TD-22.1184MCD-T

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Introduction

Oscillators are electronic components that produce a repetitive signal, typically in the form of a sine wave, square wave, triangle wave or some other waveform. Oscillators are used to create harmonic tones and frequencies in a wide range of applications, from the audible range for music production and broadcasting to the ultrasound range for medical diagnosis. An oscillator is composed of a signal generator and an output amplifier. The output frequency can be adjusted by altering the device’s internal circuit elements such as resistors, capacitors and transistors.

TD-22.1184MCD-T

The TD-22.1184MCD-T is a type of miniature oscillator device produced by STMicroelectronics. This device is optimized for use in high frequency wireless applications such as Bluetooth headsets. This oscillator uses a MEMS resonator and two CMOS transistors in a tiny 2x2mm package. It has a high frequency range of 22.1184MHz and operates at a low voltage of 1.8 V. The device boasts a low jitter level of ±10ps and a phase noise of -160dBc/Hz at 1KH,z, making it ideal for use in wireless applications that require superior performance.

Application fields

The TD-22.1184MCD-T oscillator is an ideal solution for applications requiring high frequency, low-voltage operation. As such, it is used in various wireless applications, including Bluetooth headsets, Wi-Fi routers, and GSM/GPRS modules. The device’s low jitter and phase noise levels also make it well-suited for multimedia applications, such as digital audio players and digital cameras. Due to its small size, the TD-22.1184MCD-T is also well-suited for handheld devices and other space-constrained applications.

Working Principle

The TD-22.1184MCD-T oscillator is based on a MEMS resonator. A MEMS resonator is a tiny vibrating device composed of a dielectric layer and two metal electrodes. When a voltage is applied to the metal electrodes, the dielectric layer vibrates, creating a standing wave. This standing wave creates a repetitive signal at a frequency determined by the dimensions of the MEMS resonator. The resonator signal is then amplified and filtered to create the appropriate output frequency.

In addition to the MEMS resonator, the TD-22.1184MCD-T also contains two CMOS transistors. These transistors are used to condition the MEMS signal and adjust the output frequency of the oscillator. The two transistors are also used to regulate the current supply to the MEMS resonator, allowing the oscillator to operate at a low voltage.

Conclusion

In conclusion, the TD-22.1184MCD-T oscillator is a miniature device optimized for high frequency, low-voltage operation. This device combines a MEMS resonator with two CMOS transistors in a tiny 2x2mm package. The TD-22.1184MCD-T can be used in a wide range of applications, from wireless communications to multimedia applications. With its low jitter and phase noise levels, this oscillator is an ideal solution for applications that require superior performance.

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