SIT3809AC-D-18NY

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Programmable Oscillators are widely used in various applications like electronics, communications and microwave frequency synthesized systems. In particular, SIT3809AC-D-18NY is one of the most widely used programmable oscillators. It is a high performance and low price oscillator, and its frequency can be programmed from 4MHz to 1880 MHz.SIT3809AC-D-18NY is primarily used in applications such as pulse-amplitude modulation, phase-shift modulation systems, phase-shift modulation in communication systems, phase-shift keying, sampling systems, demodulation systems and wireless communications. This oscillator is ideal for applications requiring low power, high stability and fast switching. The working principle of SIT3809AC-D-18NY is based on the synchronization of electrical signals that are generated by the oscillator circuit. The oscillator circuit is composed of a number of discrete components, such as capacitors, resistors, and inductors. These components are connected in a certain manner to create the oscillating signal which is then used to generate the desired output frequency. The oscillator circuit uses a voltage controlled oscillator (VCO) module to regulate the frequency of the generated output. This module is integrated into the oscillator circuit and contains a voltage dependent resistor, an isolation capacitor and an anti-alias filter. The VCO output is adjusted by changing the resistance of the VCO resistor, which makes use of an external control voltage. The output of the VCO module is then sent to a voltage-controlled amplifier (VCA), which amplifies the signal before it is sent to the output. In order to program the output frequency of SIT3809AC-D-18NY, several parameters must be set, such as the multiplier, modulsion factor and the bandgap voltage. The multiplier increases or decreases the voltage output of the oscillator in order to set the output frequency. The modulation factor is a setting that allows the user to adjust the percentage of the frequency variation for each output step. The bandgap voltage is used to maintain the accuracy of the voltage output at different temperatures. In conclusion, SIT3809AC-D-18NY is a high performance and low price programmable oscillator that is suitable for a wide range of applications. It utilizes a voltage controlled oscillator (VCO) module and a voltage-controlled amplifier (VCA) to generate an output frequency that can be programmed. Furthermore, several parameters, such as the multiplier, modulation factor and bandgap voltage can be set in order to adjust the frequency and accuracy of the output. 

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