Q-tech QT802 Square Wave Manual de usuario descargar pdf (Pagina 9)

QT801 and QT802 Square-Wave

24 pin DDIP

REV.

Q-TECH Corporation

10150 W. Jefferson Blvd.

Culver City, CA 90232

SIZE

CAGE NO.

51774

Sheet 9 of 10

3.8 Engineering Models

Engineering Models are fit, form, and function representative of Flight Models and of commercial

construction using commercial parts of same generic type as Flight Models. Completed oscillators are

not screened.

NOTES:

This oscillator is offered to meet the specifications above and is not guaranteed to meet any

other requirements.

▀ PART NUMBER GENERATION

SERIES

Output type

and supply

voltage

SYMMETRY

TEMPERATURE

RANGE (°C)

Stability

Over

Temperature

External

Tuning

Level

FREQUENCY

(MHz)

1: HCMOS, 5.0V

A:40%…60%

N: 0…+50………

±1 ppm

X: No tuning (± 1

ppm accuracy at

25°C)

E: Eng. Model

3.000…90.000

(See note 1)

2: HCMOS, 3.3V

T:(See note 2)

P: 0…+70…………

±1 ppm

R: External resistor

M: Flight Model

Q: 0…+70………

±2 ppm

V: External voltage

R: 0…+70………

±5 ppm

U: -20…+70……

±1 ppm

V: -20…+70……

±2 ppm

W:-20…+70……

±5 ppm

X: -40…+85……

±4 ppm

Y: -40…+85……

±5 ppm

Z: -40…+85……

±10 ppm

A: 0…..+50……

± 0.5ppm

G: 0….+70……

± 0.5ppm

H:-30…+70……

±2 ppm

K:-30…+70……

±4 ppm

QT80:

24 Pin

DDIP

(See note 1 below)

1. Variations from standard specification are available, please contact factory.

2. 45/55 Symmetry Contact factory for options available.

EXAMPLE:

QT802AURM-50.000000 would be a Flight Mode

l version HF TCXO, 24 pin DDIP, HCMOS 3.3 volts, 40/60 symmetry,

stability ±1 ppm over -20…+70°C, @ 50 MHz with external tuning via external resistor

QT802AURE-50.000000 would be an Engineering Model

version HF TCXO, 24 pin DDIP, HCMOS 3.3 volts, 40/60

symmetry, stability ±1 ppm over -20…+70°C, @ 50 MHz with external tuning via external resistor

ITAR-CONTROLLED Q-TECH PROPRIETARY DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH APPROVAL

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Q-tech QT802 Square Wave Manual de usuario Pagina 9

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