Datasheet > VEM42S3-9.600-1.0/-20+70

VEM42S3-9.600-1.0/-20+70

更新时间： 2023-05-15 00:00:00

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EUROQUARTZ		/
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1页	148K
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VEM42S3-9.600-1.0/-20+70 数据手册

QUARTZ

EURO

TCXO

VEM42S Series

Voltage-controlled Clipped Sinewave 11.4 x 9.6 x 2.5mm SMD

11.4 x 9.6 x 2.5mm 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

VEM42S - OUTLINES AND DIMENSIONS

Very low power consumption

DESCRIPTION

VEM42S series VCTCXOs are packaged in the industry-standard 11.4

x 9.6 x 2.5mm 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:

VEM42S

9.6MHz to 26.0MHz

Clipped sine wave

±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: See table

vs. Ageing:

±1.0 ppm max. first year

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

±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

Input Voltage Range:

3.0V and 5.0V are standard

Output Voltage Level

+3.0V supply:

VEM42S - TEST CIRCUIT

0.8V p-p minimum

+5.0V supply:

1.0V p-p minimum

Current Consumption:

Output Load:

See table

10k Ohms//15pF

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

Slope Polarity:

Linearity:

FREQUENCY STABILITY

TYPICAL PHASE NOISE

Frequency Stability (ppm)

0 ~ +50

±0.5

±1.0

±1.5

±2.0

±2.5

SSB Phase Noise

at 25°C

(VEM42 13MHz)

Offset (Hz)

dBc/Hz

100

10k

100k

-125

-72

-110

-125

-132

-10 ~ +60

ASK

Temperature

-20 ~ +70

Range (°C)

-30 ~ +75

-40 ~ +85

VEM42S - PART NUMBERING PROCEDURE

Example:

VEM42S3-19.44-2.5/-30+75

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

= standard specification

Series Description

Supply Voltage

CURRENT CONSUMPTION

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 O.T.R. in ppm)

Operating Temperature Range (OTR)

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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