High Precision
Microprocessor Controlled Crystal Oscillator
MX-503
MX-503
Features
•
•
•
•
•
•
•
Ultra High Stability MCXO
Low Power Consumption
Up to 105°C in preparation
Meets Stratum 3 acc. GR-1244
ROHS 6 Compliant
Frequency Range
1
: 8 - 50 MHz
Standard Frequencies : 10, 12.8, 16.384, 19.2, 20, 22.1184,
24.576, 25, 38.4, 40 MHz
• Uses Vectron’s Ultra Smooth Compensation (USC) Algorithm
• Excellent Phase Noise and Allan Deviation
•
•
•
•
Applications
1588 Application
Test Equipment
Femto Base Station
Communication Equipment
Performance Specifications
Frequency Stabilities
1, 3
(Standard - 8 to 26 MHz)
Parameter
vs. operating temperature range
referenced to (dFmax+dFmin)/2
In a 24h period at constant
temperature
Frequency vs. temperature slope
Initial tolerance
vs. supply voltage change
vs. load change
vs. aging / 1. year
vs. aging / 10 years
-0.5
-10
-10
-0.8
-2.5
Min
-20
-30
-100
-5
Typical
Max
+20
+30
+100
+5
Units
ppb
ppb
ppb
ppb
ppb/°C
ppb/°C
Condition
2
-20 to +70°C
-40 to +85°C
-40 to +105°C
after 7 days of continous operation
-30 to +80°C, 10 & 20MHz
-40 to +85°C, 10 & 20MHz
V
S
±5% static
Load ±10% static
after 30 days of operation
after 30 days of operation
Options
3
±1.0
±1.5
+0.5
+10
+10
+0.8
+2.5
ppm
ppb
ppb
ppm
ppm
Page 1 of 7
Performance Specifications
Supply Voltage (V
s
)
Parameter
Supply Voltage (standard)
Current Consumption
Supply Voltage (Option)
Current Consumption
Signal [standard]
Load
Signal Level (Vol)
Signal Level (Voh)
Duty Cycle
Rise and Fall time
Tuning Range
Tuning Range
Linearity
Tuning Slope
Control Input Impedance
Control Voltage (V
c
) Range
20
0.0
0.5
1.65
2.5
-65
-93
-118
-140
-154
-156
140
80
80
Weight
Processing & Packing
Reflow Profile
Supply Voltage (V
s
)
Output Load
Operable Temperature Range
Storage Temperature Range
Rapid Temperature Changes
Vibration
Shock
Solderability
Solvent Resistance
ESD
Moisture Sensitivity
RoHS Compliance
Page 2 of 7
Min
3.135
4,75
Typical
3.3
5
Max
3.465
12
5.25
8
Units
V
mA
V
mA
Condition
2
8 - 50MHz
RF Output
HCMOS
15
0.3
3
45
55
5
Fixed frequency; No adjust
±3.5
Positive
kOhm
3.3
4.5
V
V
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs RMS
E-12
E-12
g
@ 3.3V
@ 5V
1 Hz
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
@ 1sec.
@10sec
+10
2
ppm
%
10 & 20MHz
pF
V
V
%
ns
Vs = 3.3V
Vs = 3.3V
@ V
s
/2
10 to 90 %
Option
3
Frequency Tuning (EFC) 8 to 26 MHz
Additional Parameters
Phase Noise
4
@ 20MHz
Jitter
ADEV
@ 12 kHz to 20 MHz
2.0
Handling & Processing Note
I
PC / JEDEC J-STD-020 (latest version)
Absolute Maximum Ratings
-0.6
-40
-40
6.0
50
+85
+90
V
pF
°C
°C
Environmental Conditions
MIL-883-1010 Cond B 500 cycles -55/125C
MIL-STD-883 Meth 2007 Cond A 20G 20-2000Hz 4x in each 3axis 4 min
MIL-STD-202 Meth 213B Cond. F; 1500g 0,5ms 6 shocks in each direction
J_STD_002C Cond A, Through hole device/ Cond. B, SMD 255C (diving time 50,5sec.)
Dip+Look with 8h damp pre-treatment: solder wetting >95%
MIL-STD-883 Meth 2015 Solv. 1,3,4
JESD22-A114F Class 1B; 10* 2000V
Level 1 JESD22-A113-B
100% ROHS 6 Compliant
Outline Drawing / Enclosure
MX-503
Height “H”
3.8
Pin Length “L”
NA
Pin Connections
1
2
3
4
5
6
Control Voltage Input (Vc) / N.C.
Enable / N.C.
Ground (Case)
RF-Output
N.C.
Supply Voltage Input (Vs)
Enable true table (optional): MX-503
Pin 2
High
Open
Low
Pin 4
Data
Data
High Tristate
Dimensions in mm
Page 3 of 7
Performance Data
TDEV-without filter
ADEV
Temperature Stability
Phase Noise
4
Page 4 of 7
Performance Data
Frequency vs. Load
Frequency vs. Supply Voltage
Aging
Page 5 of 7
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