SIT1602AIT3-25S

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Programmable oscillators are versatile electronic components that oscillate between a high and low logic state at a fixed frequency. They have many uses, from controlling the timing of chips to generating specific musical tones. The SIT1602AIT3-25S is a type of programmable oscillator that is mostly used for radio frequency (RF) applications. With its 25.0 MHz (±20 ppm) accuracy, it is ideal for communication, instrumentation, and control applications.

The SIT1602AIT3-25S is designed to provide a reliable source of clock signals over a wide range of frequencies and to compensate for temperature variations during its operation. It contains an on-board oscillator and amplifier circuit that can be programmed to the desired frequency with an external voltage. This type of Programmable Oscillator also includes a voltage reference and temperature-sensing circuit which can be used to tightly regulate its operation.

In terms of applications, the SIT1602AIT3-25S is used in many different fields. It is common in telecommunications, as its low jitter and drift allow it to be used in high-speed data transmission. Its precise timing also makes it a suitable choice for generating precise frequency sweeps and controlling timing in digital circuits. Furthermore, its precise frequency output can also be used to regulate the frequency of radio receivers, sound synthesizers, and other annunciation circuits.

The working principle of SIT1602AIT3-25S is quite straightforward. It consists of a voltage-controlled oscillator (VCO) and a voltage reference, both connected to a single-ended amplifier. The VCO uses a programmable voltage to adjust its resonant frequency within a specific range. The voltage reference provides a reference voltage for the VCO to operate from, ensuring that its output is consistently accurate. The currents running through the amplifier are used to buffer the output and provide additional gain if needed.

In addition to the oscillator and voltage reference circuit, the SIT1602AIT3-25S also includes a temperature sensing circuit to monitor its operating temperature. This circuit helps maintain the oscillator’s output frequency accuracy over a wide temperature range. Additionally, the SIT1602AIT3-25S includes frequency trimming circuitry, allowing the user to precisely fine-tune its output frequency.

The SIT1602AIT3-25S is an extremely versatile programmable oscillator designed for a range of applications. Its frequency is accurate and stable, making it ideal for radio frequency applications. It also includes a temperature sensing circuit and a frequency trimming circuit for precise frequency regulation. With its 25.0 MHz (±20 ppm) accuracy, it is sure to be a valuable and reliable addition to any telecommunication, instrumentation, or control workflow.

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