HMC1197LP7FE Datasheet, PDF (20/34 Pages) Hittite Microwave Corporation – Fixed Wireless or WLL

HMC1197LP7FE
v00.0912
WIDEBAND DIRECT QUADRATURE MODULATOR
w/ FRACTIONAL-N PLL & VCO, 100 - 4000 MHz
Reg 09h Charge Pump Register
BIT
TYPE
NAME
[6:0]
R/W
CP DN Gain
[13:7]
R/W
CP UP Gain
[20:14]
R/W
Offset Current
[21]
R/W
[22]
R/W
[23]
R/W
Offset Current UP
Offset Current DN
HiK charge pump Mode
W DEFLT
DESCRIPTION
Charge Pump DN Gain Control 20uA/step
Affects fractional phase noise and lock detect settings
7
100d
64h
0d = 0uA
1d = 20uA
2d = 40uA
...
127d = 2.54mA
Charge Pump UP Gain Control 20uA/step
Affects fractional phase noise and lock detect settings
7
100d
64h
0d = 0uA
1d = 20uA
2d = 40uA
...
127d = 2.54mA
Charge Pump Offset Control 5uA/step
Affects fractional phase noise and spursand lock detect settings
7
81d
51h
0d = 0uA
1d = 5uA
2d = 110uA
...
127d = 635uA
1
0
1 - Sets Direction of Reg 09h[20:14] Up, 0- UP Offset Off
1
1
1 - Sets Direction of Reg 09h[20:14] Down, 0- DN Offset Off
1
0
Hi Kcp Charge Pump - Very Low Noise, Narrow Compliance range,
requires external OpAmp in the loop filter.
Reg 0Ah VCO AutoCal Configuration Register
BIT
TYPE
NAME
W DEFLT
[2:0]
R/W
Vtune Resolution
3
6d
[10:3]
[11]
[12]
R/W
R/W
R/W
Reserved
AutoTune Disable
Reserved
8
8d
1
0
1
0
[14:13]
R/W
FSM Clock Select
2
1
[16:15]
R/W
Reserved
2
0
DESCRIPTION
1,2,4,8,...,32,64,128,256 Rdiv cycles for frequency measurement.
Measurement should last > 4 µsec.
Note: 1 does not work if R divider = 1.
Reserved
1 - Disable AutoTune procedure
Reserved
Set the AutoCal FSM (50 MHz maximum)
0: Input Crystal Reference
1: Input Crystal Reference/4
2: Input Crystal Reference/16
3: Input Crystal Reference/32
Reserved
[17]
R/W
Auto Relock - One Try
1
0
1: Attempts to relock if Lock Detect fails for any reason. Only tries
once.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: [phone] Fax: [phone] Order On-line at www.hittite.com
20
Application Support: Phone: [phone] or [e-mail]