The joint control of auto chassis dynamometer system and CFVCVS is accomplished by means of simple and reliable TTL digital logic circuit in the exhaust gas evaluation test.
以简单、可靠的TTL数字逻辑电路实现了汽车底盘测功机系统和尾气采集系统的联机控制。
2
The T5420 is a Digital-Pneumatic Transducer, compatible with most digital systems using TTL and CMOS Logic.