HMC1190LP6GE
v01.1112
BROADBAND HIGH IP3 DUAL CHANNEL DOWNCONVERTER
w/ Fractional-N PLL & VCO, 0.7 - 3.5 GHz
Table 21. Reg 15h Manual VCO Config Register Default F48AD h
BIT
TYPE
NAME
W
DEFLT
DESCRIPTION
1- VCO subsystem manual calibration enabled
0- VCO subsystem manual calibration disabled
[0]
R/W
Manual Calibration Mode
1
0
16d
10h
[5:1]
[8:6]
[9]
R/W
R/W
R/W
Capacitor Switch Setting
Manual VCO Selection
Manual VCO Tune Enable
5
3
1
capacitor switch setting
Manual VCO Selection
2d
1- Manual VCO tuning enabled
0- Manual VCO tuning disabled
0
18d
12h
[15:10]
R/W
Reserved
6
Reserved
1 - Automatically scale CP current based on VCO frequency and
capacitor setting
0- Don’t scale CP current
[16]
R/W
R/W
Enable Auto-Scale CP current
Reserved
1
1
[19:17]
3
7d
Reserved
Table 22. Reg 16h Gain Divider Register Register Default 6C1 h
BIT
TYPE
NAME
W
DEFLT
DESCRIPTION
0 - Mute, VCO and PLL buffer On, RF output stages Off
1 - Fo
2 - Fo/2
3 - invalid, defaults to 2
4 - Fo/2
5 - invalid, defaults to 4
6 - Fo/6
[5:0]
R/W
RF Divide Ratio
6
1d
...
60 - Fo/60
61 - invalid, defaults to 60
62 - Fo/62
> 62 - invalid, defaults to 62
3 - Max Gain
2 - Max Gain - 3 dB
1 - Max Gain - 6 dB
0 - Max Gain - 9 dB
[7:6]
R/W
LO Output Buffer Gain Control
LO2 Output Buffer gain Control
2
3d
3 - Max Gain
2 - Max Gain - 3 dB
1 - Max Gain - 6 dB
0 - Max Gain - 9 dB
[9:8]
[10]
R/W
R/W
2
2d
Divider Output Stage Gain
Control
1 - Max Gain
0 - Max Gain - 3 dB
1
1
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
31
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