SCREENING OPTIONS ACCORDING TO MIL PRF55310......................5
MODEL PHILOSOPHY ............................................................................6
STANDARD TESTS .................................................................................7
ORDERING PART NUMBER DEFINITION ..............................................8
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TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification
DRAFT
January 18th 2010
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
Operating temperature range
Storage temperature range
Shocks (half sine)
Sine vibration
Random vibration
Radiation
Unit
°
C
°
C
Minimum
– 40
– 55
1500g, 0.35ms
20g as per MIL-STD-202, Method
204, Condition D
37.8 grms as per MIL-STD-202,
Method 214, Condition I-J
Up to 100 krad total dose
Typical
Maximum
+ 85
+ 125
2/8
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.
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification
DRAFT
January 18th 2010
Mechanical characteristics
Figure 1 : Oscillator outline 1
Pin description
Pin number
6
4-5-9-10-11
1-3-7-12-14
2
13
Name
Adj
NC
GND
Vcc
Fout
Function
External Adjustment Resistor
Electrical & Mechanical ground
Power supply
Frequency Output
3/8
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.
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification
DRAFT
January 18th 2010
Performance Characteristics
Electrical Parameters
Frequency output
Nominal frequency range
Output level (CMOS 5V,3.3V or 2.5V)
High level
Low level
Duty cycle
Rise & fall time
Phase noise in static conditions @ 40 MHz
@ 1 Hz offset
@ 10 Hz offset
@ 100 Hz offset
@ 1 kHz offset
@ 10 kHz offset or greater
Allan variance
@ 1s
Free running mode
Initial setting
Stability vs. temperature
Stability vs. 5 % supply voltage variation
Stability vs. 10 % load variation
Aging over first year
Aging over 15 years
Frequency adjustment with external resistor
Relative pulling frequency range
Resistor value range
Supply voltage (Vcc pin)
Voltage range ( ±5%)
Supply power
Start up conditions
Start up time
Cold start
ms
°
C
10
-40
V
DC
W
5
12
0.2
ppm
Ω
±5
0
10k
ppm
ppm
ppm
ppm
ppm
ppb
0.5
5
±0.5
±1
±1
±2
0.1
0.1
1
10
ppb
1
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
– 65
– 95
– 125
– 145
– 155
-55
-85
-115
-135
-150
MHz
V
V
V
%
ns
45/55
90% Vcc
10% Vcc
40/60
5
10
40
100
Unit
Minimum
Typical
Maximum
4/8
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.
TCXO Series 310
Space qualified TCXO – Temperature Compensated Crystal
Oscillator,
General Specification
DRAFT
January 18th 2010
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
5/8
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.
1、引言 汽车污染是当前人们最为关心和急需解决的重要课题之一。作为汽车排气污染物的检测的重要方法,简易瞬态工况法（VMAS法，IG法）可以统计排放总质量，监控车辆的真实排放情况，设备成本不高，测量比较准确，与新车认证检测结果具有相关性，可以检测NO相关因子等一系列优点，成为人们研究的热点。VMAS（Vehicle Mass Analysis System）检测方法在美国和欧洲都有很好的应用基础，...[详细]
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