7C-12.000MBB-T

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Oscillators are indispensable electronic components that are widely used in various applications. They provide stable, reliable, and low-cost sources of repetitive signals for various functions. 7C-12.000MBB-T (7C-12) is one such oscillator designed to operate in telecommunications systems. Its outstanding features helps it to be applied in the field of precise timekeeping and frequency control operations. This article gives an overview of the 7C-12 oscillator, its applications, and working principles.

Introduction of 7C-12.000MBB-T Oscillator

The 7C-12.000MBB-T Oscillator is a miniature single-piece surface mount quartz oscillator with a frequency output of 12.000MHz. The oscillator is a 4-pin passive electronic component with an integrated circuit inside. It is powered by an external 3.3 VDC power source and can be directly mounted on a Print-Circuit Board.

As a high-precision oscillator, 7C-12 has characteristics of low-phase noise, low jitter, and small size. The oscillator can maintain accuracy over a wide temperature and power supply voltage range. With little deviation, the output frequency remains steady and stable throughout its working hours with a maximum accuracy of ±100ppm between 0 °C to +75 °C.

Application of 7C-12.000MBB-T Oscillator

In view of its outstanding features, 7C-12 oscillator is widely applied in electronic systems, such as telecommunications. For example, it is typically utilized in portable radios, base station receivers, and wireless communication radios. Its great accuracy and stability allow it to consistently transmit and receive signals with precise timing and frequency synchronization. It is also used in military communications to enhance the performance of secure communication networks.

Meanwhile, 7C-12 is becoming a critical component in the implementation of GPS mobile telemetry applications. Its use in synchronized multiple frequency hopping schemes allows for extended communications without signal degradation and packet loss. Moreover, due to its wide temperature range, it can be used in extreme environments. As a result, 7C-12 is suitable for applications in aerospace, medical, and automotive markets.

Working Principle of 7C-12.000MBB-T Oscillator

The 7C-12 Oscillator functions by taking advantage of the characteristics of quartz crystals. When an external direct current (dc) signal is applied, the quartz crystal oscillates at a precise frequency that is determined by the size and shape of the crystal. The resonant frequency is proportional to the capacitance across the crystal. The output voltage from the oscillator is an alternating current (ac) waveform with a frequency proportional to the applied dc voltage.

In the case of 7C-12, the quartz crystal will produce a 12 MHz sine wave output voltage. The output signal is generated by a tuned circuit consisting of the crystal, external dc power, and the oscillator circuit components. The signal output is looped back for feedback control to ensure the oscillator operates at the same frequency throughout the life of the device.

Conclusion

The 7C-12.000MBB-T Oscillator is a miniature, high-performance quartz crystal oscillator used in a wide range of electronic applications. It is capable of reliably providing stable and accurate signals with little noise and jitter. 7C-12 is suitable for use in telecommunications systems, GPS mobile telemetry, aerospace, medical, and automotive systems. Its working principle is based on the characteristics of quartz crystals, wherein an alternating current with a frequency proportional to the applied direct current voltage is generated.

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