Data Sheet

Ultra-Low Noise
LVPECL VCXO
with -162 dBc/Hz Noise Floor!
CVPD-922 Model
9×14 mm SMD, 3.3V, LVPECL
Frequency Range:
Frequency Pulling:
Temperature Range:
(Option X)
Storage:
Input Voltage:
Control Voltage:
Input Current:
Output:
Symmetry:
Rise/Fall Time:
Linearity:
Logic:
40 MHz to 125 MHz
±20ppm APR Min
0°C to 70°C
-40°C to 85°C
-45°C to 90°C
3.3V ±0.3V
1.65V ±1.65V
88mA Max
Differential LVPECL
45/55% Max @ zero crossing point
1nSec Max (20% to 80%)
±10% Max
Terminated to Vcc-2V into 50 ohms
"0" = Vcc-1.85V Min, Vcc-1.62V Max
"1" = Vcc-1.02V Min, Vcc-0.81V Max
Disable Time:
200nSec
Start-up Time:
1mSec Typical, 2mSec Max
Phase Jitter:
12 kHz to 20 MHz 85 femtoseconds Typical @ 100 MHz
Phase Noise:
10 Hz
-85 dBc/Hz Typical
100 Hz
-115 dBc/Hz Typical
1 kHz
-145 dBc/Hz Typical
10 kHz
-155 dBc/Hz Typical
100 kHz
-160 dBc/Hz Typical
1 MHz
-162 dBc/Hz Typical
10 MHz
-162 dBc/Hz Typical
Aging:
<3ppm 1st year, <1ppm every year thereafter
The CVPD-922 represents our lowest
phase noise LVPECL VCXO family.
Close-in phase noise has been reduced
to -85 dBc/Hz @ 10 Hz offset while the
noise floor is at -162 dBc/Hz which leads
the industry for an LVPECL VCXO.
SUGGESTED PAD LAYOUT
0.100
(2.54)
0.560
(14.2)
0.560
(14.2)
CRYSTEK
P/N
Frequency
Date Code
0.360
(9.14)
0.040
(1.01)
1
0.210
(5.3)
6
2
0.050
(1.27)
3
5
4
0.070
(1.77)
0.090
(2.28)
0.280
(7.11)
0.200
(5.08)
RECOMMENDED REFLOW SOLDERING PROFILE
900034 (See App Note listed on website)
http://www.crystek.com/specification/reflow/900034.pdf
0.200
(5.08)
Crystek Part Number Guide
CVPD-922 X - 100.000
#1
#2
#3
#4
#1 Crystek 9×14 SMD PECL VCXO
#2 Model 922
#3 Temp. Range: Blank = 0/70°C, X = -40/85°C
#4 Frequency in MHz: 3 or 6 decimal places
Example:
CVPD-922X-100.000 = 3.3V, 45/55, -40/85°C, 100.000 MHz
Enable/Disable Function
C
PIN
Function
1
2
3
4
5
6
Control Volt
E/D
GND
OUT
COUT
Vcc
CRYSTEK
CORPORATION
Pin 2
Output Pin
Open
"0" level Vcc-1.620V Max
"1" level Vcc-1.025V Min
Active
Disabled
Active
Specifications subject to change without notice.
CVPD-922 Rev. B
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com