Programmable OscillatorsAn oscillator is a circuit that generates a periodic, oscillating electrical signal, such as a sine wave or a square wave. Oscillators are widely used in electronic circuits and devices to generate a stable, accurate clock signal for timing and synchronization purposes.
A programmable oscillator is a type of oscillator that can be programmed or configured to generate a specific frequency or set of frequencies. This can be done using external control signals or by programming the oscillator's internal registers. Programmable oscillators are often used in applications where a variable or adjustable clock signal is required, such as in communications systems and frequency synthesizers.
Programmable oscillators are typically implemented using digital logic circuits, such as programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), or microcontrollers, along with a stable, high-quality crystal or resonator to provide the reference frequency. This allows the oscillator to be easily reconfigured or adjusted to generate the desired frequency or set of frequencies.