RF65 Datasheet, PDF (58/72 Pages) List of Unclassifed Manufacturers – Low Power Integrated UHF Receiver With -120dBm High Sensitivity

ADVANCED COMMUNICATIONS & SENSING
RF65
DATASHEET
6.3. Receiver Registers
Table 21 Receiver Registers
Name
(Address)
Reserved14
(0x14)
Reserved15
(0x15)
Reserved16
(0x16)
Reserved17
(0x17)
RegLna
(0x18)
Bits Variable Name
7-0 -
7-0 -
7-0 -
7-0 -
7 LnaZin
6-
5-3 LnaCurrentGain
2-0 LnaGainSelect
RegRxBw
(0x19)
7-5 DccFreq
Mode
Default
Value
Description
r
0x40 unused
r
0xB0 unused
r
0x7B unused
r
0x9B unused
rw
1 LNA‟s input impedance
* 0→ 50 ohms
1→ 200 ohms
r
0 unused
r
001 Current LNA gain, set either manually, or by the AGC
rw
000 LNA gain setting:
000→ gain set by the internal AGC loop
001→ G1 = highest gain
010→ G2 = highest gain – 6 dB
011→ G3 = highest gain – 12 dB
100→ G4 = highest gain – 24 dB
101→ G5 = highest gain – 36 dB
110→ G6 = highest gain – 48 dB
111→ reserved
rw
010 Cut-off frequency of the DC offset canceller (DCC):
*
4-3 RxBwMant
2-0 RxBwExp
rw
10 Channel filter bandwidth control:
* 00→ RxBwMant = 16
10→ RxBwMant = 24
01→ RxBwMant = 20
11→ reserved
rw
101 Channel filter bandwidth control:
*
FSK Mode:
RegAfcBw
(0x1A)
7-5 DccFreqAfc
4-3 RxBwMantAfc
2-0 RxBwExpAfc
rw
100 DccFreq parameter used during the AFC
rw
01 RxBwMant parameter used during the AFC
rw 011 * RxBwExp parameter used during the AFC
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