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参数资料
| 型号： | VFTX140-GE-FREQ |
| 厂商： | VALPEY FISHER CORP |
| 元件分类： | TCVCXO, clock |
| 英文描述： | TCVCXO, CLOCK, 200 MHz - 1000 MHz, PECL OUTPUT |
| 封装： | ROHS COMPLIANT, SMD, 7 PIN |
| 文件页数： | 1/3页 |
| 文件大小： | 156K |
| 代理商： | VFTX140-GE-FREQ |
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 FAX 508-435-5289 www.valpeyfisher.com RevB1106
1
VFTX140
Stratum 3 TCXO to 1.0 GHz
25.4x22mm SMD, PECL/LVPECL
Electrical Specifications
Description
The VFTX140 is a Stratum 3 TCXO capable of providing an output frequency up to 1 GHz. The temperature
stability is less than 0.28 ppm over a temperature range of -20 C to + 70 C. Operating with a +3.3 volt power
supply the device typically consumes 220 mW. The device contains an internal voltage regulator for improved
stability and noise performance. The output is configured as a differential LVPECL signal and requires external
termination resistors. The VFTX140 is available in a 25.4mm x 22 mm surface mount package.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Note
Frequency
Range
F
200
1,000
MHz
Vs. Operating Temperature
D:
-20
°C to +70°C
G:
-40
°C to +85°C
±0.28
±0.50
ppm
Frequency
Stability
F/F
Overall conditions including
aging 20 years
±4.6
ppm
Operating
Temperature
Range
T
-20
°
-40
°
+70
°
+85
°
°C
Order Code D
Order Code G
Output
Signal
LVPECL
Supply
Voltage
Vcc
3.15
3.30
3.45
V
Voltage
Control
Vc
0
3.3
V
Input
Impedance
10K
APR
± 5
ppm
Deviation
slope
Monotonic positive
Linearity
-10
+10
ppm/V
Modulation
BW
10
Hz
3dB BW
Features
Stratum 3 Timing Source
200MHz to 1.0 GHz Frequency Range
Ultra Low Jitter and Phase Noise: -118 dBc/Hz @ 1KHz
Low Power: <220mW typical
Applications
Sonet / SDH / ATM
10 Gigabit Ethernet
Digital Wireless Reference
RoHS Status
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