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The Role of Quartz Crystals in Modern Technology

 

Quartz crystals are an essential component of modern technology, providing precise and stable timing for various electronic devices. These crystals vibrate at specific frequencies when an electric field is applied, making them an ideal choice for timing circuits and electronic equipment that require accuracy and stability. Here we discuss the different frequencies of quartz crystals used in IoT, Bluetooth, remote control, Wi-Fi, telecommunications, consumer electronics, and medical equipment, along with some specific examples.

 

IoT (32.768 kHz)

The Internet of Things (IoT) refers to a network of interconnected devices that communicate with each other via the internet. Quartz crystals with low-frequency clock signals are used in IoT devices to ensure proper operation of microcontrollers. The most commonly used frequency is 32.768 kHz.

 

Some examples of IoT devices and their corresponding frequencies include:

 

1.  Adafruit Feather M0 WiFi - 32.768 kHz

2.  Texas Instruments CC1310 SimpleLink™ Sub-1 GHz Wireless MCU - 32.768 kHz

3.  Nordic Semiconductor nRF52832 Bluetooth 5 SoC - 32.768 kHz

 

Bluetooth (24 MHz)

Bluetooth is a wireless technology that enables devices to communicate with each other over short distances. Quartz crystals with high-frequency clock signals are used in Bluetooth devices to provide a stable clock signal that is essential for accurate data transmission. The most commonly used frequency in Bluetooth devices is 24 MHz.

 

Here are some examples:

 

1.  Apple AirPods Pro - 24 MHz

2.  Logitech MX Master 3 Wireless Mouse - 24 MHz

3.  JBL Flip 5 Portable Bluetooth Speaker - 24 MHz

 

Remote Control (4 MHz or 455 kHz)

Remote controls are used to operate various electronic devices such as TVs, air conditioners, and DVD players. Infrared (IR) remote controls use a quartz crystal oscillator to generate a carrier frequency that modulates the IR signal. The frequency of quartz crystals used in remote controls can range from 4 MHz to 455 kHz.

 

Some examples of remote control frequencies include:

 

1.  Logitech Harmony Elite Remote Control - 455 kHz

2.  Syma S107G RC Helicopter - 4 MHz

3.  Chamberlain Clicker Universal Garage Door Opener Remote Control - 315 MHz

 

Wi-Fi (25 MHz or 40 MHz)

Wi-Fi is a wireless networking technology that uses radio waves to provide high-speed internet and network connections. Quartz crystals with high-frequency clock signals are used in Wi-Fi routers to ensure accurate and stable data transmission. The most commonly used frequencies in Wi-Fi devices are 25 MHz and 40 MHz.

 

Some examples of Wi-Fi devices and their corresponding frequencies include:

 

1.  Netgear Nighthawk X10 AD7200 Wi-Fi Router - 40 MHz

2.  Amazon Echo Show (2nd Generation) - 25 MHz

3.  TP-Link Kasa Smart Wi-Fi LED Light Strip - 40 MHz

 

Telecommunications (19.2 MHz, 26 MHz, 38.4 MHz, or 52 MHz)

Telecommunications equipment such as cellular phones, GPS devices, and satellite communication systems use quartz crystals to provide accurate timing signals. Different frequencies of quartz crystals are used depending on the specific application.

 

Some examples include:

 

1.  iPhone 12 Pro Max - 52 MHz

2.  Iridium 9555 Satellite Phone - 19.2 MHz

3.  Garmin GPSMAP 66i GPS Handheld and Satellite Communicator - 26 MHz

 

Consumer Electronics (4 MHz, 8 MHz, 12 MHz, or 16 MHz)

Consumer electronics such as digital cameras, gaming consoles, and MP3 players use quartz crystals to ensure accurate timing and stable operation.

The frequency of quartz crystals used in consumer electronics varies depending on the specific application.

 

Some examples include:

 

1.  Sony PlayStation 5 - 16 MHz

2.  Canon EOS R5 Mirrorless Camera - 12 MHz

3.  Apple iPod Touch - 8 MHz

 

Medical Equipment (32 kHz, 4 MHz, or 20 MHz)

Quartz crystals are used in medical equipment to provide accurate timing signals for various functions, such as heart rate monitors, blood pressure monitors, and ultrasound machines. Different frequencies of quartz crystals are used depending on the specific application.

 

Some examples include:

 

1.  Omron BP7000 Evolv Wireless Upper Arm Blood Pressure Monitor - 32 kHz

2.  Philips Lumify Portable Ultrasound Machine - 20 MHz

3.  Healthcare MAC 800 ECG System - 4 MHz

 

Conclusion

 

Quartz crystals play an essential role in modern technology by providing precise and stable timing signals for various electronic devices. Different frequencies of quartz crystals are used depending on the specific application, ranging from low-frequency clock signals of 32.768 kHz used in IoT devices to high-frequency clock signals of 24 MHz used in Bluetooth devices. It is important to select the appropriate frequency of quartz crystals to ensure accurate and stable operation of electronic devices.

 

Fuji Crystal (Hong Kong) Electronics Co., Ltd. is a professional frequency component manufacturer that offers a wide range of high-quality quartz crystals to meet the diverse needs of different industries. At Fuji Crystal (Hong Kong) Electronics Co., Ltd., we understand the importance of high-quality quartz crystals in the operation of consumer electronics. Our FCom brand offers a wide range of options for various consumer electronic devices. Our team of experts works tirelessly to ensure that our products meet the highest standards of quality and reliability.