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

TCXO

Clipped Sinewave 14 pin DIL compatible

EM39GS Series

DESCRIPTION

14 pin DIL package compatible

Frequency range: 9.6MHz to 27.0MHz

Supply voltage 2.8 to 5.0 Volts

Customized specifications available

RoHS compliant

EM39GS series TCXOs packages are compatible with the industry-

standard 14 pin Dual-in-Line package. With Clipped Sinewave output,

tolerances are available from ±1.0ppm over 0° to 50°C to ±1ppm

over -30° to +70°C. Supply voltage 2.8 to 5.0 Volts.

EM39GS - OUTLINES AND DIMENSIONS

FREQUENCY STABILITY

Frequency Range

+3.0 V

+5.0 V

10.0MHz to 13MHz

1.3mA

2.0mA

13.1MHz to 20MHz

1.5mA

2.2mA

20.1MHz to 27MHz

2.0mA

2.5mA

CURRENT CONSUMPTION

SPECIFICATION

Product Series Code

TCXO:

EM39GS

VCTCXO:

VEM39GS

Frequency Range:

9.6MHz to 27.0MHz

Output Waveform:

Clipped Sinewave

Initial Calibration Tolerance**:

<±1ppm at 25°C

Standard Frequencies:

10.0, 12.80, 13.0, 14.40,

15.36, 16.384, 19.2, 19.440,

and 19.68MHz (Partial list)

Operating Temperature Range:

See table

Frequency Stability

vs. Ageing:

±1.0 ppm max. first year

vs. Voltage Change:

±0.3 ppm max. ±5% change

vs. Load Change:

±0.3 ppm max. ±10% change

vs. Reflow:

±1ppm max. for one reflow

(Measured after 24 hours)

Supply Voltage:

+2.8, +3.0 or +5.0Volts

(Specify when ordering)

Output Voltage Level:

0.8V p-p minimum

Start-up Time:

2ms typical, 5ms max.

Current Consumption:

See table below

Output Load:

10kOhm//10pF ±10%

Harmonic Distortion:

-10dB typical, -7dB max.

SSB Phase Noise:

See table

Output Format:

DC block, AC coupled

Storage Temperature:

-50° to +100°C

PART NUMBERING PROCEDURE

Example:

EM39GS3-19.44-2.5/-30+75

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.

Series Description

TCXO = EM39GS

VCTCXO = VEM39GS

SSB Phase Noise

at 25°C

Offset

(Hz)

10

100

1k

10k

100k

EM39GS

13MHz

(dBc/Hz)

-80

-115

-135

-148

-150

PHASE NOISE

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.

VEM39GS VOLTAGE CONTROL SPECIFICATION

Frequency Stability (ppm)

±0.5

±1.0

±1.5

±2.0

±2.5

Temperature

Range (°C)

0 ~ +50

ASK

P

P

P

P

-10 ~ +60

x

P

P

P

P

-20 ~ +70

x

x

P

P

P

-30 ~ +75

x

x

x

P

-40 ~ +85

x

x

x

x

P

P

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

FREQUENCY STABILITY