CWX825-7.3728M

Oscillators

Oscillators are devices designed to generate a signal of a certain frequency and amplitude. Oscillators can be broken down into many types, depending on their function in the application they are used in and its specific characteristics. The CWX825-7.3728M is one type of oscillator, used in applications ranging from timekeeping to communications.

The CWX825-7.3728M is a bandwidth-limited, very-low power pseudo-differential oscillator, designed to provide a square-wave output signal with a frequency of 73.728 MHz. This oscillator is ideal for applications such as local oscillators (LO) in digital receivers, frequency synthesisers, clocks and timing references. It has a minimum supply voltage of 4.9 V and a maximum operating temperature of 70°C. It is available in a 4-pin SOT-23 package.

The CWX825-7.3728M features a self-regulated topology with an on-chip, temperature-independent voltage regulator which gives it excellent output stability over temperature. This oscillator also has an internal reference frequency of 2.5 MHz, allowing it to be driven from crystal reference oscillators and divide by either 2 or 4. It has a low phase noise level, a wide tuning range and a wide range of amplitude variations. The low-power design makes it an ideal choice for applications where low power consumption is important.

The CWX825-7.3728M is capable of operating across an extended temperature range of -40°C to +105°C. It also has a 5.5 mA current draw at a supply voltage of 4.9 V, making it a highly reliable choice for a variety of applications. The oscillator\'s stability is further enhanced by the fact that it can be locked to an external reference frequency and it has a low phase noise level.

The operation of the CWX825-7.3728M oscillator is relatively straightforward. The input signal drives a voltage feedback loop which controls the current through the oscillator and generates a stable square-wave output. The input signal is shaped and filtered, and the output is buffered to provide a clean, stable signal. The current and voltage of the oscillator are then regulated by the on-chip voltage regulator.

The CWX825-7.3728M oscillator is a low-power, cost-effective solution for applications such as local oscillators, clocks, and frequency synthesisers. Its wide tuning range, wide range of amplitude variations, and low phase noise level make it an ideal choice for applications where accuracy and reliability are paramount. Its extended temperature range and low current draw make it suitable for a range of different applications. Its self-regulated topology ensures a stable output signal over temperature, making it a highly reliable solution.