TDA5212_06 INFINEON [Infineon Technologies AG], TDA5212_06 Datasheet - Page 48

• Manufacturer Part Number: TDA5212_06
• Description: ASK/FSK 915MHz Single Conversion Receiver
• Manufacturer: INFINEON [Infineon Technologies AG]

Wireless Components
Figure 2-1
Figure 3-1
Figure 3-2
Figure 4-1
Figure 4-2
Figure 4-3
Figure 4-4
Figure 4-5
Figure 4-6
Figure 4-7
Figure 4-8
Figure 4-9
Figure 4-10 Principle of the precharge circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Figure 4-11 Voltage appearing on C2 during precharging process . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Figure 4-12 Voltage transient on capacitor C attached to pin 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
Figure 5-1
Figure 5-2
Figure 5-3
Figure 5-4
6
List of Figures
PG-TSSOP-28 package outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IC Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LNA Automatic Gain Control Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RSSI Level and Permissive AGC Threshold Levels . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Filter Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Determination of Series Capacitance Value for the Crystal Oscillator . . . . . . . . . . . . .
Data Slicer Threshold Generation with External R-C Integrator . . . . . . . . . . . . . . . . . .
Data Slicer Threshold Generation Utilising the Peak Detector . . . . . . . . . . . . . . . . . . .
ASK/FSK mode datapath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frequency characterstic in case of FSK mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frequency charcteristic in case of ASK mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Schematic of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Top Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Bottom Side of the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Component Placement on the Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
List of Figures - i
Specification, December 2006
List of Figures
TDA 5212
2-3
3-2
3-9
4-2
4-3
4-4
4-5
4-7
4-7
4-8
4-9
5-9