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參數(shù)資料
| 型號(hào)： | VS-500-LFF-GNN-767.25MHZ |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | Voltage controlled clock SAW oscillator |
| 英文描述： | VOLTAGE CONTROLLED CLOCK SAW OSCILLATOR, 767.25 MHz |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 84K |
| 代理商： | VS-500-LFF-GNN-767.25MHZ |
32
Vectron International 267 Lowell Road, Hudson, NH 03051 Tel: 1-88-VECTRON-1 Web: www.vectron.com
Voltage Controlled Saw Oscillators (VCSO’s)
VS-500 Series
Description:
The VS-500 is a SAW based voltage controlled
oscillator that operates at the fundamental frequen-
cy of the internal SAW filter. This product is ideally
suited for SONET/SDH/10G Ethernet and other opti-
cal applications.
Features
Output Frequency 155 MHz to 800 MHz
3.3V or 5.0V operation
Low jitter, <1 ps rms across 50 kHz to 80 MHz
J-Lead package
Ideal for clock smoothing, frequency translation,
clock and data retiming applications
10K ECL, PECL logic levels with fast transition
times
Complementary outputs
Low profile, surface mount package
Output disable feature
Performance Characteristics
Parameter
Symbol
Minimum
Typical
Maximum
Units
Center Frequency (See Ordering Information)
FN
155.52
800
MHz
Operating Temperature
TOP
-40
25
+85
°C
Supply Current (No Load)
ICC
55
70
mA
Supply Voltage
VCC
2.97
3.3
3.63
V
Absolute Pull Range
(-40 to 85 Deg C, VC = 0.3 to 3.0 V)
APR
±50
-
ppm
Positive Gain Transfer @ 155.52 (3.3V)
KV
650
ppm/V
Positive Gain Transfer @ 622.08 (3.3V)
KV
430
ppm/V
Linearity1
Lin
±3
%
Frequency Stability (-40 to 85 Deg C)
FSTAB
±150
ppm
Mid Level Voltage
VCC-1.5
VCC-1.3
VCC-1.1
V
Output Voltage Swing (peak to peak)
500
650
800
mV
Output Rise Time3
tR
250
400
ps
Output Fall Time3
tF
250
400
ps
Jitter @ 155.52 MHz (12kHz to 20MHz)
0.694
Jitter @ 622.08 MHz (50 kHz to 80 MHz)
0.350
ps-rms
Spurious Suppression
50
60
dBc
Data Symmetry
SYM
45
55
%
Control Voltage Input Impedance
Zc
100
kW
Control Voltage Modulation Bandwidth
BW
-
500
-
kHz
Output Current
IOUT
--
20
mA
Table 2. Electrical Performance @ 25°C
1. Linearity is a best-fit straight line
2. Output Levels are standard 100K PECL compatible.
8798_AA's Vectron
05/30/02
3:11 PM
Page 32
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