FM4MMA1025MPMDA

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

FM4MMA1025MPMDA, also known as Frequency Modulated Four Metal Mask Attenuator, is a relatively new type of noise figure reduction technology that is gaining popularity among scientists and engineers. FM4MMA1025MPMDA offers the best of both worlds when it comes to two of the most important criteria in noise figure reduction – low attenuation and high power handling capacity. The current generation of FM4MMA1025MPMDA devices have proven to be highly reliable, providing superior results in both laboratory testing and field deployments.

The primary application for FM4MMA1025MPMDA technology is in applications where RF power levels are generally low, such as laboratory RF test benches or radios. It is also used for high-power applications such as transponders and up-converters. It has also become popular in cellular base station applications due to its low noise floor and high power handling capacity.

So how does FM4MMA1025MPMDA work? At its core, it is an attenuator that uses two metal masks to achieve noise levels far lower than what can be achieved using metal film resistors. To achieve this, the two metal masks are positioned close to each other such that their edges touch, creating an artificial “fence” that helps to isolate and reduce interference signals from crawling into the device’s radio frequency (RF) circuit. This helps to reduce and dampen the noise produced from the RF circuit, leading to lower noise levels in the receiving circuit.

To maximize the noise figure reduction capabilities of FM4MMA1025MPMDA, the two metal masks are etched with a low contact angle pattern. This ensures that the contact resistance between the two masks is evenly distributed, reducing the noise generated by the device itself. Additionally, the metal masks are often coated with an anti-static layer, helping to further reduce noise figure levels.

One of the most interesting uses of FM4MMA1025MPMDA technology is in its ability to filter out harmonics. This is achieved through the two metal masks being used in conjunction with a phased array of resistors. When the two masks are correctly positioned, they effectively block out all harmonic tones except those generated by the desired tone, leading to greater signal reception accuracy.

Similarly, FM4MMA1025MPMDA can also be used to reduce out-of-band interference signals. By positioning the two masks close together and creating an artificial “band-reject filter”, the device can reduce the strength of adjacent channel signals thus improving the signal-to-noise ratio of the receiving circuit. This is an especially important capability when it comes to communications and military applications that require heavily filtered signals.

Overall, FM4MMA1025MPMDA is an incredibly versatile and effective technology. It offers superior noise figure reduction capabilities, improved signal reception accuracy, and reduced out-of-band interference. It is a cost-effective, reliable and energy-efficient solution and can be applied to many different types of applications across both commercial and military secotrs.

The specific data is subject to PDF, and the above content is for reference