978HDEGFREQ datasheet, PDF - EEWORLD Datasheet

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978HDEGFREQ: DescriptionCMOS Output Clock Oscillator, 1MHz Min, 30MHz Max; CategoryPassive components oscillator; File Size182KB，2 Pages; ManufacturerCorning Frequency Control Inc

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978HDEGFREQ Overview

CMOS Output Clock Oscillator, 1MHz Min, 30MHz Max

978HDEGFREQ Parametric

Parameter Name	Attribute value
Maker	Corning Frequency Control Inc
Reach Compliance Code	unknown
Ageing	1 PPM/YEAR
Frequency Adjustment - Mechanical	YES
frequency stability	2.5%
Manufacturer's serial number	978
Installation features	SURFACE MOUNT
Maximum operating frequency	30 MHz
Minimum operating frequency	1 MHz
Maximum operating temperature	70 °C
Minimum operating temperature
Oscillator type	CMOS
physical size	19mm x 12.19mm x 6.73mm
Nominal supply voltage	3.3 V
surface mount	YES
Base Number Matches	1

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978

Typical Applications

PCS Base Stations

Land Mobile Radio

Cellular Telephony

Radio in the Local Loop

Test Equipment

Avionics

TCXO

Features

3.3 Volt Supply

Low Profile Package

Standard 4-Pin DIP Package

Mechanical Control, EFC Optional

High Stability

Surface Mount Options Available

Frequency Range

Parameters

Operating

Temperature Range

Frequency Stability

(ppm)

1 MHz – 30 MHz

Model Numbers

Clipped Sine Wave

(1 Vpp min. into 1kΩ)

Square Wave

(CMOS)

0....50°C

0.....70°C

-20....+70°C

-30....+70°C

-40....+85°C

0.5 ppm

1.0 ppm

2.0 ppm

1.0 ppm

2.5 ppm

5.0 ppm

1.0 ppm

1.5 ppm

2.0 ppm

2.5 ppm

1.0 ppm

2.0 ppm

2.5 ppm

1.0 ppm

2.0 ppm

2.5 ppm

978AA

978AB

978AD

978DB

978DE

978DF

978BB

978BC

978BD

978BE

978CB

978CD

978CE

978EB

978ED

978EE

978HAA

978HAB

978HAD

978HDB

978HDE

978HDF

978HBB

978HBC

978HBD

978HBE

978HCB

978HCD

978HCE

978HEB

978HED

978HEE

Typical Phase Noise @ 10 MHz

Note: Model 978 custom versions available with output waveforms of ACMOS, SINE, ECL & PECL

Additional Parameters

Supply Voltage:

Current

Clipped Sinewave:

CMOS:

Aging:

Mechanical Frequency

Control:

Electrical Frequency

Control

Voltage Range:

Deviation:

Slope:

Input Impedance:

+3.3 Vdc

2 mA to 6 mA

5 mA to 20 mA

1 ppm/year

3 ppm min.

1Hz Offset

10Hz Offset

100Hz Offset

1kHz Offset

10kHz Offset

<- 55 dBc / Hz

<-90 dBc / Hz

<-120 dBc / Hz

<-140dBc / Hz

<-150dBc / Hz

0 to 3 Vdc

8 ppm min.

(others available)

Positive

> 10 kohms

Corning Frequency Control • Worldwide Data Book 2001

v1.1.2001-04-17

Corning Frequency Control Inc.

• 100 Watts Street • Mt. Holly Springs, PA 17065 • Tel 1-717-486-3411 • Fax 1-717-486-5920 • www.corningfrequency.com

Tele Quarz GmbH & Co. KG

• Landstrasse • D-74924 Neckarbischofsheim, Germany • Tel +49-7268-801-0 • Fax +49-07268-801-281 • www.telequarz.de

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