Datasheet > VEM38GU5-10.000-2.0/-10+60

VEM38GU5-10.000-2.0/-10+60

更新时间： 2024-09-16 10:39:03

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
1页	92K
描述
Oscillator,

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VEM38GU5-10.000-2.0/-10+60 数据手册

QUARTZ

EURO

EM38U SINEWAVE TCXO

10kOhm//10pF TCXO 14 pin dual-in-line compatible package

Sinewave output TCXO 10kOhm//10pF

Wide frequency range 10MHz to 30MHz

Supply Voltage from 2.8 to 5.0 Volts

Produced as TCXO or VCTCXO with EFC

EM38U - OUTLINES AND DIMENSIONS

DESCRIPTION

EM38U series TCXOs are packaged in a 14 pin dual-in-line

compatible package. The TCXO may be specified to operate at any

supply voltage from 2.8 to 5.0 Volts. Close tolerances from ±1ppm

over -40° to +85°C are available. With true sine wave output, the part

can be produced as either a standard TCXO or a voltage-controlled

TCXO (VCTCXO).

SPECIFICATION

Product Series Code

TCXO:

EM38U

VCTCXO:

VEM38U

Load:

10k //10pF

Frequency Range:

Output Waveform:

Initial Calibration Tolerance*:

Operating Temperature Range:

Output Voltage Level:

10.0MHz to 30.0MHz

True Sinewave

±1ppm at 25°C

See table

0.8V p-p min., 1.0V p-p typ.

+2.8, +3.0, +3.3 or

+5.0Volts DC±5%

Input Voltage Range:

Frequency Stability

vs. Temperature:

vs. Ageing:

vs. Voltage Change:

vs. Load Change:

Current Consumption:

Start-up Time:

Harmonic Distortion:

SSB Phase Noise

At 100Hz offset:

At 1kHz offset:

See table

±1.0 ppm max. first year

±0.3 ppm max. ±5% change

±0.3 ppm max. ±10% change

2mA max.

2ms typical, 5ms max.

-12dBc typ., -9.0dBc max.

-115dBc

-135dBc

At 10kHz offset:

Output Format:

Storage Temperature:

-148dBc

DC block, AC coupled

-55° to +125°C

PART NUMBERING

Example:

EM38GU5-25.000-2.5/-30+75

Series Description

TCXO = EM38_U

VCTCXO = VEM38_U

RoHS Status

G = RoHS compliant

Blank = Non-compliant

Supply Voltage

Stability over temperature is measured from this initial tolerance.

FREQUENCY STABILITY

Frequency Stability (ppm)

0 ~ +50

±0.5

±1.0

±1.5

±2.0

±2.5

ASK

28 = 2.8Volts

3 = 30.Volts

33 = 3.3 Volts

5 = 5.0 Volts

-10 ~ +60

Temperature

-20 ~ +70

Range (°C)

Frequency (MHz)

Temperature Stability

±ppm, see table

Temperature Range

-30 ~ +75

-40 ~ +85

ASK

= available, x = not available, ASK = call Technical Sales

= standard specification

°C, lower and upper limits

VEM38U VOLTAGE CONTROL SPECIFICATION

Control Voltage

Supply = 3.0V: +1.5±1.0V

Supply = 5.0V: +2.5±2.0V

Frequency Deviation Range:

Options:

Slope Polarity = Positive:

±8.0ppm min., ±15ppm max.

Narrow: ±1ppm max. (or custom)

Increase of control voltage

increases output frequency.

10% max.

Linearity:

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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