
P
LL
s
-
s
M
T
6 - 5
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
figure 7. flicker foM vs. cP current,
fractional Mode B, 2.5 ma cP current
figure 8. floor foM vs. cP current,
fractional Mode B, 2.5 ma cP current
figure 9. flicker foM vs. cP Voltage, cP
current = 2.5 ma [1]
figure 10. floor foM vs. cP Voltage,
cP current = 2.5 ma [1]
figure 11. flicker foM vs. cP Voltage,
HiKcp + cP current = 6 ma [2]
figure 12. floor foM vs. cP Voltage,
HiKcp + cP current = 6 ma [2]
-232
-230
-228
-226
-224
-222
01
23
45
Integer
Fractional
F
L
OO
R
F
OM
(d
B
c
/H
z
)
CP VOLTAGE (V)
-234
-232
-230
-228
-226
-224
-222
012
345
Floor Int FOM
Floor Frac FOM
F
L
OO
R
F
OM
(d
B
c
/H
z
)
CP VOLTAGE (V)
-230
-228
-226
-224
-222
-220
-218
-216
0.5
1
1.5
2
2.5
3
CP CURRENT (mA)
F
L
OO
R
F
OM
(d
B
c
/H
z
)
-270
-268
-266
-264
-262
-260
0.5
1
1.5
2
2.5
3
CP CURRENT (mA)
F
L
IC
K
E
R
F
OM
(
d
B
c
/H
z
)
-272
-270
-268
-266
-264
-262
-260
01
23
45
F
L
IC
K
E
R
F
OM
(d
B
c
/H
z
)
CP VOLTAGE (V)
-276
-274
-272
-270
-268
-266
012
345
F
L
OO
R
F
OM
(d
B
c
/H
z
)
CP VOLTAGE (V)
[2] Active Loop Filter, with DC bias point on -ve leg of op-amp swept.