... 随路信令比特 channel associated signalling bits 电路模式数据 circuit mode data 拨号数字 dialled diglts ...
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Circuit-mode voice-band data services 电路模式音频数据业务
The purpose of the SSCS is to convey narrow-band calls consisting of voice, voiceband data, or circuit mode data.
SSCS的目的在于传递由语音、语音带宽数据或电路模式数据构成的窄带呼叫。
The data acquisition circuit is composed of chip 89C52 and 8254. External measuring signal at interrupt mode triggers 89c52 to read number in 8254 counter.
由89c52和8254组成数据处理电路。 外部测量信号以外部中断方式触发89c52读取8254计数。
A comparator circuit based on current-mode control used in PWM controller is presented that is able to compare 3-data at a time and latch output signals.
文中提出了一种用于PWM控制器的比较器输出电路的设计，该电路基于电流模式控制，能够同时对三路输入信号进行比较输出并对输出信号进行锁存。
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