w w w . t e m e x . c o m
FEATURES..............................................................................................2
APPLICATIONS.......................................................................................2
ENVIRONMENTAL CONDITIONS...........................................................2
MECHANICAL CHARACTERISTICS.......................................................3
PERFORMANCE CHARACTERISTICS...................................................4
PROPOSED COMPONENTS QUALITY LEVELS....................................5
SCREENING OPTIONS ACCORDING TO MIL PRF55310......................5
MODEL PHILOSOPHY ............................................................................6
STANDARD TESTS.................................................................................7
ORDERING PART NUMBER DEFINITION..............................................8
SPACE TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal Oscillator,
General Specification (rev 18 janvier 2010) DRAFT
2/8
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification DRAFT
January 18th 2010
All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third
party without obtaining prior written permission from TEMEX.
Features
• Frequency Range : 10MHz to 100 MHz
• Supply Voltage : +5V
• Low Consumption : 20 mA max
• Frequency Stability vs. Operating Temperature : from +/- 0.5ppm to +/– 2ppm
• Ageing :from+/– 2ppm to +/- 10ppm over 15 years
• Output Wave Form : square
• Output Level :CMOS 5V , 3.3V or 2.5V (AHCMOS)
• Manufacturing in accordance with:
o MIL-PRF-55310 (Class 1, type 4, level S,B)
o ECSS-Q-ST-70-08C and ECSS-Q-ST-70-38C
Applications
Transponders
GPS receivers
Converters
Board calculators
Synthesizers
FGU
Environmental conditions
Parameters Unit Minimum Typical Maximum
Operating temperature range
°C
– 40
+ 85
Storage temperature range
°C
– 55
+ 125
Shocks (half sine)
1500g, 0.35ms
Sine vibration
20g as per MIL-STD-202, Method
204, Condition D
Random vibration 37.8 grms as per MIL-STD-202,
Method 214, Condition I-J
Radiation
Up to 100 krad total dose
3/8
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification DRAFT
January 18th 2010
All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third
party without obtaining prior written permission from TEMEX.
Mechanical characteristics
Figure 1 : Oscillator outline 1
Pin description
Pin number Name Function
6 Adj External Adjustment Resistor
4-5-9-10-11 NC
1-3-7-12-14 GND Electrical & Mechanical ground
2 Vcc Power supply
13 Fout Frequency Output
4/8
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification DRAFT
January 18th 2010
All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third
party without obtaining prior written permission from TEMEX.
Performance Characteristics
Electrical Parameters Unit Minimum Typical Maximum
Frequency output
Nominal frequency range MHz 10 40 100
Output level (CMOS 5V,3.3V or 2.5V) V
High level V 90% Vcc
Low level V 10% Vcc
Duty cycle % 45/55 40/60
Rise & fall time ns 5
Phase noise in static conditions @ 40 MHz
@ 1 Hz offset dBc/Hz – 65 -55
@ 10 Hz offset dBc/Hz – 95 -85
@ 100 Hz offset dBc/Hz – 125 -115
@ 1 kHz offset dBc/Hz – 145 -135
@ 10 kHz offset or greater dBc/Hz – 155 -150
Allan variance
@ 1s ppb 1
Free running mode
Initial setting ppm ±1
Stability vs. temperature ppm ±0.5 ±1 ±2
Stability vs. 5 % supply voltage variation ppm 0.1
Stability vs. 10 % load variation ppm 0.1
Aging over first year ppm 0.5 1
Aging over 15 years ppb 5 10
Frequency adjustment with external resistor
Relative pulling frequency range ppm ± 5
Resistor value range Ω
ΩΩ
Ω 0 10k
Supply voltage (Vcc pin)
Voltage range ( ±5%) V
DC
5 12
Supply power W 0.2
Start up conditions
Start up time ms 10
Cold start °C -40
5/8
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification DRAFT
January 18th 2010
All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third
party without obtaining prior written permission from TEMEX.
Proposed Components quality levels
• Full ESA ECSS-Q-ST-60C components
• Full ESA ECSS-Q-ST-60C components with specific radiation test
• ESA ECSS-Q-ST-60C components with only LVT 3
Screening options according to MIL PRF55310
• Full Level S
• Level S with combined burn in aging of 480 hours
• Full Level B
• Level B with combined burn in aging of 480 hours
6/8
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification DRAFT
January 18th 2010
All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third
party without obtaining prior written permission from TEMEX.
Model philosophy
Representativeness
DM EM EQM QM FM FM-C
Component
Commercial
parts
Passive
commercial
parts
Active parts
from the
same
manufacturer
of HiRel parts
Mil Grade
parts
procured from
the same
manufacturer
of HiRel parts
HiRel Parts HiRel Parts HiRel Parts
Crystal material HiQ HiQ HiQ Swept
ESA-
SCC3501
Swept
ESA-
SCC3501
Swept
ESA-
SCC3501
Resonator
stabilized Not stabilized Stabilized Stabilized Stabilized &
Aged as per
specification
Stabilized &
Aged as per
specification
Stabilized &
Aged as per
specification
Mechanical
interface
Size & shape
could not be
representative
Flight
representative
in form-fit-
function
Flight
representative
in form-fit-
function
Flight
design Flight
design Flight
design
Electrical interface
Total
conformity
with functional
electrical
Flight design
without HiRel
parts
Flight design
without HiRel
parts
Flight
design Flight
design Flight
design
Other tests Development
testing
Partial
functional
qualification
testing
Functional
Qualification
testing &
Environment
Qualification
testing Acceptance
testing
Acceptance
testing +
group C
Workmanship IPC610 IPC610 ECSS-Q-70-
08 & 70-38
ECSS-Q-
70-08 & 70-
38
ECSS-Q-
70-08 & 70-
38
ECSS-Q-
70-08 & 70-
38
7/8
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification DRAFT
January 18th 2010
All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third
party without obtaining prior written permission from TEMEX.
Standard Tests
DOCxxxxFM
S520-A1
SN/YYWW
Initial Tests
Pre-Burn-In
Measurements
Frequency aging
group B
Final tests
Group A
Visual tests
group A
CONDITIONS
PARAMATERS GO
NO-GO GO
NO-GO GO
NO-GO GO
NO-GO GO
NO-GO
24°C ±2°C Frequency GO GO GO GO NA
24°C ±2°C Output level GO GO NA GO NA
-20°C ±2°C Output level GO NA NA GO NA
70°C ±2°C Output level GO NA NA GO NA
-20°C to
+70°C Output level vs.
Temperature GO NA NA GO NA
-20°C ±2°C start up Time GO NA NA GO NA
'+70°C ±2°C Steady state
consumption GO NA NA GO NA
24°C ±2°C Steady state
consumption GO GO NA GO NA
-20°C ±2°C Steady state
consumption GO NA NA GO NA
24°C ±2°C
Duty cycle GO NA NA GO NA
24°C ±2°C
Rise & Fall time GO NA NA GO NA
24°C ±2°C
Phase noise GO NA NA GO NA
24°C ±2°C
Frequency vs.
load variation GO NA NA GO NA
24°C ±2°C
Frequency vs.
power variation GO NA NA GO NA
24°C ±2°C Frequency
Adjustment GO NA NA GO NA
-40°C Cold start GO NA NA GO NA
Dimensions NA NA NA NA GO
Marking NA NA NA NA GO
Weight NA NA NA NA GO
-20°C to 70°C
Frequency vs.
Temperature GO NA NA GO NA
8/8
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification DRAFT
January 18th 2010
All information contained within this document is exclusive property of TEMEX, it is expressly forbidden to partially or totally reproduce or to disclose to a third
party without obtaining prior written permission from TEMEX.
Ordering part number definition
The part number breakdown is defined as follows:
TE F 310 X A C A 10M000000 A A S A
TEMEX
Model
D=DM
E=EM
G=EQM
F=FM
Q=QM
Series
Package
Supply voltage
A = 5V
B = 12V
Wave form
C=Square
Radiation
A : 20krad LDR
B : 50 krad LDR
C : 20 krad VLDR
D : 50 krad VLDR
E
:
specific
tests
Screening options
S: level S
B: level B
C: level S with
combined BI-aging
D: level B with
combined BI-aging
Frequency calibration
A : internal setting
B : external setting
Stability in temperature
A : ± 0.5 ppm
B : ± 1 ppm
C : ± 2 ppm
Frequency
Temperature range
A= 0°C to 50°C
B= -20°C to +70°C
C= -40°C to + 85°C
