In this paper, the electric circuit and designing thought of an answering racer based on the common-used series of 74 IC with 8-wire is introduced, and its function is also described.
本文介绍了一种用74系列常用集成电路设计的数码显示八路抢答器的电路组成、设计思路及功能。
2
There are many ways to realize the answering machine function for example the earlier analog circuit the digital circuit or the analog digital mixing circuit.
实现抢答器功能的方式有多种可以采用早期的模拟电路、数字电路或模数混合电路。
3
The figure vies for the answering device by the subject circuit and expands the circuit to make up .