VCXO
Page 1 of 3
VS9: FUNDAMENTAL LVPECL SERIES: HF VCXO, LVPECL, +3.3 VDC
DESCRIPTION: A voltage crystal controlled oscillator, high frequency, highly stable oscillator, adhering to Low Voltage
Differential Signaling (LVPECL) Standards. The output can be Tri-stated to facilitate testing or combined multiple clocks. The
device is contained in a sub-miniature, very low profile, leadless ceramic SMD package with 6 gold contact pads. This miniature
oscillator is ideal for today's automated assembly environments.
APPLICATIONS AND FEATURES:
"
"
"
"
"
"
Infiniband; Fiber Channel; SATA; 10GbE; Network Processors; SOHO Routing; SONET/SDH
Common Frequencies: 38.88 MHz; 77.76MHz; 155.52 MHz; 156.25 MHz; 161.1328 MHz;
+3.3 VDC LVPECL
Frequency Range from 1.000 to 180.000 MHz
No Multiplication is used, low phase noise and jitter
Miniature Ceramic SMD Package Available on Tape and Reel
Lead Free and ROHS Compliant
SYMBOL
Ta
T(stg)
Vcc
Vi
Vo
VALUE
-40…+85
-55…+90
+4.6
Vss-0.5…Vcc+0.5
Vss-0.5…Vcc+0.5
UNIT
°C
°C
VDC
VDC
VDC
$
"
ABSOLUTE MAXIMUM RATINGS:
PARAMETER
Operating temperature range
Storage temperature range
Supply voltage
Maximum Input Voltage
Maximum Output Voltage
$
ELECTRICAL PARAMETERS:
PARAMETER
SYMBOL
fo
Vcc
Is
Connected between each output and Vcc – 2.0 VDC
min
max
Measured at 50% of output voltage swing
Overall conditions
Integrated Phase tji RMS, Fj = 12 kHz…20 MHz
Integrated Phase RMS tii offset frequency 50KHz to
80MHz
Deterministic period Jitter tdj using wavecrest analyz.
Random period Jitter trj using wavecrest analyz.
Peak to Peak Jitter Tp-p using wavecrest analyz.
∆f=10
Hz
∆f=1
KHz
∆f=10
KHz
∆f=
>/=100 KHz
Positive slope; 10% linearity MAX
Minimum guaranteed freq. pull over
∆f/fc,
over all
conditions
-3 dB
High Voltage or No Connect
Ground
High Voltage
Ground or No Connect
th
TEST CONDITIONS
*1
1 to 180
+3.3
±5%
100.0 MAX
LVPECL
VALUE
UNIT
MHz
VDC
mA
Ω
VDC
VDC
%
ns
ppm
ps
ps
ps
ps
ps
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
VDC
VDC
ppm
KΩ
KHz
VDC
VDC
VDC
VDC
Nominal Frequency
Supply Voltage
Supply Current
Output Logic Type
Load
Output Voltage Levels
Duty Cycle
Rise / Fall Time
Frequency Stability
Voh
Vol
DC
tr / tf
50
Vcc-1.025
Vcc-1.620
40/60 to 60/40 or 45/55 to 55/45
±50
**(note 7)
0.3 TYP**
0.5 TYP**
0.0TYP **
2.5 TYP **
25 TYP**
-65
-120
-140
-145
0 to +3.3
+1.65
±
0.25
See Part Numbering
10 MIN
10 MIN
0.7•Vcc MIN
0.3•Vcc MAX
0.7•Vcc MIN
0.3•Vcc MAX
Measured at 20/80% and 80/20% output voltage swing 0.5 TYP
Jitter
J
Phase Noise typ.
@155.52MHz
Control Voltage Range
Settability
Absolute Pull Range
Input Impedance
Modulation Bandwidth
Enable High Option;
Pin 2
Output Enabled
Output Disabled
Enable Low Option;
Pin 2
Output Disabled
Output Enabled
£(∆f)
£(∆f)
£(∆f)
£(∆f)
VC
Vfo
APR
Zin
BW
En
Dis
Dis
En
RALTRON ELECTRONICS CORP.
!
10651 N.W . 19
St
!
Miami, Florida 33172
!
U.S.A.
phone: (305) 593-6033
!
fax: (305) 594-3973
!
e-mail: sales@raltron.com
!
WEB: http://www.raltron.com
VCXO
Page 2 of 3
*1 Test Conditions Unless Stated Otherwise: Nominal Vcc, Nominal Load, +25
±3°C
*2 Frequency Dependent
*3 May not be Available With All Temperature Ranges or Frequencies — Please Consult Factory
*
4 Measured with Wavecrest SIA-3000A 10,000, Cycles no filtering
*5 Calculated from Agilent 5500 phase noise measurements
*6 Measured with Agilent 5500
*7 Tighter stabilities maybe available upon request – please consult factory
$
PART NUMBERING SYSTEM:
SERIES
SYMMETRY
A: 40/60 to 60/40%
T: 45/55 to 55/45%
TEMPERATURE
RANGE (°C)
R:
S:
U:
V:
0…+50
0…+70
-20…+70
-40…+85
ABSOLUTE PULL
RANGE
K:
±20
ppm
I:
±25
ppm
F:
±32
ppm
H:
±50
ppm
G:
±80
ppm
J:
±100
ppm*(note 3)
FREQUENCY
(MHz)
1…180.000
Enable/Disable
Enable High – standard (Omit Suffix)
EL; Enable Low
VS9: UHF +3.3Vdc
VCXO with LVPECL
Comp. Output
EXAMPLE:
VS9ASH
-155.520
VCXO, 7x5mm Package, +3.3 VDC Supply Voltage, LVPECL Output, Standard Symmetry, 0…+70°C Operating
Temperature Range,
±50
ppm APR, 50 ppm stability, 155.520 MHz
$
MECHANICAL PARAMETERS:
INDICATES PIN 1.
.197 ±.008
5.0 ±0.2
OUTLINE TOLERANCE:
±0.006” / 0.15mm
(Unless otherwise specified)
PIN FUNCTIONS:
[1] VOLTAGE CONTROL
[2] ENABLE/ DISABLE, OR NO CONNECT
[3] CASE GROUND
[4] OUTPUT
[5] COMP. OUTPUT
[6] SUPPLY VOLTAGE
MARKING:
VS9ASH
155.52
RAL D/C
*0.01µF external by-pass
µ
.276 ±.008
7.0 ±0.2
.079 MAX.
2.00 MAX.
.200
5.08
.100
2.54
1
.050
1.27
.079 TYP.
2.00 TYP.
3
.150
3.81
2
.087
2.20
6
5
.055 TYP.
1.40
4
.071
1.80
.100
2.54
filter is recommended as seen on solder
pattern.
SOLDER PATTERN
RALTRON ELECTRONICS CORP.
!
10651 N.W . 19
th
St
!
Miami, Florida 33172
!
U.S.A.
phone: (305) 593-6033
!
fax: (305) 594-3973
!
e-mail: sales@raltron.com
!
WEB: http://www.raltron.com
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