VS-501
Voltage Controlled SAW Oscillator
VS-501
Description
The VS-501 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-501 provides 12fs rms jitter in a 12kHz to
20MHz integration bandwidth and is available from 1.3GHz to 1.8GHz.
Features
•
•
•
•
•
•
•
Frequency Range 0.8 to 2.5 GHz
Ultra low jitter performance
Typical Jitter: 12fsec rms, 12kHz to 20MHz
3.3 + 5V supply voltage
Output: Sinewave, balanced Sinewave, LVPECL
9x14 mm SMD package
See table on Page 5 for standard frequencies
•
•
•
Applications
High Speed ADCs
40G & 100G 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%
Positive
with V
S
= 5V
with V
S
= 3.3V
Tuning Slope
Control Voltage Range
Frequency control input
impedance
Modulation bandwidth
Supply voltage (standard)
Current consumption
Supply voltage (standard)
Current consumption
3.135
3.3
0.5
0
100
20
2.5
1.65
4.5
3.3
V DC
VDC
kΩ
kHz
@ -3dB
Supply Voltage (Vs)
4.75
5.00
5.25
100
3.465
150
V DC
mA
V DC
mA
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
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
Signal
Load
Output Power
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
Signal
Load
Duty Cycle
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
Signal
Load
Output Power
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
45
0
45
45
-61
-89
-113
-139
-148
-151
22
Balanced Sinewave
50
3
-52
-89
-117
-138
-155
-164
11
55
6
Ω
dBm
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs rms
@ 2.45GHz
Balanced Sinewave
3.3V
50
45
0
45
7
50
8.5
-68
-96
-122
-145
-156
-160
12
Balanced Sinewave
50
3
-64
-93
-119
-142
-155
-164
9
LVPECL
55
55
Ω
%
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs rms
@ 1.98GHz
LVPECL
3.3V
55
6
Ω
dBm
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs rms
@ 1.98GHz
Balanced Sinewave
3.3V
Min
Typ
Max
Sinewave
55
12
Units
Ω
dBm
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs rms
Notes
@ 1.7GHz
Sinewave
5V
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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Performance Specifications (Continued)
Additional Parameters
Parameter
Weight
Subharmonics
Processing and Packing
Min
2.0g
Max
-30
-25
Units
dBc
dBc
< 2 GHz
> 2 GHz
Notes
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
Typical Performance
Phase Noise
VS-501 @ 1.7GHz Sinewave
Phase Noise
VS-501 @ 1.98GHz Balanced Sinewave
Phase Noise
VS-501 @ 1.98GHz LVPECL
Phase Noise
VS-501 @ 2.45GHz 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
G218C
G218H
Height “H”
2.8
4.9
Pin Length “L”
N/A
N/A
Dimensions in mm
1
2
3
4
5
6
Pin Assignment Sinewave
Control Voltage (V
C
)
GND
GND
RF Out
GND
Supply Voltage Input (V
S
)
Pin Assignment Balanced Sinewave
1
2
3
4
5
6
Control Voltage (V
C
)
GND
GND
RF Out
RF-Out_Compl. 180° phase shifted
Supply Voltage Input (V
S
)
Pin Assignment LVPECL
1
2
3
4
5
6
Control Voltage (V
C
)
GND
GND
RF Out
RF-Out_complementary
Supply Voltage Input (V
S
)
Marking
VS-501-xxxx
Frequency
•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
G218C
G218H
Tape Width W (mm)
24
24
Quantity per meter
Quantity per reel
1700
850
Dimension P (mm)
12
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
Assembly
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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