解答如下。
American semiconductor information storage device company ISD series of voice recording and broadcasting circuit with its simple circuit, easy to use, monolithic playback, not afraid of power, pure tone, variety, cost-effective features in many voice recording and playing the leading role in the circuit. ISD series of circuits have been widely used in communications, industrial control, transportation, finance, medical, advertising guides, instrumentation, audio-visual equipment, newspaper warning, household appliances, smart toys, high-end gifts and other fields. The journal received many letters from readers requesting answers to various questions they encountered during the ISD series of products. Now by Wang Nanyang and other three gay readers raised the question of universal significance is as follows.