
P
LL
s
-
s
M
T
6 - 7
HMC703LP4E
v02.0813
8 GHz fractional syntHesizer
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 978-250-3373 fax Order On-line at www.hittite.com
Application Support: pll@hittite.com
-234
-232
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-25
-20
-15
-10
-5
0
5
F
L
OO
R
F
OM
(d
B
c
/H
z
)
RF POWER (dBm)
Frac Mode B
Frac Mode A
HiK Mode B
HiK Mode A
HiK Integer
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-270.5
-270
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-269
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-20
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-5
0
5
F
L
IC
K
E
R
F
OM
(d
B
c
/H
z
)
RF POWER (dBm)
Frac Mode A
HiK Mode B
HiK Mode A
Integer
HiK Integer
Frac Mode B
figure 19. floor foM near 8 GHz vs rf
input Power and Mode
figure 20. flicker foM near 8 GHz vs. rf
input Power and Mode
[9] Measured with a 100 external resistor termination, resulting in 50Ohm effective input impedance.. see
“Reference Input stage” for more details.
Full FOM performance up to maximum 3.3 Vpp input voltage.
[10] Measured with a 100 external termination AC coupled on HMC703LP4E evaluation board, as in
Figure 35.[11] Measured with a 100 external termination AC coupled on HMC703LP4E evaluation board, as in
Figure 37.
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-5
0
50
100
150
200
250
300
350
R
ET
U
R
N
L
O
SS
(d
B)
REFERENCE INPUT FREQUENCY (MHz)
figure 21. reference input sensitivity,
square Wave, 50 [9]
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-5
0
5
10
14 MHz sq
25 MHz sq
50 MHz sq
100 MHz sq
F
L
OO
R
F
OM
(d
B
c
/H
z
)
REFERENCE POWER (dBm)
100 MHz
14 MHz
50 MHz
25 MHz
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-225
-220
-215
-210
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-200
-20
-15
-10
-5
0
5
REFERENCE POWER (dBm)
F
L
OO
R
F
OM
(d
B
c
/H
z
)
14 MHz
25 MHz
50 MHz
100 MHz
figure 22. reference input sensitivity
sinusoid Wave, 50 [9]
figure 23. reference input return loss [10]
figure 24. rf input return loss [11]
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-5
0
2000
4000
6000
8000
10000
R
ET
U
R
N
L
O
SS
(d
B)
RF INPUT FREQUENCY (MHz)