TI中文支持网双pwm替代adc应用中，把SN74LVC4040A用作pwm后接的反相器，从反相器出来的pwm波有振铃导致分辨率不行，请问问题出在哪里
Vivian Gao：
您好
关于振铃，可以参考下方链接里面的建议
1）e2e.ti.com/…/faq-what-happens-when-i-connect-a-logic-device-s-output-to-a-50-ohm-transmission-line
2）e2e.ti.com/…/sn74lvc1g14-signal-integrity-analysis—direct-device-to-device-connection-has-large-ringing
3）https://www.ti2k.com/wp-content/uploads/ti2k/DeyiSupport_数据转换器_sn74lvc74a-ringing-and-oscillation-in-power-suppy-rail
4）e2e.ti.com/…/sn74lvc1g08-overshoot-and-ringing-at-the-output
