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参数资料
| 型号： | RFPT400TLF |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO4 |
| 封装： | 5 X 3.20 MM, ROHS COMPLIANT PACKAGE-4 |
| 文件页数： | 1/4页 |
| 文件大小： | 112K |
| 代理商： | RFPT400TLF |
RFPT400
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Low cost SMD Temperature Compensated Crystal Oscillator for indoor wireless
infrasture applications e.g femtocells
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The RFPT400 is a high stability SMD TCVCXO designed and specified specifically to meet
the short-term stability requirements for indoor wireless infra-structure products, e.g
femtocells.
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Product description
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The RFPT400 is a high stability SMD TCVCXO designed and specified specifically to meet
the short-term stability requirements for indoor wireless infra-structure products at a
fraction of the cost of oven-stabilised oscillators. Using Rakon's advanced fourth-order
analogue frequency compensation system 'Pluto', the TCVCXO achieves unrivalled
control of frequency variation with respect to temperature over the critical indoor
temperature range. The stability of the RFPT400 allows a local area Base Station (BS) to
achieve the frequency accuracy requirements of ETSI TS 125 104 without the need for
minute-by-minute monitoring and adjustment. The BS's reliance on external sources of
frequency compensation is reduced to an approximately once-per-week rate with a
corresponding significant reduction in network load and infrastructure cost.
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Applications
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Femtocell
Basestation
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Features
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0°C~70°C, stability±100pb
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Specifications
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1.0
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SPECIFICATION REFERENCES
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Line
Parameter
Test Condition
1.1
Model description
RFPT400
1.2
RoHS compliant
Yes. Part numbers with suffix'LF'
1.3
Package size available
5.0mm x 3.2mm
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2.0
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FREQUENCY CHARACTERISTICS
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Line
Parameter
Test Condition
Value
Unit
2.1
Frequency range
Frequency range available
10 to 30
MHz
2.2
Frequency calibration
Frequency offset at 25°C, sixty minutes after reflow
2 max
±ppm
2.3
Frequency stability
over temperature
Over 0°C ~ 70°C (dF/dT ≤ 1°C/min) at fixed supply voltage and load
100 max
±ppb
2.4
Temperature range
0 to 70
°C
2.5
Supply voltage stability
±2% variation in supply voltage at 25°C
10 max
±ppb
2.6
Load sensitivity
±2% variation in magnitude from 10k//10pF
5 max
±ppb
2.7
Ageing
Ageing rate following reflow after day 1. (Typically <10±ppb/day)
±ppb/day
2.8
Ageing
Ageing rate following reflow after day 7. (Typically <3±ppb/day)
±ppb/day
2.9
Ageing
Ageing rate following reflow after day 30. (Typically <1±ppb/day)
±ppb/day
2.10
Long term stability
Long term stability after 1 year
1000 max
±ppb
2.11
Long term stability
Long term stability after 5 years
1500 max
±ppb
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3.0
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POWER SUPPLY
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Line
Parameter
Test Condition
Value
Unit
3.1
Supply voltage
Typical:
3.3
V
3.2
Current
load 10k//10pF
3 max
mA
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4.0
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CONTROL VOLTAGE
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Line
Parameter
Test Condition
Value
Unit
4.1
Control voltage range
Customisable on request. Typical:
0.5 to 2.5
V
4.2
Frequency tuning
4.5 to 10
±ppm
4.3
Port input impedance
100
kΩ
4.4
Slope
Positive
4.5
Linearity
In accordance with MIL-PRF-55310
0.2 max
%
4.6
Linearity
In accordance with MIL-PRF-55310. Typically 0.05%
%
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5.0
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OSCILLATOR OUTPUT-CLIPPED SINEWAVE
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Line
Parameter
Test Condition
Value
Unit
5.1
Output waveform
Clipped sinewave, DC coupled
5.2
Output voltage level
0.8 to 2
Vpp
5.3
Output load resistance
10
kΩ
5.4
Output load
capacitance
10
pF
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Rakon Product Specification
Page 1
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