SCREENING OPTIONS ACCORDING TO MIL PRF55310......................5
MODEL PHILOSOPHY ............................................................................6
STANDARD TESTS .................................................................................7
ORDERING PART NUMBER DEFINITION ..............................................8
w
w
w
.
t
e
m
e
x
.
c
o
m
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.
美国维吉尼亚理工大学(Virginia Tech)的研究人员打造了一款具备半自动驾驶能力的车辆,可供视障者使用。该款车辆是维吉尼亚理工大学机器人与机械装置实验室(Robotics and Mechanisms Laboratory,RoMeLa)独力接下的美国国家盲人基金会(National Federation of the Blind)委托研究成果。 9个维吉尼亚大学在校生只花...[详细]
据外媒报道,当地时间10月21日,总部位于加拿大的Nano One Materials公司告诉投资者,其锂电池相关技术又获得了一项美国专利。目前,该公司的创新成果已经在美国、加拿大、中国台湾地区、中国大陆、日本和韩国获得专利。 (图片来源:Nano One Materials) 简而言之,该公司研发出一种以低成本生产高性能锂离子电池阴极材料的方法。此种材料称为高压尖晶石,不含钴,具备4...[详细]