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參數(shù)資料
型號： AD9959/PCBZ
廠商： Analog Devices Inc
文件頁數(shù)： 20/44頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD9959
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
設(shè)計(jì)資源： Phase Coherent FSK Modulator (CN0186)
AD9958/59 Eval Brd Schematics
AD9958/59 Eval Brd Gerber Files
AD9959 Eval Brd BOM
標(biāo)準(zhǔn)包裝： 1
主要目的： 計(jì)時(shí)，直接數(shù)字合成（DDS）
嵌入式： 否
已用 IC / 零件： AD9959
主要屬性： 10 位數(shù)模轉(zhuǎn)換器，32 位調(diào)節(jié)字寬
次要屬性： 4 通道
已供物品： 板，線纜，軟件
其它名稱： AD9959/PCB
AD9959/PCB-ND
Q2548077
AD9959
Rev. B | Page 27 of 44
05
24
6-
04
7
FTW0
SINGLE-TONE
MODE
LINEAR SWEEP MODE ENABLE—NO-DWELL BIT SET
FTW1
AA
A
B
BB
fOUT
TIME
P0 = 1
P0 = 0
P0 = 1
P0 = 0
Figure 38. Linear Sweep Mode (No-Dwell Enabled)
05
24
6-
0
48
FTW0
SINGLE-TONE
MODE
LINEAR SWEEP MODE
AT POINT A: LOAD RISING RAMP RATE REGISTER, APPLY RDW<31:0>
AT POINT B: LOAD FALLING RAMP RATE REGISTER, APPLY FDW<31:0>
P0 = 1
P0 = 0
TIME
FTW1
A
B
fOUT
Figure 39. Linear Sweep Mode (No-Dwell Disabled)
SWEEP AND PHASE ACCUMULATOR CLEARING
FUNCTIONS
The AD9959 allows two different clearing functions. The first
is a continuous zeroing of the sweep logic and phase accumula-
tor (clear and hold). The second is a clear and release or automatic
zeroing function. CFR[4] is the autoclear sweep accumulator bit
and CFR[2] is the autoclear phase accumulator bit. The continuous
clear bits are located in CFR, where CFR[3] clears the sweep
accumulator and CFR[1] clears the phase accumulator.
Continuous Clear Bits
The continuous clear bits are static control signals that, when
active high, hold the respective accumulator at 0 while the bit is
active. When the bit goes low, the respective accumulator is
allowed to operate.
Clear and Release Bits
The autoclear sweep accumulator bit, when set, clears and
releases the sweep accumulator upon an I/O update or a change
in the profile input pins. The autoclear phase accumulator bit,
when set, clears and releases the phase accumulator upon an
I/O update or a change in the profile pins. The automatic
clearing function is repeated for every subsequent I/O update or
change in profile pins until the clear and release bits are reset
via the serial port.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD995PCBZ 制造商:AD 制造商全稱:Analog Devices 功能描述:1 GSPS Quadrature Digital Upconverter w/18-Bit IQ Data Path and 14-Bit DAC
AD9960BSTZ 功能描述:RFID應(yīng)答器 MxFE for RFID Reader Transceiver RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
AD9960BSTZRL 功能描述:IC MXFE FOR RFID READER/TXRX RoHS:是 類別:RF/IF 和 RFID >> RFID IC 系列:AD9960B 其它有關(guān)文件:CR14 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- RF 型:收發(fā)器 頻率:13.56MHz 特點(diǎn):ISO14443-B 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SO 包裝:Digi-Reel® 其它名稱:497-5719-6
AD9960XSTZ 制造商:Analog Devices 功能描述:SINGLE-SUPPLY CABLE MODEM/SET-TOP BOX MIXED-SIGNAL FRONT END - Trays
AD9961 制造商:AD 制造商全稱:Analog Devices 功能描述:10-/12-Bit, Low Power, Broadband MxFE
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