Dual Frequency VCSO
High Frequency
VS-402
VS-402
Description
The VS-402 dual frequency VCSO (Voltage Controlled Saw Oscillator) from Vectron is a high frequency, ultra low phase noise
oscillator designed to support high speed data converters and 100G coherent optical receivers. The VS-402 provides 12fs rms
jitter in the 12kHz to 20MHz integration bandwidth and is available from 1GHz to 2.5GHz. Two frequencies are switchable.
Features
•
•
•
•
•
•
•
•
Frequency Range 1.0 to 2.5 GHz
Dual Frequency
Ultra low jitter performance
Typical Jitter: 12fsec rms, 12kHz to 20MHz
3.3 supply voltage
Output sinewave + balanced sinewave
13x20 mm SMD package
See table on Page 5 for standard frequencies
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Applications
High Speed ADCs
40G / 100G / 200G Coherent Receivers
Test & Measurement
Performance Specifications
Pulling Characteristics
Parameter
Absolute Pull Range (APR)
Min
±20
Typ
Max
Units
ppm
Notes
Includes df vs:
•Operating temperature range +10 .. 85°C
•Aging 10 years
•Supply Voltage Change 5%
•Load change 10%
with V
S
= 3.3V
Tuning Slope
Control Voltage Range
Frequency control input
impedance
Supply voltage
Current consumption
0
10
1.65
Positive
3.3
VDC
kΩ
Supply Voltage (Vs)
3.135
3.3
3.465
100
VDC
mA
@ Sinewave / Balanced Sinewave
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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Performance Specifications (Continued)
RF Output
Parameter
Signal
Load
Output Power
Signal
Load
Output Power
Phase difference between
output signal pairs
Subharmonics
Phase Noise: 100Hz offset
Phase Noise: 1kHz offset
Phase Noise: 10kHz offset
Phase Noise: 100kHz offset
Phase Noise: 1MHz offset
Phase Noise: 10MHz offset
Jitter: 12kHz to 20MHz offset
Phase Noise: 100Hz offset
Phase Noise: 1kHz offset
Phase Noise: 10kHz offset
Phase Noise: 100kHz offset
Phase Noise: 1MHz offset
Phase Noise 10MHz offset
Jitter: 12kHz to 20MHz offset
Phase Noise: 100Hz offset
Phase Noise: 1kHz offset
Phase Noise: 10kHz offset
Phase Noise: 100kHz offset
Phase Noise: 1MHz offset
Phase Noise: 10MHz offset
Jitter: 12kHz to 20MHz offset
-63
-92
-119
-141
-155
-163
12
-62
-92
-118
-140
-155
-161
13
-64
-94
-118
-138
-151
-160
11
45
0
45
7
50
8.5
50
3
Min
Typ
Max
Sinewave
55
12
55
6
±10
-30
Units
Ω
dBm
Ω
dBm
0
dBc
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs rms
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs rms
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs rms
Notes
Balanced Sinewave
@ 1.75GHz
Sinewave
@ 1.98GHz
Balanced Sinewave
@ 2.46GHz
Balanced Sinewave
Additional Parameters
Weight
Processing and Packing
2.0g
Handling and Processing Note
Absolute Maximum Ratings
Parameter
Supply Voltage (V
S
)
Operable Temperature Range
Storage Temperature Range
-40
-55
Min
Max
6.0
+85
+125
Units
V
0C
0C
Notes
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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Typical Performance
Phase Noise
VS-402 @ 1.75GHz Sinewave
Phase Noise
VS-402 @ 1.97GHz Balanced Sinewave
Phase Noise
VS-402 @ 2.46GHz Balanced Sinewave
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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Outline Drawing / Enclosure
Package Codes
Code
G212
Height “H”
5.9
Pin Length “L”
NA
Dimensions in mm
Pin Assignment (Sinewave)
1
2
6
7
8
9
14
Control Voltage (V
C
)
Frequency Select
GND
GND
RF Out
GND
Supply Voltage Input (V
S
)
Pin Assignment (Balanced Sinewave)
1
2
6
7
8
9
14
Control Voltage (V
C
)
Frequency Select
GND
GND
RF Out
RF Out compl. (180° phase shifted)
Supply Voltage Input (V
S
)
Marking
VS-402-xxxx
Frequency_1/Frequency_2
•AYYWW
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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Standard Shipping Method
Enclosure Type
G212
Tape Width W (mm)
24
Quantity per meter
Quantity per reel
500
Dimension P
12
Recommended Reflow Profile
Profile Feature
Average ramp-up rate (T
L
to T
P
)
Preheat - Temperature Min T
Smin
-Temperature Min T
Sma
-Time (min to max) t
S
T
Smax
to T
L
-Ramp-up Rate
Time maintained above
-Temperature (T
L
)
-Time (t
L
)
Peak Temperature (T
P
)
Pb-Free Assembly/Sn-Pb As-
sembly
3°C/second max.
150°C
200°C
60-180 seconds
3°C/second max
217°C
60-150 seconds
max 260°C
Profile Feature
Time 25°C to Peak Temperature
Time maintained above
-Temperature (T
L
)
-Time (t
L
)
Time within 5°C of actual Peak-
Temperature (t
P
)
Ramp-down Rate
Pb-Free Assembly/Sn-Pb
Assembly
8 minutes max.
217°C
60-150 seconds
20-40 seconds
6°C/ second max
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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