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參數資料
| 型號： | ADF4108BCPZ-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | XO, clock |
| 英文描述： | PLL Frequency Synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 8000 MHz, QCC20 |
| 封裝： | 4 X 4 MM, LEAD FREE, LFCSP-20 |
| 文件頁數： | 4/20頁 |
| 文件大?。?/td> | 350K |
| 代理商： | ADF4108BCPZ-RL |
ADF4108
Rev. 0 | Page 4 of 20
Parameter
NOISE CHARACTERISTICS
Normalized Phase Noise Floor
9
Phase Noise Performance
10
7900 MHz Output
11
Spurious Signals
7900 MHz Output
11
1
Operating temperature range (B version) is –40°C to +85°C.
2
The B chip specifications are given as typical values.
3
This is the maximum operating frequency of the CMOS counters. The prescaler value should be chosen to ensure that the RF input is divided down to a frequency that
is less than this value.
4
AV
DD
= DV
DD
= 3.3 V.
5
AC coupling ensures AV
DD
/2 bias.
6
Guaranteed by design. Sample tested to ensure compliance.
7
T
A
= 25°C; AV
DD
= DV
DD
= 3.3 V; P = 32; RF
IN
= 8 GHz, f
PFD
= 200 kHz, REF
IN
= 10 MHz.
8
T
A
= 25°C; AV
DD
= DV
DD
= 3.3 V; R = 16,383; A = 63; B = 891; P = 32; RF
IN
= 7.0 GHz.
9
This value can be used to calculate phase noise for any application. Use the formula –219 + 10 log(f
PFD
) + 20 logN to calculate in-band phase noise performance as seen
at the VCO output. The value given is the lowest noise mode.
10
The phase noise is measured with the EVAL-ADF4108EB1 evaluation board, with the Hittite HMC506LP4 VCO. The spectrum analyzer provides the REFIN for the
synthesizer (f
REFOUT
= 10 MHz @ 0 dBm).
11
f
REFIN
= 10 MHz; f
PFD
= 1 MHz; f
RF
= 7900 MHz; N = 7900; loop B/W = 50 kHz, VCO = HMC506LP4, spurs are dominated by the leakage current on the tuning port of the
HMC506LP4 VCO.
B Version
1
219
81
–61
B Chips
2
(Typ)
219
81
–61
Unit
dBc/Hz typ
dBc/Hz typ
dBc typ
Test Conditions/Comments
@ VCO output
@ 1 kHz offset and 1 MHz PFD frequency
@ 1 MHz offset and 1 MHz PFD frequency
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| ADF4108BCPZ-RL7 | 功能描述:IC PLL FREQUENCY SYNTH 20-LFCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發生器，PLL，頻率合成器 系列:- 標準包裝:1,000 系列:Precision Edge® 類型:時鐘/頻率合成器 PLL:無 輸入:CML，PECL 輸出:CML 電路數: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? 供應商設備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) 其它名稱:SY58052UMGTRSY58052UMGTR-ND |
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| ADF4108L703F | 制造商:AD 制造商全稱:Analog Devices 功能描述:PLL Frequency Synthesizer |
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