HMC8100 Datasheet, PDF (23/28 Pages) Analog Devices – High linearity: supports modulations to 1024 QAM

HMC8100LP6JE
Bit No.
[10:8]
Bit Name
AGC_BW
[7:6]
VGA3_GAIN
[5:0]
POUT_CTRL
Description
AGC bandwidth
000 = 17 Hz
001 = 22 Hz
010 = 33 Hz
011 = 67 Hz
100 = 83 Hz
101 = 111 Hz (recommended setting)
110 = 167 Hz
111 = 333 Hz
VGA 3 attentuation
00 = 0 dB (recommended setting)
01 = 5 dB
10 = 10 dB
11 = 15 dB
Power output control
0x0 = −54 dBm
0x1 = −53 dBm
0x2 = …
0x3E = +8 dBm
0x3F = +9 dBm
Active Gain Control: IF Gain Limit Bits
Table 10. AGC Register, (Address 0x05)
Bit No.
Bit Name
[15:12]
Reserved
[11:9]
IF_GAIN_LIMIT
[8:0]
Reserved
Description
Not used
IF gain limit
000 = 0 dB
001 = 6 dB
010 = 12 dB
011 = 18 dB
100 = 24 dB
101 = 30 dB
110 = 36 dB
111 = 42 dB
Logic 1 0000 0100 for normal operation
Band-Pass Filter Bits: Calibration and 8-Bit Word Frequency
Table 11. Band-Pass Filter Register, (Address 0x06)
Bit No.
Bit Name
Description
[15:10]
Reserved
Not used
9
FIL2_CAL_OVFL
FIL2 calibration overflow signal
8
FIL2_VCAL_END
FIL2 calibration end signal
[7:0]
FL2_FC_CAL
FIL2 8-bit word frequency setting, read only
Data Sheet
Reset
0x4
Access
R/W
0x0
R/W
0x30
R/W
Reset
0xA
0x4
Access
R/W
R/W
0x104
R/W
Reset
0x0
0x1
0x1
0x85
Access
R
R
R
R
Rev. A | Page 22 of 27