SIT9005ACE2D-18DM

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Programmable Oscillators

Programmable oscillators are oscillators with the function of frequency adjustment and output control by using a programmable logic control unit. The SIT9005ACE2D-18DM programmable oscillator is one such oscillator. It is typically used to control a variety of electric and electronic applications, ranging from multi-frequency operation for RF communication and frequency modulation, to electrical and electronic systems requiring precise operation and synchronization.

The SIT9005ACE2D-18DM programmable oscillator is a two-pin, full-featured oscillator with low power consumption, high precision and low phase noise requirements. Its core frequency and operating temperature range are 500 kHz to 1.2 GHz and -40°C to 85°C, respectively. The frequency and phase control accuracy is ±2.5 ppm and ±1°, respectively. This programmable oscillator offers a high frequency stability and low jitter, achieving a phase jitter of 0.175 ps Add/Subtract mode and 0.2 ps in Fixed Mode. In addition, the oscillator features a power-saving PLL architecture, fast settling time, a wide frequency range and programmable function.

The working principle of the SIT9005ACE2D-18DM programmable oscillator is based on a voltage controlled oscillator (VCO) topology. First, an input voltage is applied to the VCO which generates the desired output frequency. Then, this output frequency is compared with a reference frequency, either provided externally or generated internally, to generate a feedback signal. The feedback signal is then continuously monitored and fed back to a control loop to adjust the output frequency of the oscillator. The programmable function enables the user to adjust the oscillator frequency by changing this feedback voltage. This adjustable voltage control unit is referred to as a control loop or tuning circuit.

The SIT9005ACE2D-18DM programmable oscillator is widely used in various applications from automotive and avionics to radio frequency identification (RFID) and communication systems. In automotive applications, it is used to control antennae tuning and frequency hopping radios, while in avionics it is used to control ADS-B transponder signals and global positioning systems (GPS). In RFID applications, it is used to control the positioning of RFID tags and transceiver frequencies. In communication systems, it is used to control base station transmission frequencies, base station uplink frequency, and multiple carrier frequencies. In addition, this programmable oscillator is suitable for a variety of conventional and specialty applications, including medical monitoring and ultrasound imaging, microchip testing and characterization, microwave signal generation and frequency synthesis, radar and communication systems.

The SIT9005ACE2D-18DM programmable oscillator is an essential device for various applications requiring precise frequency generation and control. Its exceptional low power performance, high accuracy, low phase noise and fast settling time capabilities make it a suitable choice for demanding frequency control applications.

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