tda5225 Infineon Technologies Corporation, tda5225 Datasheet - Page 122
tda5225
Manufacturer Part Number
tda5225
Description
Enhanced Sensitivity Multi-channel Quad-conf Igurat Ion Receiver With Digital Slicer
Manufacturer
Infineon Technologies Corporation
Datasheet
1.TDA5225.pdf
(176 pages)
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Register Description
A_IF1
Field
UNUSED
SSBSEL
BPFBWSEL
SDCSEL
IFBUFEN
CERFSEL
RSSI Wake-Up Threshold for Channel 1 Register
IF1 Register
IF1 Register
Data Sheet
Bits
7
6
5:3
2
1
0
Type
-
w
w
w
w
w
Description
UNUSED
Reset: 0
RXRF Receive Side Band Select
0
1
Reset: 0
Band Pass Filter Bandwidth Selection
000
001
010
011
100
101
110
111
Reset: 4
Single / Double Conversion Selection
0
1
Reset: 0
IF Buffer Enable
0
1
Reset: 0
Number of external Ceramic Filters
0
1
Reset: 0
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
RF = LO + IF1 (Lo-side LO-injection)
RF = LO - IF1 (Hi-side LO-injection)
50 kHz
80 kHz
125 kHz
200 kHz
300 kHz
not used
not used
not used
Double Conversion (10.7 MHz/274 kHz)
Single Conversion (274 kHz)
Disabled
Enabled
1 Ceramic Filter
2 Ceramic Filters
H
H
H
H
H
H
Offset
016
122
H
Register Description
V1.0, 2010-02-19
Reset Value
Appendix
TDA5225
20
H
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