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參數資料
| 型號： | ABFT-20.000MHZ-T |
| 廠商： | Abracon Corporation |
| 文件頁數： | 1/5頁 |
| 文件大?。?/td> | 0K |
| 描述： | FREQ TRANSLATOR JITTER ATTEN |
| 標準包裝： | 1,000 |
| 類型： | * |
| 輸入： | 時鐘 |
| 輸出： | LVCMOS |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 頻率 - 最大： | 20MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 4-SMD，無引線 |
| 供應商設備封裝： | SMD |
| 包裝： | 帶卷 (TR) |
ABFT
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STANDARD SPECIFICATIONS:
FEATURES:
APPLICATIONS:
Pb RoHS
Compliant
30332
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tel 949-546-8000
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Revised: 03.01.12
Visit
5x7x2 mm SMT, RoHS Compliant reflow-able package
Frequency translation to either 20MHz or 40MHz carrier @ +3.3V Supply Voltage
Industrial operating temperature range (-40C to +85C)
LVCMOS Output
Internal absolute pull range > ±100 ppm allowing for long term drift correction
ABRACON IS
CERTIFIED
ABRACON IS
ISO9001:2008
CERTIFIED
Frequency Translator / Jitter Attenuator
Frequency translation, clock smoothing and jitter attenuation of the input
10MHz reference
Datacom - DSLAM, DSLAR, Access Nodes
Cable modem head end
Base Station - GSM, CDMA
Telecom - SONET/SDH/ATM
GENERAL DESCRIPTION
The ABFT series is an Ultra Low Jitter VCXO based frequency translator; ideally suited to improve Jitter characteristics of the input signal. This device is
designed to provide input clock smoothing - while providing Phase and Frequency Locked higher frequency translated output.
Typical application will take a 10MHz reference frequency and phase & frequency lock it to either a 20MHz or a 40MHz Low Jitter VCXO. The implemented
technology significantly attenuates the jitter content of the 10MHz reference signal; while keeping the higher frequency RF Output - Frequency and Phase
Coherent with the input 10MHz reference signal.
Parameters
Minimum
Typical
Maximum
Units
Notes
Resonant Frequency
20.000
Or
40.00
MHz
See options
Operating Temperature
-40
+85
°C
Storage Temperature
-40
+85
°C
Supply Voltage (Vdd)
3.135
3.3
3.465
V
3.3V±5%
Input Signal Characteristics
Frequency
Signal level
9.999800
0.300
10.000000
10.000200
3.3
MHz
Vp-p
Input signal must be
with-in ±20.00 ppm
from 10.00MHz
carrier for the ABFT
device to achieve lock
Lock Time
< 20
50
ms
Frequency Stability Over Temperature
(Note # 1)
-25.00
+25.00
ppb
Referenced to the
stable input reference
of 10.00MHz (such as
a Stratum-III TCXO
or an OCXO)
Internal Frequency Pull Range
±100.00
ppm
This is the internal
pull range of the
ABFT device
providing sufficient
correction range to
account for internal
aging, stand-alone
temperature variation,
etc.
Supply Current (IDD)
< 14.0
20.00
mA
Under Lock
RF output Characteristics
Output Load:
Rise Time (Tr)
Fall Time (Tf)
Symmetry
Output Voltage ( VOH)
Output Voltage ( VOL)
45
0.9*Vdd
853
526
48/52
15||10
1200
55
0.1*Vdd
pF||k
ps
%
V
@1/2Vdd
Stand alone Aging (Note # 2)
-5.0
+5.0
ppm
@+25°C First year
-12.0
+12.0
@+25°C After 10
years
(Note # 1):The frequency stability over temperature of the ABFT device is greatly dependant on the short term perturbations of the input reference signal.
(Note # 2):The Aging characteristics of the Quartz used inside the ABFT solution are such that, the stand-alone aging will not exceed ±12.00 ppm over a
10-year product life; referenced to the initial measured frequency post reflow in end application
5.00 x 7.00 x 2.0mm
Moisture Sensitivity Level (MSL)–This product is not Moisture Sensitive MSL = N/A: Not Applicable
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