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 815-0456
製造零件編號QTX518A11.0592B15R
HK$24.37
單位
Clock 11.0592 MHz HCMOS, TTL ±25ppm Surface Mount SMD 1.8 V 1.8 V - - -40 °C - 1.3mm +85 °C
RS庫存編號 815-0421
製造零件編號QTX733A32.0000B15R
HK$20.42
單位
Clock 32 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS庫存編號 815-0437
製造零件編號QTX733A40.0000B15R
HK$20.42
單位
Clock 40 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS庫存編號 815-0425
製造零件編號QTX733A33.0000B15R
HK$20.42
單位
Clock 33 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS庫存編號 815-0412
製造零件編號QTX733A25.0000B15R
HK$20.42
單位
Clock 25 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS庫存編號 815-0636
製造零件編號QTX318A27.0000B15TR
HK$23.48
單位
Clock 27 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 1.8 V - - -40 °C - 1.2mm +85 °C
RS庫存編號 815-0493
製造零件編號QTX533A11.0592B15R
HK$22.71
單位
Clock 11.0592 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.3mm +85 °C
RS庫存編號 815-0582
製造零件編號QTX333A25.0000B15TR
HK$21.44
單位
Clock 25 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS庫存編號 815-0440
製造零件編號QTX733A50.0000B15R
HK$20.42
單位
Clock 50 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS庫存編號 815-0538
製造零件編號QTX533A33.3330B15R
HK$19.30
單位
Clock 33.3333 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.3mm +85 °C
RS庫存編號 815-0651
製造零件編號QTX218A50.0000B15R
HK$27.44
單位
Clock 50 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 1.8 V - - -40 °C - - +85 °C
RS庫存編號 815-0614
製造零件編號QTX333A48.0000B15TR
HK$22.20
單位
Clock 48 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS庫存編號 815-0522
製造零件編號QTX533A30.0000B15R
HK$22.71
單位
Clock 30 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.3mm +85 °C
RS庫存編號 815-0513
製造零件編號QTX533A24.5760B15R
HK$22.71
單位
Clock 24.576 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.3mm +85 °C
RS庫存編號 815-0497
製造零件編號QTX533A12.0000B15R
HK$16.93
單位
Clock 12 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.3mm +85 °C
RS庫存編號 815-0563
製造零件編號QTX333A10.0000B15TR
HK$18.22
單位
Clock 10 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS庫存編號 815-0419
製造零件編號QTX733A29.4912B15R
HK$20.42
單位
Clock 29.4912 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS庫存編號 815-0591
製造零件編號QTX333A27.0000B15TR
HK$21.44
單位
Clock 27 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS庫存編號 815-0434
製造零件編號QTX733A33.3330B15R
HK$20.42
單位
Clock 33.3333 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS庫存編號 815-0447
製造零件編號QTX518A10.0000B15R
HK$20.71
單位
Clock 10 MHz HCMOS, TTL ±25ppm Surface Mount SMD 1.8 V 1.8 V - - -40 °C - 1.3mm +85 °C