多种幅度调制信号发生电路（B题）...
..."font-size:14px;line-height:125%;font-family:arial;color:black;">，误差不大于200Hz...
https://www.nuedc-training.com.cn/index/news/details/new_id/209 - 2020-09-25 - 13781次浏览
单次信号周期再现装置（A题）...
...周期波形与输入信号波形相相同，峰峰值不小于3V，周期误差绝对值不大于5%。负载电阻RL=3kΩ。（1）输入信号为单周期正弦波、三角波或梯形波信号，持续.....
https://www.nuedc-training.com.cn/index/news/details/new_id/208 - 2020-09-25 - 15348次浏览