Differential LVPECL
Voltage Controlled
Crystal Oscillator
CVPD-920 Model
9×14 mm SMD, 3.3V, LVPECL
Frequency Range:
Frequency Pulling:
Temperature Range:
50 MHz to 125 MHz
±20ppm APR Min
0°C to 70°C
(Option X)
-40°C to 85°C
Storage:
-45°C to 90°C
Input Voltage:
Control Voltage:
Input Current:
Output:
3.3V ±0.3V
1.65V ±1.65V
88mA Max
Differential LVPECL
45/55% Max @ zero crossing point
1ns 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
200ns
Symmetry:
Rise/Fall Time:
Linearity:
Logic:
Designed to meet today's requirements for
3.3V Differential LVPECL applications.
The CVPD-920 is produced using our cost
saving FR5 PCB and UM-1 overtone
Disable Time:
Start-up Time:
Phase Jitter:
1ms Typical, 2ms Max
0.5ps Typical, 1ps RMS Max
-65 dBc/Hz Typical
12kHz to 80MHz
10Hz
crystal technology.
This design offers
Phase Noise:
considerable cost savings over other HFF
VCXO products when broad frequency
pulling is not required. Also available in 14
pin dip fully hermetic package.
100Hz
1kHz
10kHz
100kHz
-98 dBc/Hz Typical
-125 dBc/Hz Typical
-140 dBc/Hz Typical
-145 dBc/Hz Typical
<3ppm 1st year, <1ppm every year thereafter
Aging:
SUGGESTED PAD LAYOUT
0.100
(2.54)
0.040
(1.01)
0.560
(14.2)
0.050
(1.27)
0.560
(14.2)
CRYSTEK
P/N
Frequency
Date Code
1
6
2
5
3
4
0.360
(9.14)
0.070
(1.77)
0.210
(5.3)
0.090
(2.28)
0.280
(7.11)
0.200
(5.08)
0.200
(5.08)
PAD FINISH: Immersion Gold (ENIG); 5 micro inches maximum
RECOMMENDED REFLOW SOLDERING PROFILE
900034 (See App Note listed on website)
Crystek Part Number Guide
http://www.crystek.com/specification/reflow/900034.pdf
CVPD-920 X - 100.000
#1
#2
#3
#4
#1 Crystek 9×14 SMD PECL VCXO
#2 Model 920
#3 Temp. Range: Blank = 0/70°C, X = -40/85°C
#4 Frequency in MHz: 3 or 6 decimal places
NOT RECOMMENDED FOR NEW DESIGNS
PLEASE USE CVPD-922 FAMILY
http://www.crystek.com/crystal/spec-sheets/vcxo/CVPD-922.pdf
Example:
CVPD-920X-100.000 = 3.3V, 45/55, -40/85°C, 100.000 MHz
PIN
Function
1
2
3
4
5
6
Control Volt
E/D
GND
OUT
COUT
Vcc
Enable/Disable Function
Pin 2
Output Pin
Open
Active
Active
Disabled
"0" level Vcc-1.620V Max
"1" level Vcc-1.025V Min
Disabled State:
Pin 4 will assume a fixed level of logic "0"
Pin 5 will assume a fixed level of logic "1"
Rev: L
Date: 14-Sep-2017
Page 1 of 1
Specifications subject to change without notice.
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
CRYSTEK
CORPORATION
Fax: 239-561-1025 • www.crystek.com
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