Crystal Oscillators

A crystal oscillator is a electromechanical device, it's also an electronic oscillator circuit. The main purpose of an oscillator is to make use of a quartz crystal as a frequency. Crystal oscillator’s use the mechanical resonance of a vibrating crystal, of which is made up from a piezoelectric material. This process allows the oscillator to create and obtain an electric signal with a high precision frequency.


Where Crystal Oscillators are used


This type of frequency is mostly used to keep track of time within a wrist watch or a digital integrated circuit, to provide a stable clock signal. This is where this signal gained it's commonly referred to name "clock signal". This clock signal is used to synchronise the operation of the other electronic devices that make up the system the oscillator is housed in. An oscillator is also used to help stabilise frequencies for radio transmitters and receivers, used in clocks (clock oscillator), computers and cell phones. Quartz crystal can also be found inside test and measurement equipment such as counters, signal generators and oscilloscopes.


A little more information on Crystal Oscillators


  • Crystal oscillators are known to be superior to ceramic resonators, this is for a multitude of reasons. They offer higher stability, they're higher quality and are considerably lower in cost and more compact in size.

  • Quartz crystals are manufactured for frequencies that range from a few tens of kilohertz all the way up to hundreds of megahertz.

Types of Crystal Oscillators


  • TCXO - These are used when a temperature stability is needed and can't be attained through a standard crystal oscillator (XO) or a voltage controlled crystal oscillator (VCXO).

  • OCXO - This is an oven controlled crystal oscillator, a type of oscillator that achieves the highest frequency stability that a quartz crystal can. They are designed to operate inside a temperature controlled oven, they are physically larger and require more power to run.

  • VCXO - This is a voltage controlled crystal oscillator, it controls the change in crystal output by using a DC (direct current) voltage.

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Description Price Oscillator Type Output Frequency Output Level Frequency Stability Mounting Type Package Type Minimum Operating Supply Voltage Maximum Operating Supply Voltage Pin Count Length Minimum Operating Temperature Width Height Maximum Operating Temperature
RS庫存編號 703-7144
製造零件編號AS-24.000-18-SMD
BrandRALTRON
TWD14.30
個 (以毎袋:10)
單位
- - - ±50ppm Surface Mount HC-49-US SMD - - - - -20°C - 4.6mm 70°C
RS庫存編號 173-5897
製造零件編號QX233A8.000000B15R
BrandQANTEK
TWD63.00
個 (在毎卷:1000)
單位
Clock 8MHz HCMOS ±25ppm Surface Mount SMD - - - - -40°C - 0.95mm 85°C
RS庫存編號 813-6318
製造零件編號QX233A8.000000B15R
BrandQANTEK
TWD78.00
單位
Clock 8MHz HCMOS ±25ppm Surface Mount SMD - - - - -40°C - 0.95mm 85°C
RS庫存編號 703-2414
製造零件編號ASE3-25.000MHz-K
BrandAbracon
TWD58.00
單位
Clock 25MHz CMOS ±30ppm Surface Mount SMD - - - - -10°C - 1.2mm 70°C
RS庫存編號 173-4578
製造零件編號QX733A12.00000B15R
BrandQANTEK
TWD52.50
個 (在毎卷:1000)
單位
Clock 12MHz HCMOS ±25ppm Surface Mount SMD - - - - -40°C - 1.4mm 85°C
RS庫存編號 173-5857
製造零件編號S53305-24.000-X
BrandAKER
TWD99.10
個 (在毎卷:250)
單位
Clock 24MHz CMOS ±50ppm Surface Mount SMD - - - - -40°C - 0.95mm 85°C
RS庫存編號 173-4622
製造零件編號XO53050UITA-50.000
BrandEuroquartz
TWD47.40
個 (在毎卷:1000)
單位
XO 50MHz HCMOS, LSTTL ±50ppm Surface Mount SMD - - - - -40°C - 1mm 85°C
RS庫存編號 813-6208
製造零件編號QX733A12.00000B15R
BrandQANTEK
TWD66.00
單位
Clock 12MHz HCMOS ±25ppm Surface Mount SMD - - - - -40°C - 1.4mm 85°C
RS庫存編號 671-9696
製造零件編號S53305-24.000-X
BrandAKER
TWD101.00
單位
Clock 24MHz CMOS ±50ppm Surface Mount SMD - - - - -40°C - 0.95mm 85°C
RS庫存編號 693-9241
製造零件編號XO53050UITA-50.000
BrandEuroquartz
TWD114.00
單位
XO 50MHz HCMOS, LSTTL ±50ppm Surface Mount SMD - - - - -40°C - 1mm 85°C
RS庫存編號 173-5881
製造零件編號QX14T50B50.00000B50TT
BrandQANTEK
TWD59.90
毎管:25 個
單位
Clock 50MHz HCMOS ±50ppm Through Hole DIP14 - - - - -40°C - 5.08mm 85°C
RS庫存編號 796-0574
製造零件編號QX8T50B7.372800B50TT
BrandQANTEK
TWD82.00
單位
XO 7.3728MHz HCMOS ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS庫存編號 146-3948
製造零件編號LFSPXO018034 831018034
BrandIQD
TWD29.50
個 (在毎卷:1000)
單位
Clock 16MHz HCMOS, TTL ±50ppm Surface Mount SMD - - - - 0°C - 1.4mm 70°C
RS庫存編號 153-3667
製造零件編號LFSPXO018034 831018034
BrandIQD
TWD39.80
/個 (每包:10個)
單位
- - - - - - - - - - - - - -
RS庫存編號 146-3997
製造零件編號LFSPXO018035 831018035
BrandIQD
TWD30.60
個 (以毎袋:100)
單位
Clock 50MHz HCMOS, TTL ±50ppm Surface Mount SMD - - - - 0°C - 1.4mm 70°C
RS庫存編號 173-4643
製造零件編號QX8T50B7.372800B50TT
BrandQANTEK
TWD59.80
毎管:40 個
單位
XO 7.3728MHz HCMOS ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS庫存編號 173-4698
製造零件編號OV-7604-C7-STD-020
TWD82.30
個 (在毎卷:3000)
單位
XO 32.768kHz HCMOS ±20ppm Surface Mount SMD - - - - -40°C - 1mm 85°C
RS庫存編號 703-7113
製造零件編號AS-12.000-18-SMD
BrandRALTRON
TWD14.30
個 (以毎袋:10)
單位
- - - ±50ppm Surface Mount HC-49-US SMD - - - - -20°C - 4.6mm 70°C
RS庫存編號 111-0718
製造零件編號KC7050A50.0000C50D00
BrandKYOCERA
TWD69.00
單位
Clock 50MHz CMOS ±50ppm Surface Mount CSMD - - - - -10°C - 1.6mm 70°C
RS庫存編號 703-7103
製造零件編號AS-8.000-18-SMD
BrandRALTRON
TWD14.30
個 (以毎袋:10)
單位
- - - ±50ppm Surface Mount HC-49-US SMD - - 2 12mm -20°C 4.8mm 4.6mm 70°C