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PDF VS-751 Data sheet ( Hoja de datos )
| Número de pieza | VS-751 | |
| Descripción | DUAL FREQUENCY VCSO | |
| Fabricantes | Vectron | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de VS-751 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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VS-751
Dual Frequency VCSO
Vcc COutput Output
SAW 1
SAW 2
Vc FS Gnd
Features
5 x 7.5 x 2.5 mm Package
Output Frequencies from 500 MHz to 850 MHz
3.3 V Operation
Low Jitter < 0.25 ps-rms across 50 kHz to 80 MHz
LV-PECL Configuration with Fast Transition Times
Complementary Outputs
Frequency Select
Patent Pending Technology
Pb Product is free of lead and compliant to
EC RoHS Directive
Applications
PLL circuits for Clock Smoothing and Frequency Translation
Description
Standard
1-2-4 Gigabit Fibre Channel
INCITS 352-2002
10 Gigabit Fibre Channel
INCITS 364-2003
10GbE LAN / WAN
IEEE 802.3ae
OC-192
ITU-T G.709
SONET / SDH
GR-253-CORE Issue3
Description
The VS-751 is a SAW based voltage controlled oscillator that
operates at the fundamental frequencies of the internal SAW
filters. These SAW filters are high-Q quartz devices that
enable the circuit to achieve low phase jitter performance over
a wide operating temperature range. The dual oscillator is
housed in a hermetically sealed leadless surface mount
package offered on tape and reel. It has a frequency select
function that enables either “Frequency 1” or “Frequency 2.”
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Page 1 of 7
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Rev: 09Jan06
1 page  
VS-751 Voltage Controlled SAW Oscillator
Typical Characteristics
800
At Ambient (22.5 C)
600 Typical Gain Transfer @ 622.0800 = +415 ppm/V
Typical Gain Transfer @ 644.5313 = +399 ppm/V
400
200
0
-200
-400
-600
y = 415.29x - 605.56
y = 398.69x - 578.48
622 Vc Pull
644 Vc Pull
Linear (622 Vc Pull)
Linear (644 Vc Pull)
-800
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
Control Voltage (V)
3
-95
-100
-105
-110
-115
Typical Calculated Jitter @ Vc = 1.65V
SONET OC-48 (12kHz-20MHz) = 0.23 ps-rms; 1.61 ps-pp
SONET OC-192 (50kHz-80MHz) = 0.13 ps-rms; 0.91 ps-pp
1/f3
OC-192 Spec
F1 = 622
F2 = 644
-120
-125
1/f2
-130
-135
-140
1/f1 OC-192 Spec Equivalent to
0.25 ps-rms @ 500 MHz
-145
-150
-155
10
100
1,000
10,000
Offset (kHz)
100,000
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Page 5 of 7
Tel: 1-88-VECTRON-1 Website: www.vectron.com
Rev: 09Jan06
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet VS-751.PDF ] | |
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