Datasheet > VEM44S3-10.000-0.5/0+50

VEM44S3-10.000-0.5/0+50

更新时间： 2024-11-03 09:01:19

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
1页	177K
描述
Oscillator

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VEM44S3-10.000-0.5/0+50 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)

100

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)

-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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