调频数字音频广播激励器技术指标测试技巧

FM Digital Audio Broadcasting Exciter's Technical Specii cations Testing Techniques

中国调频频段数字音频广播(CDR)激励器及发射机测试标准已正式发布。CDR采用的是数模同播技术,相关指标测试方法比较复杂,具体测试步骤也较抽象。这里将实际测试积累的一些经验和技巧结合标准内容进行阐述,不但可提高测试效率也能帮助大家比较直观和深入的理解标准内容。

The test standard of exciter and transmitter for Chinese FM band digital audio broadcasting(CDR) has been oi cially released. CDR adopts analog simulcast technique. Testing methods of the related indexes is more complex, and specii c test steps are more abstract. Combining with the standard, the paper describes testing's experience and skill. It can improve the ei ciency of testing and understand the standard content.