AX7MAF1-657.4219T

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Oscillators are generally electrical or electronic circuits that produce an output oscillating signal independent of its input. The AX7MAF1-657.4219T is an example of such a device, working as a voltage-controlled oscillator (VCO). It is a single-ended voltage-controlled oscillator in which the input signal modulates the output frequency.

The AX7MAF1-657.4219T is best suited for applications needing accurate phase noise and temperature stability. It is used in a range of applications from low-frequency signal generation to providing a voltage reference for radio receivers. It can also be used for various other applications such as synthesizers and transceiver systems.

To achieve accurate phase tuning and temperature stability, the AX7MAF1-657.4219T incorporates two temperature control circuitry components. The first is the oscillator core, which is calibrated to a specific frequency. The second is the temperature compensator, which maintains the initial frequency, regardless of temperature.

At the heart of the AX7MAF1-657.4219T is the high Q crystal oscillator, which determines the VCO\'s fundamental frequency. The frequency of the oscillator core is calculated using a loop circuit. This loop circuit is composed of a resistor, a capacitor, and a voltage-controlled variable resistor (VCVR). The resistor-capacitor combination determines the oscillator frequency as a function of the voltage applied to the oscillator core. The voltage applied to the VCVR changes the frequency of the oscillator core.

The voltage-controlled temperature compensator keeps the core oscillator frequency stable by compensating for any temperature variations. This is done by detecting and adjusting the compensation voltage applied to the VCVR. When a rising temperature is detected the compensation voltage is adjusted to reduce the oscillator frequency, and vice versa. This ensures accurate frequency stability over temperature variations.

In addition to temperature stability, the AX7MAF1-657.4219T is also designed to keep the output signal phase noise low. The low phase noise achieved by the oscillator makes it highly suitable for use in high performance receivers and transceiver circuits. The oscillator is constructed to maximize its output level and minimize distortion for better performance in radio frequency signal applications. It also has a very low power consumption, making it ideal for battery powered systems.

The AX7MAF1-657.4219T is a high performance voltage-controlled oscillator designed for low frequency and radio frequency applications. It is temperature-stabilized and provides low phase noise output. Its low power consumption and wide tuning range makes it suitable for many applications.

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