參數(shù)資料
型號(hào): AD9852ASTZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 8/52頁(yè)
文件大?。?/td> 0K
描述: IC DDS SYNTHESIZER CMOS 80-LQFP
產(chǎn)品培訓(xùn)模塊: Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action
Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter
Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction
Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter
Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator
標(biāo)準(zhǔn)包裝: 1
分辨率(位): 12 b
主 fclk: 200MHz
調(diào)節(jié)字寬(位): 48 b
電源電壓: 3.14 V ~ 3.47 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 552 (CN2011-ZH PDF)
配用: AD9852/PCBZ-ND - BOARD EVAL FOR AD9852
AD9852
Rev. E | Page 16 of 52
TYPICAL APPLICATIONS
RF/IF
INPUT
BASEBAND
REFCLK
COS
AD9852
LOW-PASS
FILTER
00634-025
Figure 25. Synthesized LO Application for the AD9852
I
Q
Rx
RF IN
DUAL
8-/10-BIT
ADC
DIGITAL
DEMODULATOR
Rx BASEBAND
DIGITAL
DATA OUT
8
I/Q MIXER
AND
LOW-PASS
FILTER
VCA
ADC ENCODE
ADC CLOCK FREQUENCY
LOCKED TO Tx CHIP/
SYMBOL/PN RATE
REFERENCE
CLOCK
48
CHIP/SYMBOL/PN
RATE DATA
AD9852
CLOCK
GENERATOR
AGC
00634-026
Figure 26. Chip Rate Generator in Spread Spectrum Application
50
Ω
BAND-PASS
FILTER
50
Ω
IOUT
AD9852
FUNDAMENTAL
FC – FO
IMAGE
FCLK
FC + FO
IMAGE
BAND-PASS
FILTER
FC + FO
IMAGE
AD9852
SPECTRUM
FINAL OUTPUT
SPECTRUM
AMPLIFIER
00634-027
Figure 27. Using an Aliased Image to Generate a High Frequency
LOOP
FILTER
PHASE
COMPARATOR
REFERENCE
CLOCK
FILTER
AD9852
DDS
TUNING
WORD
REFCLK IN
RF FREQUENCY
OUT
DAC OUT
PROGRAMMABLE
DIVIDE-BY-N FUNCTION
(WHERE N = 248/TUNING WORD)
VCO
00634-028
Figure 28. Programmable Fractional Divide-by-N Synthesizer
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