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PDF VS-550 Data sheet ( Hoja de datos )
| Número de pieza | VS-550 | |
| Descripción | DUAL FREQUENCY VCSO | |
| Fabricantes | Vectron International | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de VS-550 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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VS-550
Dual Frequency VCSO
Features
• 9 x 14 x 3.5 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 Feature
Vcc COutput Output
SAW 1
SAW 2
Vc FS Gnd
Applications
PLL circuits for Clock Smoothing and Frequency Translation
Description
Standard
• 10G 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-550 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 J-lead 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: 25Apr05
1 page  
VS-550 Voltage Controlled SAW Oscillator
Typical Characteristics
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800
At Ambient (22.5°C)
Typical Gain Transfer @ 622.0800 = +393 ppm/V
600
Typical Gain Transfer @ 644.5313 = +372 ppm/V
400
200
0
-200
-400
-600
y = 393.01x - 555.91
y = 371.69x - 531.82
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
Typical Calculated Jitter @ Vc = 1.65V
-100
SONET OC-48 (12kHz-20MHz) = 0.239 ps-rms; 1.67 ps-pp
-105 SONET OC-192 (50kHz-80MHz) = 0.135 ps-rms; 0.95 ps-pp
OC-192 Spec
F1 = 622.0800
F2 = 644.5313
-110
-115
1/f3
-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: 25Apr05
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet VS-550.PDF ] | |
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