TDA5251F1 Datasheet, PDF (58/88 Pages) Infineon Technologies AG – ASK/FSK 315MHz Wireless Transceiver

Confidential
TDA5251 F1
Version 1.0
Application
10
0
-10
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
10
10 0
10 0 0
f [kH z]
Figure 3-18 I/Q Filter Characteristics
50kHz
100kHz
150kHz
200kHz
250kHz
350kHz
10 0 0 0
effective channel bandwidth
iq_filter_curve.wmf
-f
-f
3dB
IQ Filter
f_3dB
f
IQ Filter
Figure 3-19 IQ Filter and frequency characteristics of the receive system
iq_char.wmf
3.4
Data Filter
The Data-Filter should be set to values corresponding to the bandwidth of the transmitted Data
signal via the D4 to D7 bits of the LPF register (subaddress 03H).
Preliminary Specification
58
2003-02-18