D75F-025.0M Crystals, Oscillators, Resonators

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Oscillators are electronic components that exploit electronic circuits to generate a signal with a certain frequency in order to secure communications, radar pulse, motor running, electronic measurement and other works. Within the oscillators, D75F-025.0M is a voltage-controlled oscillator (hereinafter referred to as VCOs).

D75F-025.0M is a miniature VCO, with a frequency range of 1MHz to 25MHz and providing a minimum tuning negative resistance of -130K for the highest frequency. It is made of tantalum capacitors and quartz crystal, and goes through rigorous aging tests to ensure stability and reliability.

The application field of D75F-025.0M includes ultra-high frequency applications such as stand-alone microwave ovens, microwave radios, satellite communication systems, electronic navigation systems, etc., as well as specific harmonic generators, signal sources and signal tracking circuits kinds of technology. It is particularly suitable for the applications above-mentioned, because of its low power consumption, mature technology, low price, low profile and excellent performance.

The working principle of D75F-025.0M is based on the Resonant Principle. In the core of VCO is a resonant circuit composed of a crystal and an inductor tank, matched with the high-stability crystal provided by the resonant circuit,it can maintain a constant value of oscillation.

D75F-025.0M uses a built-in pulse-width modulator to adjust the output frequency. The external DC bias voltage provided to it is proportional to the frequency outputted from it. The output frequency can be changed by controlling the DC bias voltage. The changing range of the bias voltage is wide, and therefore it gives excellent frequency tracking performance may be obtained. Additionally, the D75F-025.0M has low phase noise, good harmonic suppression, fast frequency sweeps and wide tuning range.

In conclusion, D75F-025.0M has a wide range of applications and is suitable for various ultra-high frequency applications. Its resonant principle based circuit design ensures stability and reliability of the product. With its mature technology, very low power consumption, excellent performance, low price and low profile, D75F-025.0M can be used as a stand-alone oscillator in most projects.

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