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High Frequency Crystal Oscillator
Custom Oscillators

Introduction

   Package Options  

   Package Drawings

   Ordering

High Frequency



Environmental Data

Phase Noise

Glossary of Terms

Dealing with dBm

Manufacturing


Oscillator Home
Standard Oscillators

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Custom Oscillator Package Options

Specification Performance Package
Frequency 1 Hz to 40 Mhz
4 MHz to 40 MHz
250 kHz to 40 MHz
A, B, B1, D, D1, F
E, E1, G
C, C1, H, H1
Voltage +5.0 to +15.0 volts A, B, B1, C, C1, D, D1, E, E1, F, G, H, H1
HCMOS & LSTTL Output
     Waveform
     Logic Levels
     Fan Out
     Mark Space Ratio
     Fall & Rise Ratio
 
Squarewave HCMOS/TTL compatible
Low <+0.4V   High >+4.5V
30pF or 5 TTL Gates
55:45 at 45:55 at +2.5V
5ns maximum

A, B, B1, C, C1, D, D1, E, E1, F, G, H, H1
TTL Output
     Waveform
     Logic Levels
     Fan Out
     Mark Space Ratio
 
TTL Compatible
Low <+0.4V   High >+2.4V
3 TTL Gates
65:35 at 35:65 at +1.4V

A, B, D, D1, F, G
Sinewave Output
     Waveform
     Output Level
     Load Impedance
 
A.C. coupled sinewave
1 volt peak to peak minimum
1 kW in parallel with 12pF

A, B, D, D1, F, G
  Adjustment Method
     External Potentiometer
     Internal Trimmer
     External Voltage
   
5.0ppm min. via an external 10kW pot.
5.0ppm min. via an internal trimmer cap.
100ppm min. via a control voltage of +0.5 to
      +4.5V (up to 250ppm is available upon
       request)

A, B, C, D
B1, C1, D1, E1, F, G, H1
E, H
Stability
     With Time
     With Voltage
     With Load
    
     With Time
     With Voltage
     With Load

     With Temperature

 
1.0ppm per year max. at +25C

0.3ppm for a 5% change in supply voltage
0.3ppm for a 10% change in load impedance

2.0ppm per year max. at +25C
3.0ppm for a 5% change in supply voltage
0.5ppm for a 10% change in load impedance

See temperature tables

 
E, E1, H, H1

Customised Oscillators
These types of customised oscillators represent only our most popular units from a much wider range. As with all frequency control products the majority of users require unique specifications for many of their products. Hy-Q specialise in custom designs and hence any criteria which is not met from our standard range can usually be incorporated into a custom design. Whatever the requirement, even if it seems well outside the range of the standard products on offer, our technical staff are always available to discuss your application and decide upon the device specifications that best suit your needs.

General Note
Ageing: Ageing specifications are based on experience of our previously manufactured devices and are not explicitly guaranteed.

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