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PDF HMC704LP4E Data sheet ( Hoja de datos )
| Número de pieza | HMC704LP4E | |
| Descripción | 8 GHZ FRACTIONAL-N PLL | |
| Fabricantes | Hittite Microwave Corporation | |
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v04.0215
Typical Applications
The HMC704LP4E is ideal for:
• Microwave Point-to-Point Radios
• Base Stations for Mobile Radio
(GSM, PCS, DCS, CDMA, WCDMA)
• Wireless LANs, WiMAX
• Communications Test Equipment
• CATV Equipment
• Automotive
Functional Diagram
HMC704LP4E
8 GHZ FRACTIONAL-N PLL
Features
Wide band: DC - 8 GHz RF Input,
4 GHz 19-bit Prescaler
Industry Leading Phase Noise & Spurious:
-112 dBc/Hz @ 8 GHz Fractional, 50 kHz Offset
Figure of Merit
-230 dBc/Hz Fractional Mode
-233 dBc/Hz Integer Mode 100 MHz PFD
High PFD rate: 100 MHz
24 Lead 4x4 mm SMT Package: 16 mm2
General Description
The HMC704LP4E has been designed for the best
phase noise and lowest spurious content possible in
an integrated PLL.
Fabricated in a SiGe BiCMOS process, this
Fractional-N PLL consists of a very low noise digital
phase detector, VCO divider, reference divider and a
precision controlled charge pump.
Ultra low in-close phase noise and low spurious allows
wide loop bandwidths for faster frequency hopping and
low micro-phonics.
Exact frequency mode with 24-bit fractional modulator
provides the ability to generate fractional frequencies
with zero frequency error, an important feature for
Digital Pre-Distortion systems.
The serial interface offers read back capability and is
compatible with a wide variety of protocols.
5-1
For price, delivery and to place orders: Analog Devices, Inc., One Technology Way, Norwood, MA 02062
978-250-3343 tel • 978-250-3373 fax • Order online at www.analog.com/hittitemw
Application support: Phone: 978-250-3343 or [email protected]
1 page  
v04.0215
Figure 5. Floor FOM vs.
Reference Power and Mode
-226
-228
int
Mode A
HiK int
HiK Mode A
-230
-232
-234
-1 0 1 2 3 4 5 6 7 8 9 10 11 12
REFERENCE POWER (dBm)
Figure 7. Flicker FOM vs.
Charge Pump Current
-245
-250
-255
-260
-265
-270
0 0.5 1 1.5 2 2.5 3
CP CURRENT (mA)
Figure 9. Flicker FOM vs.
CP Voltage, Hikcp + CP Current = 6mA
-264
-266
-268
-270
0
1234
CP VOLTAGE (V)
5
HMC704LP4E
8 GHZ FRACTIONAL-N PLL
Figure 6. Flicker FOM vs.
Reference Power and Mode
-266
-267
-268
-269
-270
-271
int
Frac Mode A
Hik int
Hik Frac Mode A
-272
-4 -2 0 2 4 6 8 10 12
REFERENCE POWER (dBm)
Figure 8. Flicker FOM vs.
CP Voltage, CP Current = 2.5mA
-256
-258
-260
-262
-264
-266
-268
-270
0
1234
CP VOLTAGE (V)
5
Figure 10. Floor FOM vs.
CP Voltage, CP Current = 2.5mA
-218
-220
-222
-224
-226
-228
-230
0
1234
CP VOLTAGE (V)
5
5-5
For price, delivery and to place orders: Analog Devices, Inc., One Technology Way, Norwood, MA 02062
978-250-3343 tel • 978-250-3373 fax • Order online at www.analog.com/hittitemw
Application support: Phone: 978-250-3343 or [email protected]
5 Page 
Evaluation PCB
v04.0215
HMC704LP4E
8 GHZ FRACTIONAL-N PLL
The circuit board used in the application should use RF circuit design techniques. Signal lines should have 50
Ohms impedance while the package ground leads and exposed paddle should be connected directly to the
ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and
bottom ground planes. The evaluation circuit board shown is available from Hittite upon request.
Table 5. Evaluation Order Information
Item
Contents
Evaluation Kit
HMC704LP4E Evaluation PCB
USB Interface Board
6’ USB A Male to USB B Female Cable
CD ROM (Contains User Manual, Evaluation PCB Schematic, Evaluation Software, Hittite
PLL Design Software)
Part Number
129856-HMC704LP4E
5 - 11
For price, delivery and to place orders: Analog Devices, Inc., One Technology Way, Norwood, MA 02062
978-250-3343 tel • 978-250-3373 fax • Order online at www.analog.com/hittitemw
Application support: Phone: 978-250-3343 or [email protected]
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HMC704LP4E.PDF ] | |
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