Noncrystal Controlled Oscillator

A noncrystal controlled oscillator, also known as an NCO, is an electronic oscillator that does not rely on a crystal for its frequency stability. Instead, it uses other methods to generate a stable and accurate frequency.

Traditional oscillators, such as quartz crystal oscillators, rely on the mechanical resonance of a crystal to determine the frequency of oscillation. These crystals have a high level of stability and accuracy, making them suitable for many applications. However, they can be expensive and bulky.

Noncrystal controlled oscillators, on the other hand, use different techniques to generate a stable frequency. Some common methods include using a voltage-controlled oscillator (VCO) or a phase-locked loop (PLL). These techniques allow for frequency control and stability without the need for a crystal.

NCOs are often used in applications where cost, size, or power consumption is a concern. They can be found in various electronic devices, such as radios, televisions, and communication systems. However, it's important to note that NCOs may not provide the same level of frequency accuracy and stability as crystal-controlled oscillators, especially in high-precision applications.

Overall, noncrystal controlled oscillators offer an alternative to traditional crystal oscillators, providing flexibility and cost savings in certain applications.