Lime Microsystems LMS7002MR3 - Page 42

38
Address (15 bits)
Bits
Description
0x0106
15
14 – 10
9 – 5
4 – 0
Reserved
ICT_LPFS5_F_TBB_(1, 2)[4:0]: This controls the operational amplifier's output stage
bias current of the low band real pole filter of the transmitter's base band. Default:
12
ICT_LPFS5_PT_TBB_(1, 2)[4:0]: This controls the operational amplifier's input
stage bias current of the low band real pole filter of the transmitter's base band.
Default: 12
ICT_LPF_H_PT_TBB_(1, 2)[4:0]: This controls the operational amplifiers input stage
bias reference current of the high band low pass filter of the transmitter's base band
(LPFH_TBB). Default: 12
Default: 00110001 10001100
0x0107
15
14 – 10
9 – 5
4 – 0
Reserved
ICT_LPFH_F_TBB_(1, 2)[4:0]: This controls the operational amplifiers output stage
bias reference current of the high band low pass filter of the transmitter's base band
(LPFH_TBB). Default: 12
ICT_LPFLAD_F_TBB_(1, 2)[4:0]: This controls the operational amplifiers' output
stages bias reference current of the low band ladder filter of the transmitter's base
band. Default: 12
ICT_LPFLAD_PT_TBB_(1, 2)[4:0]: This controls the operational amplifiers' input
stages bias reference current of the low band ladder filter of the transmitter's base
band. Default: 12
Default: 00110001 10001100
0x0108
15 –10
9 – 5
4 – 0
CG_IAMP_TBB_(1, 2)[5:0]: This controls the front-end gain of the TBB. For a given
gain value, this control value varies with the set TX mode. After resistance
calibration, the following table gives the nominal values for each frequency setting.
However, this table is to be updated and corrected after calibration. Default: 37
Low Band:
5 – when 2.4MHz
7 – when 2.74MHz
12 – when 5.5MHz
18 – when 8.2MHz
24 – when 11MHz
High Band:
18 – when 18.5MHz
37 – when 38MHz
54 – when 54MHz
ICT_IAMP_FRP_TBB_(1, 2)[4:0]: This controls the reference bias current of the
IAMP main bias current sources. Default: 12
ICT_IAMP_GG_FRP_TBB_(1, 2)[4:0]: This controls the reference bias current of the
IAMP's cascode transistors gate voltages that set the IAMP's input voltage level.
The IAMP's input is connected to the DAC output. Default: 12
Default: 10010101 10001100
0x0109
15 – 8
7 – 0
RCAL_LPFH_TBB_(1, 2)[7:0]: This controls the value of the equivalent resistance of
the resistor banks of the biquad filter stage (of the high band section) of the
transmitter base band(TBB). Default: 97
Following is a nominal values table that are corrected for any process variation after
calibration:
18 – when 18.5MHz
97 – when 38MHz
164 – when 54MHz
RCAL_LPFLAD_TBB_(1, 2)[7:0]: This controls the value of the equivalent resistance
of the resistor banks of the low pass filter ladder (of the low band section) of the
transmitter base band (TBB). Default: 193
Following is a nominal values table that are corrected for any process variations
after calibration.
6 – when 2.4MHz
19 – when 2.74MHz
75 – when 5.5MHz
133 – when 8.2MHz
193 – when 11MHz
Default: 01100001 11000001