tda5225 Infineon Technologies Corporation, tda5225 Datasheet - Page 152
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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Field
RFOFF
IFATT
BPF Calibration Configuration Register 0
BPFCALCFG0
BPF Calibration Configuration Register 0
Field
UNUSED
BPFCALST
BPF Calibration Configuration Register 1
Data Sheet
Bits
4
3:0
Bits
7:5
3:0
Type
w
w
Type
-
w
Description
Switch off RF-path (for RSSI trimming)
0
1
Reset: 0
Adjust IF attenuation from LNA_IN to IF_OUT (Double-Down
Conversion / Single-Down Conversion)
Used to trim out external component tolerances.
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Reset: 7
Description
UNUSED
Reset: 0
BPF Calibration Time (use default = 07
Min: 0h= Txtal * 80 * 7 * (0 + 4)
Max: Fh= Txtal * 80 * 7 * (15 + 4)
Reset: 7
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
RF path enabled
RF path disabled
0 dB / n.u.
0.8 dB / n.u.
1.6 dB / n.u.
2.4 dB / n.u.
3.2 dB / 0 dB
4.0 dB / 0.8 dB
4.8 dB / 1.6 dB
5.6 dB / 2.4 dB
6.4 dB / 3.2 dB
7.2 dB / 4.0 dB
8.0 dB / 4.8 dB
8.8 dB / n.u.
9.6 dB / n.u.
10.4 dB / n.u.
11.2 dB / n.u.
12.0 dB / n.u.
H
H
H
H
Offset
08A
152
H
H
)
Register Description
V1.0, 2010-02-19
Reset Value
Appendix
TDA5225
07
H
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