FN7500043 Crystals, Oscillators, Resonators

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Oscillator: FN7500043

FN7500043 is an oscillator designed for use in RF communications. It is a voltage-controlled oscillator capable of producing a highly accurate and stable output frequency. It is based on the proven Gainer-Flter design and is ideal for use in applications that require low phase noise and accuracy over a wide range of temperatures.

Application Field

FN7500043 is best suited for applications in military and aerospace communications, ranging between 10MHz to 20GHz. It has been acclaimed by major global manufacturers for its performance in wideband communications systems such as mobile and cellular base stations, satellite communications and military radios. It is also suitable for use in avionics, radar, and scientific instrumentation.

Working Principle

The FN7500043 oscillator works on the principle of gain-controlled frequency tuning, which enables it to achieve a wide frequency tuning range and low phase noise performance. The device consists of a Voltage Controlled Oscillator (VCO) and an Amplitude Control Loop (ACL). The VCO is responsible for generating the output signal with a frequency that is determined by the applied voltage. The ACL is responsible for controlling the amplitude of the output in order to produce a stable signal.

The ACL consists of an amplifier, a control loop filter, and an analog multiplier. The amplifier amplifies the output signal from the VCO, and the control loop filter is used to set the gain of the amplifier. As the frequency of the output signal is changed, the gain of the amplifier is also adjusted, thus maintaining a constant frequency-dependent signal amplitude. The analog multiplier is used to subtract a fraction of the signal from the output signal, thus controlling the phase noise.

Benefits of FN7500043

The FN7500043 oscillator is ideal for applications that demand stability, accuracy, and low phase noise. It offers excellent performance with a wide frequency range, which makes it suitable for a broad range of high-end applications. It also features very low phase noise, as well as temperature stability and reliability. This makes it an excellent choice for use in mission-critical applications.

The frequency tuning range of the device is also quite impressive, with more than 240MHz achievable with an 18-bit DAC control. This makes the device suitable for use in wideband communication applications, such as radar and satellite communications. The device is also highly reliable, as it is designed to withstand harsh environmental conditions.

Conclusion

Overall, the FN7500043 oscillator is an excellent choice for RF communication applications that require highly stable and accurate performance. Its wide tuning range and low phase noise performance make it suitable for a wide range of high-end applications in aerospace, military, and mobile communication. It is a reliable and cost-effective solution for mission-critical applications.

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