VOLTAGE CONTROLLED CRYSTAL OSCILLATOR - VCXO
QEV 51-KO & QEV 51-KH
TIME
&FREQUENCY
CONS UMER & INDUSTRIAL THROUGH HOLE VCXO
Description
Our QEV51-KO is a sinewave Voltage Controlled Crystal Oscillator in a
package 20 x 20 x 10 m m which is designed for industrial tem perature range
of -40° C to +85° C with a sinusoidal output. It allows an upper frequency of
200 MHz by using an overtone quartz resonator in a sealed package and
a pulling range up to ±100 ppm .
This type of product is well suited for very low phase noise applications
(typically -120 dBc/Hz @ 100 Hz and typically -155 dBc/Hz @ 10 kHz for
F= 150 MHz). Using ACMOS technology, the QEV51-KH offers the sam e
perform ance up to 120 MHz.
Frequency range
14 MHz to 200 MHz
Applications
Minim um ordering inform ation requirem ent
(See Table 1 for available com binations)
(See page 4-37 for package drawing)
Exa m p le : QEV 5 1 - KO 15 5 .5 2 MHz 10 0 LQ15
Telecom m unication system
SONET / SDH / ATM
Multiplexing
Digital switching
Phase locking
Output signal
KO = Sinus
KH = AHCMOS
Pulling range
± 50 ppm
Features
± 75 ppm
± 100 ppm (2)
Tem perature
LQ = 0° C ~ +70 ° C
HQ = -20° C ~ +70° C
Tem perature ranges:
Frequency stability:
Calibration (@25° C ± 2° C):
Supply voltage:
Current consum ption:
Load (KH version):
Load (KO version):
Sub-harm onics (KO version):
Spurious (KO version):
Rise / fall tim e (KH version):
Ageing:
up to -40° C to +85° C
±15 to ±50 ppm
± 10 ppm
+5 V ± 5 %
35 to 50 m A
15pF/10NTTL-gates
0 dBm / 50 Ω
DT = -40° C ~ +85° C*
Stability
15 = ± 15 ppm *
25 = ± 25 ppm
50 = ± 50 ppm
> -25 dBc
> -80 dBc
5 ns
±3 ppm / 1st year
Pulling range:
>±50 ppm to ±100 ppm m in.
@ 2.5 Vdc ± 2 Vdc, slope positive
50/50 ± 20 %
Note:
1. Options w ith the sam e m arker m ay not be com bined w ith each
other.
2. Not available for high frequency, see table 1.
Duty cycle:
Stability vs. power supply and load:
± 5 ppm
Table 1:
Other tem perature ranges
and stability available
QEV 51-KH
AHCMOS output
QEV 51-KO
Sine output
Frequency range
Tem perature range
14 - 120 MHz
LQ to DT
14 - 150 MHz 150 - 200 MHz
LQ to DT
Control voltage @2.5V,Z>10 KΩ)
Pulling range (positive slope)
0 V to 5 V
≥ ± 100 ppm
0 V to 5 V
≥ ± 100 ppm
≥ ± 75 ppm
4-32
Vol. 2
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