Datasheet > VEM38T3-12.800-2.5/0-50

VEM38T3-12.800-2.5/0-50

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	149K
描述
Oscillator,

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中文翻译

获取价格

数据手册

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VEM38T3-12.800-2.5/0-50 数据手册

QUARTZ

EURO

TCXO

VEM38T Series

Voltage-controlled 14 pin DIL compatible

14 pin DIL compatible package

Wide frequency range: 1.2MHz to 156MHz

Supply voltage 3.0 or 5.0 Volts

EFC tuning ±5ppm to ±12ppm

Customized specifications available

VEM38T - OUTLINES AND DIMENSIONS

DESCRIPTION

VEM38T series TCXOs are packaged in the industry-standard 14 pin

Dual-in-Line package. With HCMOS output, tolerances are available

from ±1.0ppm over 0° to 50°C to ±1ppm over -30° to +70°C. Supply

voltage 3.0 or 5.0 Volts. The output is controllable by EFC enabling

output variation of ±5ppm to ±12ppm.

SPECIFICATION

Product Series Code:

Frequency Range:

Output Waveform:

Standard Frequencies:

VEM38T

1.2MHz to 156.0MHz

Square wave (HCMOS)

9.6, 10.0, 12.80, 13.0, 14.40,

15.36, 16.384, 19.200,

19.44 and 19.68MHz.

(Partial list)

Operating Temperature Range:

Frequency Stability:

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)

+3.0 VDC (Code ‘3’)

+5.0 VDC (Code ‘5’)

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

VEM38T - TEST CIRCUIT

Output Voltage Levels

Logic ‘1’ HIGH:

80% Vdd min.

Logic ‘0’ LOW:

10% Vdd max.

Rise & Fall Times:

Duty Cycle (Symmetry):

Start-up Time:

10ns max. (20%~80%)

50%±10% (at 50%Vdd)

10ms max.

Current Consumption:

3.0 Volt supply:

5.0 Volt supply:

Output Load:

25mA max. (Freq. dependent)

30mA max. (Freq. dependent)

15pF

SSB Phase Noise:

Output Format:

Storage Temperature:

Electrical Frequency Tuning

3.0 Volts supply:

See table

AC block, DC coupled

-50° to +100°C

PHASE NOISE (Example: VEM38T at 10.0MHz)

Offset

(Hz)

100

10k

100k

-125

±5ppm to ±12ppm

For control of +1.5V ±1.5V

±6ppm to ±12ppm

For control of +2.5V ±2.0V

Positive (Increase of control

Voltage increases output

frequency.)

SSB Phase Noise

at 25°C

VEM38T

100MHz

(dBc/Hz)

-72

-110

-125

-132

5.0 Volts supply:

Slope Polarity:

VEM38T - PART NUMBERING PROCEDURE

Example:

VEM38T3-19.44-2.5/-30+75

FREQUENCY STABILITY

Frequency Stability (ppm)

±1.0

±1.5

±2.0

±2.5

Series Description

Supply Voltage

3 = 3.0 VDC

5 = 5.0 VDC

Frequency

0 ~ +50

Operating

Temperature

Range (°C)

-10 ~ +60

-20 ~ +70

-30 ~ +75

Stability over OTR (ppm)

Operating Temperature Range (OTR) (°C)

= standard specification

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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与VEM38T3-12.800-2.5/0-50相关器件

型号	品牌	获取价格	描述	数据表
VEM38T3-12.800-2.5/-30+75	EUROQUARTZ	获取价格	Oscillator,
VEM38T3-12.80-1.0/-30+75	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIP-14/4
VEM38T3-12.80-1.5/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIP-14/4
VEM38T3-12.80-1.5/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIP-14/4
VEM38T3-12.80-2.0/-20+70	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIP-14/4
VEM38T3-12.80-2.5/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIP-14/4
VEM38T3-12.80-2.5/-30+75	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIP-14/4
VEM38T3-12.8-1.0/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIL-14/4
VEM38T3-12.8-1.0/-10+60	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIL-14/4
VEM38T3-12.8-1.5/0+50	EUROQUARTZ	获取价格	HCMOS Output Clock Oscillator, 12.8MHz Nom, DIL-14/4

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