TDA5252G2 INFINEON [Infineon Technologies AG], TDA5252G2 Datasheet - Page 45
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TDA5252G2
Manufacturer Part Number
TDA5252G2
Description
ASK/FSK 915MHz Wireless Transceiver
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.TDA5252G2.pdf
(86 pages)
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Part Number
Manufacturer
Quantity
Price
Part Number:
TDA5252G2
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
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The evalboard has been optimized for 3V. The load is about 250+j0 at 915MHz.
A tuning-free realization requires a careful design of the components within the matching network.
A simple linear CAE-tool will help to see the influence of tolerances of matching components.
Suppression of spurious harmonics may require some additional filtering within the antenna
matching circuit. Both can be seen in Figure 3-9 and Figure 3-10 The total spectrum of the
evalboard can be summarized as:
Figure 3-9
Data Sheet
Carrier fc
fc-18.1MHz
fc+18.1MHz
2
3
nd
rd
harmonic
harmonic
Transmit Spectrum 13.2GHz
+9dBm
-72dBm
-45dBm
-49dBm
-69dBm
45
TDA5252 G2
spectrum_13.2GHz.bmp
Version 1.1
Application
2007-02-26
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