Surface Mount VCXO

ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK

Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk

Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to

discontinue any product or make design changes we believe necessary.

Issue 1

§ Wide Frequency Range

§ Very Low Phase Jitter

§ Wide Pullability

§ Standard Footprint

§ Wide Operating Temperature

§ EMI Shielded

ECM VF594

Environmental & Mechanical

Mechanical

Shock

Mil STD 202 Method 213

Cond E

Thermal

Shock

Mil STD 883 Method 1011

Cond A

Vibration

MIL-STD-883 Method 2007

Cond A

Soldering

Condition

260

230

Hermetic

Seal

Leak rate less than 5x10

-8

Atm.cc/s of helium

Pin

1

2

3

4

Function

Vc

GND/ Case

O/P

Vcc

A

B

C

D

E

F

G

H

13.97

9.78

4.70

3.30

5.08

7.62

0.457

1.39

Dimensions in mm

Parameter

VF594

Notes

Frequency Range

1.54MHz to 160.0MHz

Frequency

Stability

+/-25ppm

Vs. Temp

Supply Voltage

5V +/-5%

3.3V +/-5%

Standard

Option

Supply Current

12mA @ 20MHz

No Load

Load

10TTL gates or 50pF MAX, AC Coupled

50R Termination recommended @F >54MHz

Duty Cycle

40 / 60 or 45/55

Specify

Rise & Fall Times

6nS max

Logic “1” Level

0.9Vcc min

Max Load

Logic “0” Level

0.1Vcc max

Max Load

Start Up Time

10mS max

2mS Typ

Phase Jitter

1pS max

Fj>1kHz

Modulation BW

10kHz @ -3dB min

Input Impedance

50K ohm min

Fm<10kHz

Control Voltage

0V to 5.0V

0V to 3.3V

Vcc 5.0V

Vcc 3.3V

Pulling Range

+/- 50ppm

Or Specify

Linearity

+/-5%, +/- 10% +/-20%

Specify

Setability (Vc for

center frequency)

2.50V typ

1.65V typ

Vcc 5.0V

Vcc 3.3V

Operating Temp

0

-45

Standard

Option

Part Numbering

VF594 S L 1 50 46.72M

Series

Stability S=20ppm

Blank=50ppm

Supply V L=3.3 Blank =5.0

Temp Range

1=-40+85 Blank= Std

Pulling Range

Frequency