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參數(shù)資料
| 型號(hào)： | ADF4360-2BCP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Integrated Synthesizer and VCO |
| 中文描述： | TELECOM, CELLULAR, BASEBAND CIRCUIT, QCC24 |
| 封裝： | 4 X 4 MM, MO-220-VGGD-2, LFCSP-24 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大?。?/td> | 336K |
| 代理商： | ADF4360-2BCP |
PRELIMINARY TECHNICAL DATA
REV. PrA 07/03
–16–
0
P
ADF4360-2
APPLICATIONS SECTION
DIRECT CONVERSION MODULATOR
Direct Conversion Architectures are being increasingly used
to implement base station transmitters. Figure 7 shows how
ADI parts can be used to implement such a system.
The circuit block diagram shows the AD9761 TxDAC being
used with the AD8349. The use of dual integrated DAC’s
such as the the AD9761 with specified
0.004dB gain and offset matching characteristics ensures
minimum error contribution (over temperature) from this
portion of the signal chain.
The Local Oscillator is implemented using the ADF4360-2.
The low-pass filter was designed using ADIsimPLL, for a
channel spacing of 100kHz and an open-loop bandwidth
chosen of 10kHz. The frequency range of the ADF4360-2
(1.8-2.15GHz) makes it ideally suited for implementation of a
W-CDMA transceiver.
0.02dB and
The LO ports of the AD8349 can be driven differentially
from the complementary RFoutA and RFoutB outputs of the
ADF4360-2. This gives a better performance than a single-
ended LO driver, and eliminates the often necessary use of a
balun to convert from a single-ended LO input to the more
desireable differential LO inputs for the AD8349. The typical
rms phase noise (100Hz-100kHz) of the LO in this
configuration is 2.1 degrees.
The AD8349 accepts LO drive levels from -10 to 0dBm. The
optimum LO power can be software programmed on the
ADF4360-2, which allows levels from -12 to -3 dBm from
each output.
The RF output is designed to drive a 50
load, but must be
AC-coupled as shown in Figure 8. If the I and Q inputs are
driven in quadrature by 2V p-p signals, the resulting output
power from the modulator will be around +2dBm.
Figure 8. Direct Conversion Modulator
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| ADF4360-2BCPZ | 功能描述:IC SYNTHESIZER/VCO 24-LFCSP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:PLL 頻率合成器 PLL:是 輸入:晶體 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/無 頻率 - 最大:1GHz 除法器/乘法器:是/無 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-LSSOP（0.175"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:NJW1504V-TE1-NDNJW1504V-TE1TR |
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| ADF4360-2BCPZRL7 | 功能描述:IC SYNTHESIZER VCO 24LFCSP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:Precision Edge® 類型:時(shí)鐘/頻率合成器 PLL:無 輸入:CML，PECL 輸出:CML 電路數(shù):1 比率 - 輸入:輸出:2:1 差分 - 輸入:輸出:是/是 頻率 - 最大:10.7GHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) 其它名稱:SY58052UMGTRSY58052UMGTR-ND |
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