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2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
Table 21. Register 6 (A3:A0 = 0110)
DATA BIT
D13
D12:D11
D10:D7
D6
D5:D2
D1
D0
RECOMMENDED
0
00
0000
1
1000
0
0
DESCRIPTION
Set to recommended value.
Tx I/Q Calibration LO Leakage and Sideband Detector Gain-Control Bits. D12:D11 = 00: 9dB;
01 19dB; 10: 29dB; 11: 39dB.
Set to recommended value.
Power-Detector Enable in Tx Mode. Set to 1 to enable the power detector or set to 0 to
disable the detector.
Set to recommended value.
Tx Calibration Mode. Set to 1 to place the device in Tx calibration mode or 0 to place the
device in normal Tx mode when RXTX is set to 1 (see Table 31).
Rx Calibration Mode. Set to 1 to place the device in Rx calibration mode or 0 to place the
device in normal Rx mode when RXTX is set to 0 (see Table 31).
Table 22. Register 7 (A3:A0 = 0111)
BIT
D13:D12
D11:D6
D5:D3
D2:D0
RECOMMENDED
01
000000
100
010
DESCRIPTION
Receiver Highpass Corner Frequency Setting for RXHP = 0. Set to 00 for 100Hz, X1 for 4kHz,
and 10 for 30kHz.
Set to recommended value.
Transmitter Lowpass Filter Corner Frequency Fine Adjustment (Relative to Coarse Setting).
See Table 8. Bits D1:D0 in A3:A0 = 1000 provide the lowpass filter corner coarse adjustment.
Receiver Lowpass Filter Corner Frequency Fine Adjustment (Relative to Coarse Setting). See
Table 5. Bits D1:D0 in A3:A0 = 1000 provide the lowpass filter corner coarse adjustment.
Table 23. Register 8 (A3:A0 = 1000)
BIT
D13
D12
D11
D10
D9:D8
D7:D2
D1:D0
RECOMMENDED
1
0
0
0
00
001000
01
DESCRIPTION
Set to recommended value.
Enable Receiver Gain Programming Through the Serial Interface. Set to 1 to enable
programming through the 3-wire serial interface (D6:D0 in Register A3:A0 = 1011). Set to 0 to
enable programming in parallel through external digital pins (B7:B1).
Set to recommended value.
RSSI Operating Mode. Set to 1 to enable RSSI output independent of RXHP. Set to 0 to
disable RSSI output if RXHP = 0, and enable the RSSI output if RXHP = 1.
RSSI, Power Detector or Temperature Sensor Output Select. Set to 00 to enable the RSSI
output in receive mode. Set to 01 to enable the temperature sensor output in receive and
transmit modes. Set to 10 to enable the power-detector output in transmit mode. See Table 7.
Set to recommended value.
Receiver and Transmitter Lowpass Filter Corner Frequency Coarse Adjustment. See Tables 4
and 7.
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