EM57S28-27.0-2.5/-10+60 [EUROQUARTZ]

Clipped Sine Output Oscillator, 27MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN;


型号：	EM57S28-27.0-2.5/-10+60
厂家：	EUROQUARTZ LIMITED
描述：	Clipped Sine Output Oscillator, 27MHz Nom, ROHS COMPLIANT, MINIATURE, SMD, 4 PIN 机械振荡器
文件：	总1页 (文件大小：140K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

QUARTZ

EURO

TCXO

EM57S Series

Clipped Sinewave 7 x 5 x 2mm SMD

Miniature SMD package 7 x 5mm

Frequency range: 9.6MHz to 40MHz

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

±1ppm over -40 to +85°C

Very low power consumption

EM57S - OUTLINES AND DIMENSIONS

DESCRIPTION

EM57S series TCXOs are packaged in the industry-standard 7 x 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

part has very low power consumption.

SPECIFICATION

Product Series Code

TCXO:

EM57S

VCTCXO:

VEM57S

Frequency Range:

Output Waveform:

Initial Calibration Tolerance**:

Standard Frequencies:

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

Operating Temperature Range:

Frequency Stability

vs. Ageing:

±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

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:

VEM57S VOLTAGE CONTROL SPECIFICATION

Control Voltage: Standard = +1.5±1.0Volts for all input

voltages. (Contact technical sales if

FREQUENCY STABILITY

Storage Temperature:

Output Format:

DC block, AC coupled

-50° to +100°C

+2.5±2.0 Volts is required.)

Frequency Deviation: ±6.0 ppm min.

Slope Polarity:

Positive (increase of control voltage increases

output frequency.)

FREQUENCY STABILITY

Input Impedance:

1.0M min.

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

Frequency Stability (ppm)

0 ~ +50

±0.5

±1.0

±1.5

±2.0

±2.5

Linearity:

10% max.

ASK

PHASE NOISE

-10 ~ +60

Temperature

-20 ~ +70

Range (°C)

Offset

(Hz)

100

10k

100k

-150

-30 ~ +75

-40 ~ +85

SSB Phase Noise

at 25°C

EM57S

13MHz

-80 -115

-135

-148

(dBc/Hz)

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

PART NUMBERING PROCEDURE

CURRENT CONSUMPTION

Example:

EM57S3-19.44-2.5/-30+75

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

Series Description

TCXO = EM57S

VCTCXO = VEM57S

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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