Download HMC984LP4E - Analog Devices

HMC984LP4E
v02.0112
DIGITAL PHASE-FREQUeNCY DETECTOR
Figure 7. HMC984LP4E & HMC983LP5E
PLL Flicker FOM vs CP Current [2]
Figure 8. HMC984LP4E & HMC983LP5E
PLL Floor FOM vs CP Current [2]
-259
-260
FLOOR FOM (dBc/Hz)
FLICKER FOM (dBc/Hz)
-220
-261
-262
-263
-264
-222
-224
-226
-265
-266
-228
0.5
0.75
1
1.25
1.5
1.75
2
CHARGE PUMP CURRENT (mA)
2.25
2.5
-230
-195
-235
-200
-240
1
1.25
1.5
1.75
2
CHARGE PUMP CURRENT (mA)
2.25
2.5
-205
Mode B
-245
Hi K Mode B
-250
Hi K Integer Mode
-255
-260
-265
-210
-215
-220
-225
Mode B
Hi K Mode B
-230
Integer Mode
Integer Mode
-270
0
1
-235
2
3
CHARGE PUMP VOLTAGE (V)
4
5
Figure 11. HMC984LP4E & HMC983LP5E
PLL Performance at 7000.01 MHz [4]
0
-60
-60
-80
-80
-100
-120
-140
-160
-180
2
10
1
Hi K Integer Mode
2
3
CHARGE PUMP VOLTAGE (V)
4
5
Figure 12. HMC984LP4E & HMC983LP5E
PLL Performance at 4100.01 MHz [5]
PHASE NOISE (dBc/Hz)
PHASE NOISE (dBc/Hz)
0.75
Figure 10. HMC984LP4E & HMC983LP5E
PLL Floor FOM vs CP Voltage [3]
FLOOR FOM (dBc/Hz)
FLICKER FOM (dBc/Hz)
Figure 9. HMC984LP4E & HMC983LP5E
PLL Flicker FOM vs CP Voltage [3]
0.5
FREQUENCY DIVIDERS & DETECTORS - SMT
-218
-100
-120
-140
-160
10
3
4
5
6
10
10
10
OFFSET FREQUENCY (Hz)
10
7
10
8
-180
2
10
10
3
4
5
6
10
10
10
OFFSET FREQUENCY (Hz)
10
7
10
8
[2] PLL operated in Mode B, CP Votage = 2.5 V, Active Loop Filter with 220 kHz bandwidth used
[3] Charge Pump Current = 2.5 mA
[4] Crystal frequency=100MHz, PD frequency=50MHz, CP current=2.5mA, CP offset current=255 µA, Loop bandwidth = 87 kHz, PLL in Mode B.
[5] Reference frequency=100 MHz, PD frequency=50 MHz, CP current=2.5 mA, CP offset current=280 µA, Loop bandwidth = 87 kHz, PLL in Mode B.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: [email protected]
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