HMC831LP6CE
v02.1109
FRACTIONAL-N SYNTHESIZER WITH
INTEGRATED VCO, 1815 - 2010 MHz
Electrical Specifications (Continued)
Parameter
Integer, 50 MHz PFD
Integer, 50 MHz PFD
Integer, 50 MHz PFD
Fractional, 50 MHz PFD
Fractional, 50 MHz PFD
Figure of Merit
Condition
10 kHz Offset
100 kHz Offset
1 MHz Offset
10 kHz Offset
100 kHz Offset
Normalized 1 Hz
Min.
Typ.
-112
-120
-103
-107
-112
Max.
Units
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Measured w/ 50 MHz PD
at 30 kHz Offset
Integer Mode
-227
-225
dBc/Hz
dBc/Hz
Measured w/ 50 MHz PD
at 30 kHz Offset
Fractional Mode
12
Typical Closed Loop Fractional Phase
Noise [1]
Closed Loop Integer Phase Noise
-70
-70
-80
-80
1815 MHz
1800 MHz
-90
-90
1910 MHz
1900 MHz
2010 MHz
2000 MHz
-100
-100
-110
-120
-130
-140
-150
-160
-170
-180
-110
-120
-130
-140
-150
-160
-170
-180
102
103
104
105
106
107
108
102
103
104
105
106
107
108
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
VCO Free Running Phase Noise
Typical Tuning Curves vs. Switch Position
-20
fmax
-40
n0
1800 MHz
1900 MHz
2000 MHz
n2
n4
n6
-60
-80
n8
n10
n12
n14
n16
n18
-100
-120
-140
-160
-180
n20
n22
n24
n26
fmin
nn3300
n31
4
0
1
2
3
5
102
103
104
105
106
107
108
OFFSET FREQUENCY (Hz)
TUNING VOLTAGE (V)
[1] Fractional Mode, 50 MHz Crystal, R=1, ~80 kHz Loop BW, (Loop filter values: Contact factory for component values) 2mA Charge Pump, -385μA
Offset.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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