Lime Microsystems LMS7002MR3 - Page 35

31
Address (15 bits)
Bits
Description
0x0113
15 – 10
9 – 6
5 – 2
1 – 0
Reserved
G_LNA_RFE_(1, 2)[3:0]: Controls the gain of the LNA
15 – Gmax (default)
14 – Gmax-1
13 – Gmax-2
12 – Gmax-3
11 – Gmax-4
10 – Gmax-5
9 – Gmax-6
8 – Gmax-9
7 – Gmax-12
6 – Gmax-15
5 – Gmax-18
4 – Gmax-21
3 – Gmax-24
2 – Gmax-27
1 – Gmax-30
G_RXLOOPB_RFE_(1, 2)[3:0]: Controls RXFE loopback gain
15 – Gmax
14 – Gmax-0.5
13 – Gmax-1
12 – Gmax-1.6
11 – Gmax-2.4
10 – Gmax-3
9 – Gmax-4
8 – Gmax-5
7 – Gmax-6.2
6 – Gmax-7.5
5 – Gmax-9
4 – Gmax-11
3 – Gmax-14
2 – Gmax-17
1 – Gmax-24
0 – Gmax-40 (default)
Should be '0' when actual LNAs are working
G_TIA_RFE_(1, 2)[1:0]: Controls the Gain of the TIA.
3 – Gmax (default)
2 – Gmax-3
1 – Gmax-12
0 - Not allowed
Default: 00000011 11000011
0x0114
15 – 9
8 – 5
4 – 0
Reserved
RCOMP_TIA_RFE_(1, 2)[3:0]: Controls the compensation resistors of the TIA
operational amplifier.
11 – for CFB = 220
4 – (default)
5 – for CFB > 500
RFB_TIA_RFE_(1, 2)[4:0]: Sets the feedback resistor to the nominal value.
This is set using the rppolywo calibration code from the bias block
(BIAS_RPPOLY_calibration). Default: 13
Default: 00000000 10001101