IQXT-210

VCTCXO Specification

ISSUE 1; April 2016

Outline (mm)

Description

Temperature compensated crystal oscillator available with or

without voltage control

Please note: This document is intended to illustrate the

general capability and versatility of IQD’s design. For specific

enquiries please contact one of IQD’s Sales Offices where we

can tailor a unique specification to meet your needs.

Standard model options:-

IQXT-210-1 HCMOS, no pulling

IQXT-210-2 Clipped sine, no pulling

IQXT-210-3 HCMOS, with pulling

IQXT-210-4 Clipped sine, with pulling

Frequency Parameters

Frequency

10.0MHz to 50.0MHz

±0.50ppm

Frequency Tolerance

@ 25°C, 3.3V &

VC=1.5V/NC

Tolerance Condition

Frequency Stability

±0.05ppm to ±1.00ppm

±0.02ppm max per day, ±1ppm

max per year

Ageing

Frequency Tolerance (measurement referenced to frequency

observed with TA=25°C, Vs=3.3V, VC=1.5V/NC and within 30

days after ex-works)

Frequency Stability: TA varied across the operating

temperature range, measurement referenced to frequency

observed with TA=25°C, Vs=3.3V, VC=1.5V/NC,

load=15pF/10kΩ//10pF and temperature variable speed less

than 2°C per minute.

Ageing: TA=25°C, Vs=3.3V, VC=1.5V/NC and after 1hr of

operation.

Supply Voltage Variation (measurement referenced to

frequency observed with TA=25°C, Vs varied from 3.13V to

3.47V, VC=1.5V/NC and load=15pF/10kΩ//10pF): ±0.1ppm

max

Load Variation (5% load change measurement referenced to

frequency observed with TA=25°C, Vs=3.3V, VC=1.5V/NC and

load=15pF/10kΩ//10pF): ±0.1ppm max

Short Term Stability (@ 25°C after 10mins power on): 5E-10/s

typ @ 10MHz

Developed Frequencies: 10.0MHz, 12.80MHz, 13.0MHz,

16.320MHz, 16.3840MHz, 19.20MHz, 19.440MHz, 20.0MHz,

25.0MHz, 26.0MHz, 30.720MHz, 38.880MHz, 40.0MHz

Electrical Parameters

3.3V ±5%

Supply Voltage

Current: TA=25°C, Vs=3.3V, VC=1.5V/NC and

load=15pF/10kΩ//10pF

Frequency Adjustment

Pulling

±10ppm to ±15ppm

Control Voltage

1.5V ±1.5V

Linearity: ±10% max

Slope: Positive

Input Impedance: 100kΩ min

Note: 50MHz device has a reduced pulling range of ±5ppm to

±10ppm (please contact the IQD sale office to discuss your

requirements)

Printed on 26 Apr 16 12:01 using Model Data Sheet V1.2550

Page 1 of 3

Sales Office Contact Details:

USA: +1.760.318.2824

France: 0800 901 383

UK: +44 (0)1460 270200

Germany: 0800 1808 443

Email: info@iqdfrequencyproducts.com

Web: www.iqdfrequencyproducts.com