9B11900019

Series:	9B
Packaging:	Bulk
Part Status:	Active
Type:	MHz Crystal
Frequency:	11.9MHz
Frequency Stability:	±30ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	32pF
Operating Mode:	--
Operating Temperature:	-10°C ~ 60°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/US
Size / Dimension:	0.453" L x 0.197" W (11.50mm x 5.00mm)
Height - Seated (Max):	0.145" (3.68mm)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Crystals

Crystals are about much more than just pretty decorations or stones with properties used in theNew Age movement; they are the basis of modern electronics. 9B11900019 (often referred to as 9B1) is a type of crystal oscillator that is now ubiquitous in various types of applications, ranging from RF communications to clock oscillators. 9B1 features an accurate and reliable frequency control while consuming low power and providing excellent temperature stability. This article will discuss 9B1’s applications and internal working principle.

Applications of 9B1

9B1, being a temperature-compensated crystal oscillator (TCXO), is most commonly used for precision timing, frequency control, and stabilization in communication and navigation systems. In some cases, 9B1s are also used to control frequency and maintain a stable timing in mass storage devices.

RF Communications

One of the most popular applications of 9B1s is in RF communications. In fact, 9B1s are now crucial components of modern communication devices as they enable precise and reliable tuning in digital radios. RF devices using 9B1s can provide frequency accuracy on the order of parts per million (ppm), making them the perfect solution for systems where exact frequency specifications are necessary.

Navigation Systems

Navigation is another area where 9B1 shines. 9B1 TCXOs are frequently found in GPS systems, where their precise and reliable frequency control makes them ideal for guiding the device to its destination accurately. 9B1s can also be used in other types of navigation such as robotics, AR/VR applications, autonomous vehicles, and UAVs, in which precise timing and synchronization between various components is critical.

Mass Storage Devices

Another popular application of 9B1s is in mass storage devices. Hard drives, SSDs, and other types of memory devices require accurate frequency control in order to read and write data accurately. 9B1s provide this precise frequency control, making them instrumental for the reliable operation of modern storage devices.

Internal Working Principle of 9B1

The working principle of 9B1 TCXO is based on the crystal oscillation circuit, which consists of a resonance circuit, T-shaped feedback loop, amplifier, and capacitors. The quartz crystal is the core element of this circuit as it provides the oscillations needed to generate the frequency output of the oscillator.When the quartz crystal receives an electrical signal at its resonance frequency, it begins to vibrate, producing small voltage oscillations. This alternating voltage is then passed through the T-shaped feedback loop, where it is amplified before being sent to the output pins of the oscillator. The capacitors in the feedback loop act as a buffer, preventing excessive current from flowing through the crystal and amplifying the signal without introducing excessive distortion.At the same time, the temperature-compensating feature of the 9B1 TCXO ensures that the frequency output is accurate and stable regardless of the ambient temperature. It does this by making use of a temperature-sensitive element, such as a thermistor, which adjusts the frequency of the oscillator to compensate for changes in the ambient temperature.

Conclusion

9B11900019 (9B1) is a type of crystal oscillator that is widely used in various types of applications, ranging from RF communications to mass storage devices. Due to its accurate frequency control, low power consumption, and excellent temperature stability, 9B1 is the perfect choice for systems where precise frequency specifications are necessary. The working principle of 9B1 is based on the crystal oscillation circuit, which makes use of a quartz crystal and capacitors to provide the desired frequency output. The temperature-compensating feature of 9B1 ensures that the frequency output is accurate and stable regardless of the ambient temperature.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description