HMC1197LP7FE Datasheet, PDF (48/57 Pages) Hittite Microwave Corporation – Fixed Wireless or WLL

HMC1197LP7FE
v03.0314
Wideband Direct Quadrature Modulator
w/ Fractional-N PLL & VCO, 100 - 4000 MHz
2.23
BIT
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[23:12]
Reg 17h Modes Register Default 1AB h
TYPE
NAME
Width Default
DESCRIPTION
R/W VCO SubSys Master Enable
1
Master enable for the entire VCO Subsystem
1
1 - Enable
0 - Disable
Chip Enable is also required to set as enable mode.
R/W
VCO Enable
1
1
R/W External VCO Buffer Enable
1
0
External VCO Buffer to output stage enable. Only used when locking
an external VCO.
R/W
PLL Buffer Enable
1
1
PLL Buffer Enable. Used when using an internal VCO.
R/W
LO1 Output Buffer Enable
1
0
Enables LO1 (LO_P & LO_N pins) output buffer.
R/W
LO2 Output Buffer Enable
1
1
Enables the LO2 (LO2_N & LO2_P pins) output buffer
R/W
External Input Enable
1
0
Enables External VCO input
R/W
Pre Lock Mute Enable
1
1
Mute both output buffers until the PLL is locked
R/W
LO1 Output Single-Ended
Enable
1
Enables Single-Ended output mode for LO output
1- Single-ended mode, LO_N pin is enabled, and LO_P pin is
1
disabled
0- Differential mode, both LO_N and LO_P pins enabled
Please note that single-ended output is only available on LO_N pin.
R/W
LO2 Output Single-Ended
Enable
1
Enables Single-Ended output mode for LO2 output
1- Single-ended mode, LO2_N pin is enabled, and LO2_P pin is
0
disabled
0- Differential mode, both LO2_N and LO2_P pins enabled
Please note that single-ended output is only available on LO2_N pin.
R/W
Reserved
1
0
Reserved
R/W Charge Pump Output Select
1
Connects CP to CP1 or CP2 output.
0
0: CP1
1: CP2
R/W
Reserved
12
0
Reserved
2.24
BIT
[18:0]
[19]
[20]
[23:21]
Reg 18h Bias Register Default 54C1 h
TYPE
NAME
Width Default
DESCRIPTION
R/W
Reserved
19
21697d
54C1h
Reserved
External Input buffer BIAS
R/W
1
bit0
0
External Input buffer BIAS bit0
External Input buffer BIAS
R/W
1
bit1
0
External Input buffer BIAS bit1
R/W
Reserved
3
0
Reserved
2.25
BIT
[23:0]
Reg 19h Cals Register Default AAA h
TYPE
NAME
Width Default
DESCRIPTION
R/W
Reserved
2
2730d
AAAh
Reserved. Program to AB2h.
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