tda5235 Infineon Technologies Corporation, tda5235 Datasheet - Page 233

• Manufacturer Part Number: tda5235
• Description: Enhanced Sensitivity Double-configuration Receiver With Digital Baseband Processing
• Manufacturer: Infineon Technologies Corporation

Field
UNUSED
RFOFF
IFATT
BPF Calibration Configuration Register 0
BPFCALCFG0
BPF Calibration Configuration Register 0
Data Sheet
Bits
7:5
4
3:0
Type
-
w
w
Description
UNUSED
Reset: 0
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
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
Offset
08A
233
H
Register Description
V1.0, 2010-02-19
Reset Value
Appendix
TDA5235
07
H