CER0231B

Series:	Monoblock LR
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency:	881.5MHz Center
Impedance:	--
Bandwidth:	25MHz
Insertion Loss:	2.2dB
Filter Type:	Band Pass
Mounting Type:	Surface Mount
Package / Case:	Monoblock, 2 PC Pad
Size / Dimension:	1.331" L x 0.508" W (33.8mm x 12.90mm)
Height (Max):	0.256" (6.50mm)

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

Ceramic FiltersCeramic filters are essential components for filtering electronic signals, and the CER0231B application field and working principle is an excellent example of this application. These filters are capable of blocking unwanted high-frequency signals and only allowing a certain portion of the signal to pass through to the circuitry.Description of CER0231BThe CER0231B is a surface mountable, low-pass filter designed for use in cellular infrastructures. It is a single-stage, Maximally Flat filter that has been designed to work with DECT and GSM systems. In addition, the CER0231B can be used in other applications that require a low-noise amplifier and an RF amplifier. It features a frequency range of 800-2500 MHz and an insertion loss of 2.5 dB with a passband ripple of 0.2 dB. The filter also features a tracking error of less than 2.5 dB and a low power consumption of 1.5mA.Working Principle of CER0231BThe CER0231B works on a principle called the Maximally Flat principle, which states that in order for the filter to pass only the desired frequency, the gain phase of the filter must remain constant over a range of frequencies. This requires the filter to be composed of multiple sections that are connected together through an additional component called a compensator. Each section of the filter has a slightly different resonance frequency, which is determined by the location of the ceramic resonators used to create it. The resonators themselves are made from a specialized ceramic material, which is designed to be electrically conductive and have an extremely low dielectric loss.The combination of these components creates a filter that allows only the desired frequency to pass through. The compensator is essential for tuning the filter to the specific frequency it is intended to filter. By varying the amount of the compensator, the filter can be adjusted to allow different frequencies to pass through. In addition, the compensator is also used to ensure that the gain phase of the filter is maximally flat.ConclusionThe CER0231B application field and working principle is an excellent example of how ceramic filters can be used in various electronic applications. By understanding the Maximally Flat principle and how ceramic materials work together in this type of filter, you can ensure that you have the most effective filter for your application. With the right tuning, the CER0231B can be used to significantly reduce noise and improve the performance of RF systems.

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

Part Number	Manufacturer	Price	Quantity	Description