參數(shù)資料
型號: EVAL-ADF4106EBZ1
廠商: Analog Devices Inc
文件頁數(shù): 1/24頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR ADF4106
標(biāo)準(zhǔn)包裝: 1
主要目的: 計時,頻率合成器
嵌入式:
已用 IC / 零件: ADF4106
主要屬性: 單路整數(shù)-N PLL
次要屬性: 6GHz 圖形用戶界面
已供物品: 板,線纜,軟件
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PLL Frequency Synthesizer
Data Sheet
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2001–2012 Analog Devices, Inc. All rights reserved.
FEATURES
6.0 GHz bandwidth
2.7 V to 3.3 V power supply
Separate charge pump supply (VP) allows extended
tuning voltage in 3 V systems
Programmable dual-modulus prescaler
8/9, 16/17, 32/33, 64/65
Programmable charge pump currents
Programmable antibacklash pulse width
3-wire serial interface
Analog and digital lock detect
Hardware and software power-down mode
APPLICATIONS
Broadband wireless access
Satellite systems
Instrumentation
Wireless LANS
Base stations for wireless radios
GENERAL DESCRIPTION
The ADF4106 frequency synthesizer can be used to implement
local oscillators in the up-conversion and down-conversion
sections of wireless receivers and transmitters. It consists of a
low noise, digital phase frequency detector (PFD), a precision
charge pump, a programmable reference divider, programmable
A counter and B counter, and a dual-modulus prescaler (P/P + 1).
The A (6-bit) counter and B (13-bit) counter, in conjunction
with the dual-modulus prescaler (P/P + 1), implement an N
divider (N = BP + A). In addition, the 14-bit reference counter
(R Counter) allows selectable REFIN frequencies at the PFD
input. A complete phase-locked loop (PLL) can be implemented
if the synthesizer is used with an external loop filter and voltage
controlled oscillator (VCO). Its very high bandwidth means
that frequency doublers can be eliminated in many high
frequency systems, simplifying system architecture and
reducing cost.
FUNCTIONAL BLOCK DIAGRAM
02720-001
CLK
DATA
LE
REFIN
RFINA
RFINB
24-BIT INPUT
REGISTER
SDOUT
AVDD
DVDD
CE
AGND
DGND
14-BIT
R COUNTER
LATCH
22
14
FUNCTION
LATCH
A, B COUNTER
LATCH
FROM
FUNCTION
LATCH
PRESCALER
P/P + 1
N = BP + A
LOAD
13-BIT
B COUNTER
6-BIT
A COUNTER
6
19
13
M3 M2 M1
MUX
SDOUT
AVDD
HIGH Z
MUXOUT
CPGND
RSET
VP
CP
PHASE
FREQUENCY
DETECTOR
LOCK
DETECT
REFERENCE
CHARGE
PUMP
CURRENT
SETTING 1
ADF4106
CPI3 CPI2 CPI1
CPI6 CPI5 CPI4
CURRENT
SETTING 2
Figure 1.
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