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VEM44S3-19.2-1.5/-20+70 PDF预览

VEM44S3-19.2-1.5/-20+70

更新时间: 2023-05-15 00:00:00
品牌 Logo 应用领域
EUROQUARTZ /
页数 文件大小 规格书
1页 177K
描述
Clipped Sine Output Oscillator, 19.2MHz Nom, SMD, 4 PIN

VEM44S3-19.2-1.5/-20+70 数据手册

  
QUARTZ  
EURO  
VEM44S Series TCXO  
Voltage-controlled Clipped Sinewave 11.4 x 9.6 x 4.7mm SMD  
11.4 x 9.6 x 4.7mm SMD  
Frequency Range: 9.6MHz to 26MHz  
Close tolerance stabilities from ±0.5ppm over 0° to +50°C  
±1ppm over -40 to +85°C also available  
EFC tuning ±5ppm to ±12ppm  
VEM44S - OUTLINES AND DIMENSIONS  
Very low power consumption  
DESCRIPTION  
VEM44S series VCTCXOs are packaged in the industry-standard 11.4  
x 9.6 x 4.7mm package. With clipped sinewave output, close  
tolerances are available from ±0.5ppm over 0° to 50°C or ±1ppm  
over -40° to +85°C. The output is controllable by EFC enabling output  
variation of ±5ppm to ±12ppm. The part has very low power  
consumption.  
SPECIFICATION  
Product Series Code:  
Frequency Range:  
Output Waveform:  
Initial Calibration Tolerance*:  
Standard Frequencies:  
VEM44S  
9.6MHz to 26.0MHz  
Clipped sinewave  
±3ppm at 25°C  
9.6, 10.0, 12.80, 13.0, 14.40,  
15.36, 16.384, 19.2, 19.440,  
and 19.680MHz.  
See table  
Operating Temperature Range:  
Frequency Stability:  
Over Operating Temperature range:  
vs. Ageing:  
See table  
±1.0 ppm max. first year  
±0.3 ppm max. ±5% change  
±0.3 ppm max. ±10% change  
±1ppm max. for one reflow  
(Measured after 24 hours)  
+2.6 VDC to +6.0 VDC  
vs. Voltage Change:  
vs. Load Change:  
vs. Reflow:  
Input Voltage Range:  
3.0V and 5.0V are standard  
Output Voltage Level  
+3.0V supply:  
+5.0V supply:  
Current Consumption:  
Output Load:  
TYPICAL PHASE NOISE  
0.8V p-p minimum  
1.0V p-p minimum  
See table  
10k Ohms//15pF  
SSB Phase Noise  
at 25°C  
Offset (Hz)  
10  
100  
1k  
10k  
100k  
-125  
(VEM44S 13MHz)  
dBc/Hz  
-72  
-110  
-125  
-132  
Harmonic Distortion:  
Output Format:  
Storage Temperature:  
Electrical Frequency Tuning  
-10dB typical, -7dB maximum  
DC block, AC coupled  
-40°C to +85°C  
±5ppm to ±12ppm for .5Vdd  
(<±100ppm is available)  
Positive (Increasing control V.  
increases output frequency)  
10% maximum  
VEM44S - TEST CIRCUIT  
Slope Polarity:  
Linearity:  
FREQUENCY STABILITY  
Frequency Stability (ppm)  
0 ~ +50  
±0.5  
±1.0  
±1.5  
±2.0  
±2.5  
-10 ~ +60  
ASK  
Temperature  
-20 ~ +70  
Range (°C)  
x
x
x
-30 ~ +75  
-40 ~ +85  
VEM44S - PART NUMBERING PROCEDURE  
Example:  
VEM44S3-19.44-2.5/-30+75  
= available, x = not available, ASK = call Technical Sales  
= standard specification  
CURRENT CONSUMPTION  
Series Description  
Supply Voltage  
Frequency Range  
9.6MHz to 13MHz  
13.1MHz to 20MHz  
20.1MHz to 26MHz  
+3.0 V  
1.3mA  
1.5mA  
2.0mA  
+5.0 V  
2.0mA  
2.2mA  
2.5mA  
3 = 3.0 VDC  
5 = 5.0 VDC  
(specify other)  
Frequency MHz  
Stability over OTR (ppm)  
Operating Temperature Range (OTR) (°C)  
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE  
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk  

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