SIT9002AC-13H33SB

Programmable Oscillators

A programmable oscillator is an electronic circuit device that delivers oscillations of precise frequency and acceptable output signal shape. It can generate the desired frequency and shape under program control. An example of such an oscillator is the SIT9002AC-13H33SB voltage-controlled SAW oscillator, which is capable of producing precise, stable frequencies over a wide dynamic frequency range. It is well-suited for industrial, communications, and audio/video applications.

SIT9002AC-13H33SB Application Field

The SIT9002AC-13H33SB oscillator operates in the 15MHz to 27MHz range and provides an integrated frequency control voltage. This oscillator is well-suited for applications requiring low jitter and tight frequency accuracy, such as cellular/PCS base station transmitters, FM/PM/AM transmitters, entertainment audio/video systems, and communication system control applications. With its extremely low phase noise, it is also advantageous in precision timing and frequency synthesizing applications.

The SIT 9002-13 suite is designed to offer a full range of performance, and its low jitter (± 1 ps typical) makes it an ideal choice for base-station and broadcast transmissions. The SIT9002AC-13H33SB is RoHS compliant and provides extremely wide frequency ranges, with tolerance as narrow as ±10ppm.

SIT9002AC-13H33SB Working Principle

The SIT9002AC-13H33SB oscillator is based on a voltage-controlled SAW (Surface Acoustic Wave) oscillator, which uses a piezoelectric crystal to generate precisely controlled oscillations. The crystal is driven by an amplified voltage signal, which then travels along the device surface, resulting in a precisely modulated and highly stable frequency output. The voltage-controlled SAW oscillator allows for direct scaling of the output frequency by changing the applied voltage, thereby allowing for easy frequency optimization, and makes it an ideal choice for many applications requiring precise frequency control.

This oscillator is designed for high-shock, high-vibration conditions, making it suitable for use in industrial or automotive applications. The device has a precision A and B frequency control inputs, allowing for further frequency adjustments. In addition, dedicated outputs are also provided for monitoring frequency and output power, enabling customers to quickly and accurately monitor the frequency performance. Furthermore, the device provides an output enable/disable feature to quickly and easily enable/disable the oscillator without having to re-tune the system.

The SIT9002AC-13H33SB oscillator provides extremely high precision, low jitter frequency signals, making it ideal for a wide range of professional audio/video, broadcast, and communication system applications. Its internal temperature compensation and frequency stability over a wide temperature range make it an ideal choice for many applications.