HMC1190LP6GE
v01.1112
BROADBAND HIGH IP3 DUAL CHANNEL DOWNCONVERTER
w/ Fractional-N PLL & VCO, 0.7 - 3.5 GHz
Table 11. Reg 09h Charge Pump Register Default 527264 h
BIT
TYPE
NAME
W
DEFLT
DESCRIPTION
Charge Pump DN Gain Control 20uA/step
Affects fractional phase noise and lock detect settings
0d = 0uA
1d = 20uA
2d = 40uA
...
100d
64h
[6:0]
R/W
CP DN Gain
7
127d = 2.54mA
Default 2mA
Charge Pump UP Gain Control 20uA/step
Affects fractional phase noise and lock detect settings
0d = 0uA
1d = 20uA
2d = 40uA
...
100d
64h
[13:7]
R/W
R/W
CP UP Gain
7
7
127d = 2.54mA
Default 2mA
Charge Pump Offset Control 5uA/step
Affects fractional phase noise and spur sand lock detect settings
0d = 0uA
1d = 5uA
2d = 10uA
...
[20:14]
Offset Current
49h
127d = 635uA
Default 405uA
[21]
[22]
R/W
R/W
Offset Current UP
Offset Current DN
1
1
0
1
1 - Sets Direction of Reg 09h[20:14] Up, 0- UP Offset Off
1 - Sets Direction of Reg 09h[20:14] Down, 0- DN Offset Off
Hi Kcp Charge Pump - Very Low Noise, Narrow Compliance range,
requires external OpAmp in the loop filter.
[23]
R/W
HiK charge pump Mode
1
0
Table 12. Reg 0Ah VCO AutoCal Configuration Register Default 2046 h
BIT
TYPE
NAME
W
DEFLT
DESCRIPTION
1,2,4,8,...,32,64,128,256 Rdiv cycles for frequency measurement.
Measurement should last > 4 µsec.
[2:0]
R/W
Vtune Resolution
3
6d
Note: 1 does not work if R divider = 1.
[10:3]
[11]
R/W
R/W
R/W
Reserved
AutoTune Disable
Reserved
8
1
1
8d
0
Reserved
1 - Disable AutoTune procedure
Reserved
[12]
0
Set the AutoCal FSM (50 MHz maximum)
0: Input Crystal Reference
[14:13]
R/W
FSM Clock Select
2
1
1: Input Crystal Reference/4
2: Input Crystal Reference/16
3: Input Crystal Reference/32
[16:15]
[17]
R/W
R/W
Reserved
2
0
0
Reserved
1: Attempts to relock if Lock Detect fails for any reason. Only tries
once.
Auto Relock - One Try
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
27
HITTITE [ HITTITE MICROWAVE CORPORATION ]
