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VS750 Datasheet Preview

VS750 Datasheet

DUAL FREQUENCY VCSO

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Preliminary Data Sheet
VS-750
Dual Frequency VCSO
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
Output Disable
Patent Pending Technology
Fully Compatible for Lead Free Assembly Pb
Vcc COutput
SAW 1
SAW 2
Output
Vc OD FS
Gnd
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-750 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.” It
also has an output disable to facilitate on-board testing.
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Page 1 of 7
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Rev: 03Mar05



Vectron
Vectron

VS750 Datasheet Preview

VS750 Datasheet

DUAL FREQUENCY VCSO

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VS750 pdf
www.DataSheet4U.com
VS-750 Voltage Controlled SAW Oscillator
Preliminary Data Sheet
Electrical Performance
Parameter
Frequency
Nominal Frequency
Absolute Pull Range
Linearity
Gain Transfer (See Pg 5)
Temperature Stability
Transition Time
Supply
Voltage
Current (No Load)
Outputs
Mid Level
Swing
Current
Rise Time
Fall Time
Symmetry
Spurious Suppression
Jitter (See Pg 5)
Control Voltage
Input Impedance
Modulation Bandwidth
Operating Temperature
Package Size
Symbol Minimum Typical Maximum Units Notes
fN
APR
Lin
KV
fSTAB
500 - 850
±50
±5
+405
±100
4
MHz
ppm
%
ppm/V
ppm
µsec
1,2,3
1,2,3,8
2,4,8
2,8
1,6
6
VCC 2.97
3.3
3.63
V 2,3
ICC 55 70 mA 3
IOUT
tR
tF
SYM
φJ
VCC-1.4
550
45
50
VCC-1.3
650
250
250
50
60
0.130
VCC-1.2
950
20
400
400
55
0.250
V
mV-pp
mA
ps
ps
%
dBc
ps-rms
2,3
2,3
6
5,6
5,6
2,3
6
6,7
Zc 100 k6
BW 500 kHz 6
TOP -40
85 °C 1,3
5.0 x 7.5 x 2.5
mm
1. See Standard Frequencies and Ordering Information (Pg 7).
2. Parameters are tested with production test circuit below (Fig 1).
3. Parameters are tested at ambient temperature with test limits guardbanded for specified operating temperature.
4. Measured as the maximum deviation from the best straight-line fit, per MIL-0-55310.
5. Measured from 20% to 80% of a full output swing (Fig 2).
6. Not tested in production, guaranteed by design, verified at qualification.
7. Integrated across 50 kHz to 80 MHz, per GR-253-CORE Issue3.
8. Tested with Vc = 0.3V to 3.0V.
Vc (-1.0V to +1.7V) 1 12
OE (-0.58V), OD (+0.59V)
2
F1 (-0.58V), F2 (+0.59V) 3 10
Vcc (+2V)
COutput
Vee (-1.3V)
5
8
Output
-1.3V: 5,13
Gnd: 4,6,7,9,11,14
5050
Test Circuit Notes:
1) To Permit 50Measurement of Outputs, all DC Inputs are Biased Down 1.3V.
2) All Voltage Sources Contain Bypass Capacitors to Minimize Supply Noise.
3) 50Terminations are Within Test Equipment.
80%
20%
tR
tF
tA
tB
SYM = 100 x tA / tB
Vcc - 1.0V
Vcc - 1.3V
Vcc - 1.6V
Figure 1. Test Circuit
Figure 2. 10K LV-PECL Waveform
Vectron International, 267 Lowell Rd, Hudson NH 03051-4916
Page 2 of 7
Tel: 1-88-VECTRON-1
Website: www.vectron.com
Rev: 03Mar05


Part Number VS750
Description DUAL FREQUENCY VCSO
Maker Vectron
Total Page 7 Pages
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