Crystal Oscillators for Full Space Applications

Product catalog summary

Overview
This document provides detailed specifications for Q-Tech's crystal oscillators designed for full space applications, highlighting their resilience to harsh radiation environments beyond Low Earth Orbit (LEO). The document categorizes oscillators into various types, each with specific features and applications.

Crystal Oscillators (XOs)

Product Lines: QT625L/C, QT625xL/xN, QT625LW, QT697LW
Frequency Range: 750kHz - 250MHz
Stability: ±25ppm to ±50ppm
Temperature Range: -55°C to 125°C
Radiation Tolerance: 100kRad(Si) TID
Supply Voltage: 1.8V to 5.0V
Output Types: CMOS, LVDS, TTL, LVPECL
Screening Standards: MIL-PRF-38534, Class K; MIL-PRF-55310, Level S

Temperature Compensated Crystal Oscillators (TCXOs)
TCXOs offer enhanced frequency stability in compact packages, suitable for precise applications.

Voltage Controlled Crystal Oscillators (VCXOs)
VCXOs provide frequency control through voltage variation, ideal for applications requiring frequency modulation.

Oven Controlled Crystal Oscillators (OCXOs)

Product Lines: QT4100, QT4200, AXIOM6060
Frequency Range: 1MHz - 125MHz
Stability: as low as ±10 ppb
Temperature Range: -40°C to 85°C
Radiation Tolerance: 100kRad(Si) TID
Output Types: CMOS, Sine Wave

Surface Acoustic Wave Crystal Oscillators (SAWs)

Product Lines: QT625S, QT725S
Frequency Range: 400MHz - 1.3GHz
Stability: -200 to 50 ppm ±20 ppm
Radiation Tolerance: 300kRad(Si) TID
Output Types: Sine Wave

Key Features and Applications
The oscillators are designed to drive multiple FPGAs with low-skew outputs, ensuring precise timing in space applications. They are screened to military standards, ensuring reliability in extreme conditions.

Catalog excerpts

Crystal Oscillators for Full Space Applications-1

Crystal Oscillators for Full Space Applications The full space environment is particularly demanding on electronic components. Extending far beyond the emerging LEO environment, full space oscillators are exposed to harsher levels of radiation. A wide selection of XOs in small surface mount and standard leaded packages. Product Line Temperature Range Consult Factory Consult Factory Crystal Type Crystal Mount Size Special Notes CMOS, TTL, LVDS, LVPECL Consult Factory Multiple, low-skew outputs drive multiple FPGAs with one clock See Website for Complete List

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Crystal Oscillators for Full Space Applications-2

Crystal Oscillators for Full Space Applications Voltage Controlled Crystal Oscillators (VCXOs) Product Line Temperature Range Consult Factory Crystal Type Crystal Mount CMOS, Sine Wave Sine Wave Temperature Compensated Crystal Oscillators (TCXOs) TCXOs deliver tighter frequency stability performance in small package options. Product Line Temperature Range Crystal Type Crystal Mount CMOS, Sine Wave 24-pin DIP: 1.280 x .790 x .300 in 24-pin Flat Pack: .975 x 1.275 x .210 in 32-pin Flat Pack: 1.015 x 1.015 x .200 in

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Crystal Oscillators for Full Space Applications-3

Crystal Oscillators for Full Space Applications Oven Controlled Crystal Oscillators (OCXOs) OCXOs provide ppb stability and low long term aging for the most stringent space applications. Product Line Temperature Range Crystal Type Crystal Mount CMOS, Sine Wave Sine Wave Screening Size

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Crystal Oscillators for Full Space Applications-4

Crystal Oscillators for Full Space Applications Surface Acoutic Wave Crystal Oscillators (SAWs) Product Line Frequency Stability / Absolute Pull Range (APR) Temperature Range Sine Wave Special Note Voltage Controlled SAW Oscillator

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Crystal Oscillators for Full Space Applications

Crystal Oscillators for Full Space Applications

Catalog excerpts

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