EVB71111

868/915MHz Receiver

Evaluation Board Description

39012 71111 01

Page 2 of 14

EVB Description

Rev. 011

June/07

Document Content

1

Theory of Operation ...................................................................................................3

1.1

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

1.2

EVB Technical Data Overview ......................................................................................... 3

1.3

Block Diagram .................................................................................................................. 4

1.4

Mode Configurations ........................................................................................................ 4

1.5

LNA GAIN Control ............................................................................................................ 4

1.6

Frequency Planning.......................................................................................................... 4

1.6.1

Selected Frequency Plans........................................................................................................... 5

1.6.2

Maximum Frequency Coverage................................................................................................... 5

2

Application Circuits ...................................................................................................6

2.1

FSK Application Circuit ..................................................................................................... 6

2.1.1

Circuit Diagram for FSK Reception.............................................................................................. 6

2.1.2

Board Component Values for FSK .............................................................................................. 7

2.1.3

Component Arrangement Top Side for FSK Reception .............................................................. 8

2.2

ASK Application Circuit..................................................................................................... 9

2.2.1

Circuit Diagram for ASK Reception ............................................................................................. 9

2.2.2

Board Component Values for ASK ............................................................................................ 10

2.2.3

Component Arrangement Top Side for ASK Reception ............................................................ 11

3

Evaluation Board Layouts .......................................................................................12

4

Board Variants..........................................................................................................12

5

Package Description ................................................................................................13

5.1

Soldering Information ..................................................................................................... 13

6

Disclaimer .................................................................................................................14