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VEMV44T33-80.00-2.0/-30+75

更新时间： 2024-11-06 05:43:35
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EUROQUARTZ /
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描述
HCMOS Output Clock Oscillator,

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VEMV44T33-80.00-2.0/-30+75 数据手册

  
QUARTZ  
EURO  
EMV44T TCXO  
CMOS 4 pad SMD, 'V' Group  
27.0MHz to 200.0MHz  
Miniature 11.4 x 9.6 x 3.0mm SMD package  
Wide frequency range: 27.0MHz to 200.0MHz  
Supply voltage 3.3 Volts  
Frequency stability from ±1ppm over -30 to +75°C  
RoHS compliant  
EMV44GT - OUTLINES AND DIMENSIONS  
DESCRIPTION  
EMV44T series TCXOs are packaged in a miniature 4 pad ceramic  
SMD package. With squarewave (CMOS) output, tolerances are  
available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF  
decoupling capacitor built in.  
SPECIFICATION  
Product Series Code  
TCXO:  
EMV44T  
VCTCXO:  
VEMV44T  
Frequency Range:  
Output Waveform:  
27.0MHz to 200.0MHz  
Squarewave, HCMOS  
Initial Calibration Tolerance  
Models without trimmer:  
Models with trimmer:  
Standard Frequencies:  
<±2.0ppm  
<±1.0ppm  
30.0, 32.768, 38.880, 40.0,  
50.0, 54.0, 64.0, 65.536,  
77.76, 80.0, 128.0, 160.0  
and 200.0MHz  
(
)
Operating Temperature Range:  
Mechanical Frequency Tuning:  
Frequency Stability  
±3.0ppm minimum  
vs. Ageing:  
±1.0 ppm max. first year  
vs. Voltage Change:  
vs. Load Change:  
vs. Reflow (SMD type):  
±0.3 ppm max. ±5% change  
±0.3 ppm max. ±10% change  
±1.0ppm max. for one reflow  
(
)
VEMV44T VOLTAGE CONTROL SPECIFICATION  
Control Voltage: Standard = +1.5±1.0Volts for all input  
Supply Voltage:  
Output Logic Levels:  
+3.3 Volts  
Logic High: 90% Vdd min.  
Logic Low: 10% Vdd max.  
40mA maximum  
10ns typical  
50%±10% standard,  
5ms typical, 10ms max.  
voltages.  
Current Consumption:  
Rise and Fall Times:  
Duty Cycle:  
Frequency Deviation: ±6.0 ppm min. (Vcon = +4.5V±1.0V)  
Slope Polarity:  
Positive  
Start-up Time:  
Input Impedance:  
2M minimum  
Current Consumption:  
Output Load:  
Storage Temperature:  
Modulation Bandwidth: 25kHz minimum  
Linearity: ±10% maximum  
15pF  
-55~+125°C  
SSB PHASE NOISE at 25°C  
Offset  
10Hz  
100Hz  
1kHz  
10kHz  
100kHz  
FREQUENCY STABILITY  
at 77.760Mhz  
(dBc/Hz)  
-80  
-110  
-135  
-130  
-132  
Stability (ppm)  
±0.5  
±1.0  
±1.5  
±2.0  
±2.5  
±3.0  
Part =  
EMV44T33  
at 155.520Mhz  
(dBc/Hz)  
-80  
-110  
-125  
-120  
-125  
0 ~ +50  
P
ASK  
X
P
P
P
P
X
P
P
P
P
X
P
P
P
P
P
P
P
P
P
-10 ~ +60  
-20 ~ +70  
-30 ~ +75  
-40 ~ +85  
Temp.  
P
P
P
Range (°C)  
PART NUMBERING SCHEDULE  
X
P
Example:  
EMV44T33-200.00-2.5/-30+75  
X
ASK  
ASK  
Series Description  
TCXO = EMV44T  
VCTCXO = VEMV44T  
P = available, x = not available, ASK = call Technical Sales  
Supply Voltage  
33 = 3.3 VDC  
Frequency (MHz)  
Stability over OTR (±ppm)  
Operating Temperature Range (OTR) (°C)  
Lower and upper limits  
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  
1

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