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參數(shù)資料
| 型號： | ADF4360-4BCP |
| 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)： | 17/20頁 |
| 文件大小： | 336K |
| 代理商： | ADF4360-4BCP |
PRELIMINARY TECHNICAL DATA
ADF4360-2
REV. PrA 07/03
–17–
FIXED FREQUENCY LO:
The following diagram shows the ADF4360-2 used as a fixed
frequency LO at 2.0GHz. The low-pass filter was designed
using ADIsimPLL, for a channel spacing of 8MHz and an
open-loop bandwidth of 45kHz. 8MHz is the maximum PFD
frequency of the ADF4360-2. Since using a larger PFD
frequency allows us to use a smaller N. The In-band phase
noise is reduced to as low as possible, -99dBc/Hz. The 40kHz
bandwidth is chosen to be just greater than the point at which
open-loop phase-noise of the VCO is -99dBc/Hz, thus giving
the best possible Integrated noise. The typical rms phase
noise (100Hz-100kHz) of the LO in this configuration is 0.3
degrees.
The reference frequency is from a 16MHz TCXO from Fox.
Thus an R value of 2 is programmed. Taking account of the
high PFD frequency, and the effect this has on the band
select logic, the band select clock divider is enabled. In this
case a value of 8 is chosen. A very simple pull-up resistor and
DC blocking capacitor complete the RF output stage.
Figure 9. Single Frequency LO.
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| ADF4360-4BCPRL | 制造商:Analog Devices 功能描述:PLL Frequency Synthesizer Single 24-Pin LFCSP EP T/R |
| ADF4360-4BCPRL7 | 制造商:Analog Devices 功能描述:PLL Frequency Synthesizer Single 24-Pin LFCSP EP T/R |
| ADF4360-4BCPZ | 功能描述:IC INT SYNTH/VCO SEALED 24-LFCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(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 |
| ADF4360-4BCPZ | 制造商:Analog Devices 功能描述:IC FREQ SYNTHESIZER & VCO 1.45GHZ LFCSP 制造商:Analog Devices 功能描述:IC, FREQ SYNTHESIZER & VCO 1.45GHZ LFCSP |
| ADF4360-4BCPZKL1 | 制造商:Analog Devices 功能描述: |
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