Datasheet > VEM38S5-19.44-2.5/-20+70

VEM38S5-19.44-2.5/-20+70

更新时间： 2023-05-15 00:00:00

品牌	Logo	应用领域
EUROQUARTZ		/
页数	文件大小	规格书
1页	149K
描述
Clipped Sine Output Oscillator, 19.44MHz Nom, DIP-14/4

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VEM38S5-19.44-2.5/-20+70 数据手册

QUARTZ

EURO

VEM38S Series

TCXO

Voltage-controlled Clipped Sinewave 14 pin DIL compatible

14 pin DIL compatible package

Frequency range: 9.6MHz to 26.0MHz

Supply voltage 3.0 or 5.0 Volts

EFC tuning ±5ppm to ±12ppm

Customized specifications available

VEM38S - OUTLINES AND DIMENSIONS

DESCRIPTION

VEM38S series TCXOs are packaged in 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 3.0 or 5.0 Volts. The output is controllable by

EFC enabling output variation of ±5ppm to ±12ppm.

SPECIFICATION

Product Series Code:

Frequency Range:

Output Waveform:

Standard Frequencies:

VEM38S

9.6MHz to 26.0MHz

Clipped Sinewave

9.6, 10.0, 12.80, 13.0, 14.40,

15.36, 16.384, 19.200,

19.44 and 19.68MHz.

(Partial list)

Operating Temperature Range:

Frequency Stability:

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)

+3.0 VDC (Code ‘3’)

+5.0 VDC (Code ‘5’)

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

Output Voltage Levels

3.0 Volt supply:

5.0 Volt supply:

Start-up Time:

0.8V peak-peak

1.0V peak-peak

10ms max.

VEM38S - TEST CIRCUIT

Current Consumption:

Output Load:

SSB Phase Noise:

Electrical Frequency Tuning:

3.0 Volt supply:

see table

10kOhm//15pF

See table

±5ppm to ±12ppm

for control V. +1.5V ±1.0V

±6ppm to ±12ppm

for control V. +2.5V ±2.0V

±10% max.

5.0 Volt supply:

Linearity:

Harmonic Distortion:

Storage Temperature:

-12dB max., -9dB typ.

-50° to +100°C

FREQUENCY STABILITY

Frequency Stability (ppm)

±1.0

±1.5

±2.0

±2.5

0 ~ +50

Operating

Temperature

Range (°C)

-10 ~ +60

-20 ~ +70

-30 ~ +75

VEM38S - PART NUMBERING PROCEDURE

Example:

VEM38S3-19.44-2.5/-30+75

= standard specification

PHASE NOISE (Example: VEM38S at 10.0MHz)

Series Description

Supply Voltage

3 = 3.0 VDC

5 = 5.0 VDC

Frequency

Offset

(Hz)

100

10k

100k

-125

SSB Phase Noise

at 25°C

Stability over OTR (ppm)

Operating Temperature Range (OTR) (°C)

VEM38S

10MHz

-72

-110

-125

-132

(dBc/Hz)

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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