EM42GS28-19.440-2.0/-30+75 datasheet, PDF

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EM42GS28-19.440-2.0/-30+75: DescriptionClipped Sine Output Oscillator, 19.44MHz Nom, ROHS COMPLIANT, SMD, 4 PIN; CategoryPassive components oscillator; File Size122KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/; Environmental Compliance

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EM42GS28-19.440-2.0/-30+75 Overview

Clipped Sine Output Oscillator, 19.44MHz Nom, ROHS COMPLIANT, SMD, 4 PIN

EM42GS28-19.440-2.0/-30+75 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Euroquartz
Reach Compliance Code	compliant
Ageing	1 PPM/FIRST YEAR
Frequency Adjustment - Mechanical	YES
frequency stability	2%
Installation features	SURFACE MOUNT
Nominal operating frequency	19.44 MHz
Maximum operating temperature	75 °C
Minimum operating temperature	-30 °C
Oscillator type	CLIPPED SINE
Output impedance	10000 Ω
Output level	0.8 V
physical size	11.4mm x 9.6mm x 2.5mm
Nominal supply voltage	2.8 V
surface mount	YES

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EURO

QUARTZ

Clipped Sinewave, 4 Pad FR4 substrate SMD

Industry-standard SMD package 11.4 x 9.6 x 2.5mm

Close tolerance stabilities from ±0.5ppm over 0° to +50°C

±1ppm over -40 to +85°C

Low power consumption

RoHS compliant

EM42GS TCXO

10MHz to 27MHz

EM42GS - OUTLINES AND DIMENSIONS

DESCRIPTION

EM42GS series TCXOs are packaged in the industry-standard 11.4 x

9.6 x 2.5mm SMD 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 part has low power consumption.

SPECIFICATION

Product Series Code

TCXO:

VCTCXO:

Frequency Range:

Output Waveform:

Initial Calibration Tolerance**:

Standard Frequencies:

EM42GS

VEM42GS

10.0MHz to 27.0MHz

Clipped Sinewave

<±1ppm at 25°C

10.0, 12.80, 13.0, 14.40,

15.36, 16.384, 19.2, 19.440,

and 19.68MHz (Partial list)

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)

+2.8, +3.0 or +5.0Volts

(Specify

when ordering)

0.8V p-p minimum

2ms typical, 5ms max.

See table below

10kOhm//10pF ±10%

-10dB typical, -7dB max.

See table

DC block, AC coupled

-50° to +100°C

Operating Temperature Range:

Frequency Stability

vs. Ageing:

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

Output Voltage Level:

Start-up Time:

Current Consumption:

Output Load:

Harmonic Distortion:

SSB Phase Noise:

FREQUENCY STABILITY

Output Format:

Storage Temperature:

FREQUENCY STABILITY

Frequency Stability (ppm)

0 ~ +50

-10 ~ +60

Temperature

Range (°C)

-20 ~ +70

-30 ~ +75

-40 ~ +85

±0.5

ASK

VEM42GS VOLTAGE CONTROL SPECIFICATION

Control Voltage:

Standard = +1.5±1.0Volts for all input

voltages.

(Contact technical sales if

+2.5±2.0 Volts is required.)

Frequency Deviation: ±6.0 ppm min.

Slope Polarity:

Positive

(increase of control voltage increases

output frequency.)

Input Impedance:

1.0M min.

Modulation Bandwidth: 3.0kHz min. measured at -3dB

Linearity:

10% max.

±1.0

±1.5

±2.0

±2.5

SSB Phase Noise

at 25°C

Offset

(Hz)

EM42GS

13MHz

(dBc/Hz)

PHASE NOISE

-80

100

-115

-135

10k

-148

100k

-150

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

CURRENT CONSUMPTION

Frequency Range

10.0MHz to 13MHz

13.1MHz to 20MHz

20.1MHz to 27MHz

+3.0 V

1.3mA

1.5mA

2.0mA

+5.0 V

2.0mA

2.2mA

2.5mA

PART NUMBERING PROCEDURE

Example:

EM42GS3-19.44-2.5/-30+75

Series Description

TCXO = EM42GS

VCTCXO = VEM42GS

Supply Voltage

28 = 2.8 VDC

3 = 3.0 VDC

5 = 5.0 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

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