EVB72006

315MHz的FSK / ASK发送器

评估板说明

文档内容

1

工作原理............................................... .................................................. ..3

1.1

1.2

General............................................................................................................................. 3

框图.................................................................................................................. 3

2

功能说明................................................ .............................................. 3

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

2.10

晶体振荡器.............................................................................................................. 3

FSK调制................................................................................................................ 4

水晶Pulling................................................................................................................... 4

ASK Modulation................................................................................................................五

输出功率Selection....................................................................................................五

锁Detection..................................................................................................................五

低电压Detection......................................................................................................五

模式控制逻辑.......................................................................................................... 6

时钟Output..................................................................................................................... 6

时序图.............................................................................................................. 6

3

50

Ω

接口板电路原理图.............................................. ....................... 7

3.1

3.2

3.3

主板元件值............................................... ................................................. 7

50

Ω

接口板PCB顶视图............................................. ................................. 8

板Connection............................................................................................................. 8

4

5

6

评估板布局............................................... ............................................ 9

板Variants............................................................................................................9

包装说明................................................ ................................................ 10

6.1

6.2

焊接信息..................................................................................................... 10

推荐的PCB足迹............................................... ....................................... 10

7

放弃.................................................................................................................12

39012 72006 01

修订版004

第12页2

EVB说明

Dec/07