978WEBTFREQ datasheet, PDF - EEWORLD Datasheet

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978WEBTFREQ: DescriptionClipped Sine Output Oscillator, 30MHz Min, 200MHz Max, NON-HERMETIC, DIP-4; CategoryPassive components oscillator; File Size172KB，2 Pages; ManufacturerCorning Frequency Control Inc

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978WEBTFREQ Overview

Clipped Sine Output Oscillator, 30MHz Min, 200MHz Max, NON-HERMETIC, DIP-4

978WEBTFREQ Parametric

Parameter Name	Attribute value
Reach Compliance Code	unknown
Ageing	1 PPM/YEAR
Frequency Adjustment - Mechanical	YES
frequency stability	1%
Manufacturer's serial number	978W
Installation features	THROUGH HOLE MOUNT
Maximum operating frequency	200 MHz
Minimum operating frequency	30 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	CLIPPED SINE
Output impedance	1000 Ω
Output level	1 V
physical size	19mm x 12.2mm x 6.6mm
Nominal supply voltage	3.3 V
surface mount	NO
Base Number Matches	1

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978W

Typical Applications

PCS Base Stations

Land Mobile Radio

Cellular Telephony

Radio in the Local Loop

Test Equipment

Avionics

TCXO

Features

High Frequency

3.3 Volt Supply

Low Profile Package

Standard 4-Pin DIP Package

Mechanical Control, EFC Optional

Surface Mount Options Available

Frequency Range

Parameters

Operating

Temperature Range

Frequency Stability

(ppm)

> 30 MHz – 200 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

1.0 ppm

2.0 ppm

2.5 ppm

5.0 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

978WCB

978WAD

978WDE

978WDF

978WBD

978WBE

978WCB

978WCD

978WCE

978WEB

978WED

978WEE

978WHCB

978WHAD

978WHDE

978WHDF

978WHBD

978WHBE

978WHCB

978WHCD

978WHCE

978WHEB

978WHED

978WHEE

Typical Phase Noise @ 40 MHz

Note: Model 978W 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 40 mA

1 ppm/year

3.5 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

v1.1.2001-10-09

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

1/2

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