SIT1602AIE3-25E

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Programmable Oscillators

Programmable oscillators, also known as programmable clock oscillators, are a type of oscillator that can be programmed or adjusted to meet specific frequency requirements. These oscillators are used in a variety of applications, such as timers and communications equipment. The SIT1602AIE3-25E Programmable Oscillator is one such device.

SIT1602AIE3-25E Application Field

The SIT1602AIE3-25E Programmable Oscillator can be used in various areas requiring precise frequency control due to its wide frequency range, low jitter, high frequencies, and low power consumption. It is designed to be used in applications such as communications equipment (satellite receivers, base stations, and cable television systems), medical equipment, instrumentation, and industrial automation.

In addition, the SIT1602AIE3-25E is also suitable for digital television and digital video systems. It is also ideal for use in automotive applications, such as car audio systems, GPS systems, and engine control units.

SIT1602AIE3-25E Working Principle

The SIT1602AIE3-25E Programmable Oscillator uses an external crystal to provide a stable and reliable frequency source. The device is capable of producing a wide range of frequencies, from 0.5MHz to 126MHz. The oscillator features a direct digital synthesizer (DDS) integrated circuit (IC) which is programmed using four 10-bit resistor-capacitor (RC) registers.

These RC registers are used to set the desired frequency,with each register controlling one of four frequency bands (0.5MHz to 33.6MHz, 33.6MHz to 70.2MHz, 70.2MHz to 106.6MHz, and 106.6MHz to 126MHz). The four calibrators are combined to produce the desired frequency. The DDS IC also features an integral temperature-compensated crystal oscillator (TCXO), which provides a stable output frequency over a wide range of temperatures.

The SIT1602AIE3-25E Programmable Oscillator also features a programmable output-buffered logic state, providing flexibility in the driver logic level. The output logic is user-programmable between two low voltage (3.3-V and 1.8-V CMOS TTL) and two high voltage (5.0-V CMOS and 3.3-V CMOS TTL) states.

The device also features an Automatic Power-Down (APD) mode to conserve energy when the oscillator is not actively running. The APD mode allows the oscillator to turn off the power supply when not in use, thus saving power.

Conclusion

The SIT1602AIE3-25E Programmable Oscillator is an advanced device for precise frequency control. It is suitable for a wide range of applications, from automotive systems to digital television. The integrated DDS and TCXO provide a high frequency control resolution and improved stability over a wide range of temperatures. Furthermore, the programmable output logic and Automatic Power-Down mode make this device an excellent choice for applications requiring precise frequency control and low power consumption.

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