EN300220新旧标准对比.ppt

1、6 August 2020,ETSI EN 300 220-2 V2.1.2 (2007-06)ETSI EN 300 220-2 V2.3.1 (2010-02)新旧标准测试要求对比,TV SD China Guangzhou Branch Prepared By: Celia Xiang,对于我们最常遇到的一些产品，主要差异项目： Transmitter requirements Frequency error and frequency drift(限值变化) Transient Power(测试方法，限值变化) Modulation bandwidth(测试方法变化) Spurious

2、 emissions(频率范围变化) Receiver requirements Blocking(新增，对所有Receiver适用),TEC-BD-Sales,6 August 2020,ETSI EN 300 220-2 V2.1.2 (2007-06),4.2.1.1 Frequency error and frequency drift a. 如果能产生未调制载波，table 6a for narrow band or table 6b for wide band,Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.1

3、.2 (2007-06),b. 对于不能产生未调制载波的窄带产品，测量极限条件下ACP,Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.3.1 (2010-02),4.2.1.1 Frequency error and frequency drift 对于能产生未调制载波且其通道间隔不大于25KHz的产品，符合table 4a限值，其他的符合table 4b限值,Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.3.1 (2010-02),b. 如不能产

4、生未调制载波，对于窄带和通道间隔大于25KHz的产品，极限条件下ACP满足:,Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.3.1 (2010-02),c. 其他产品极限条件下调制带宽（modulation bandwidth）需满足:,Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.1.2 (2007-06),4.2.1.4 Transient power,Transmitter requirements,6 August 2020,ETSI EN

5、 300 220-2 V2.3.1 (2010-02),Transmitter requirements,6 August 2020,4.2.1.5 Transient Power This requirement applies to all transmitters.,ETSI EN 300 220-2 V2.1.2 (2007-06),4.2.1.6 Modulation bandwidth for wide band equipment ( 200 kHz),Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.3.1

6、(2010-02),4.2.1.7 Modulation bandwidth,Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.1.2 (2007-06),4.2.1.7 Spurious emissions,Transmitter requirements,6 August 2020,ETSI EN 300 220-2 V2.3.1 (2010-02),4.2.1.8 Unwanted emissions in the spurious domain,Transmitter requirements,6 August 20

7、20,ETSI EN 300 220-2 V2.1.2 (2007-06),4.3.4 Blocking or desensitization This requirement applies only to class 1 and class 2 receivers.,Receiver requirements,6 August 2020,ETSI EN 300 220-2 V2.3.1 (2010-02),4.3.5 Blocking This requirement applies to all categories of receivers.,Receiver requirements,6 August