CER0188A

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency:	3.425GHz Center
Impedance:	--
Bandwidth:	50MHz
Insertion Loss:	0.95dB
Filter Type:	Band Pass
Mounting Type:	Surface Mount
Package / Case:	Monoblock, 2 PC Pad
Size / Dimension:	0.463" L x 0.272" W (11.75mm x 6.90mm)
Height (Max):	0.181" (4.60mm)

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Introduction

A ceramic filter, also known as a "ceramic bandpass filter," is an electronic device designed to reduce interference caused by rf signals within a bandwidth. The most common type of ceramic filter used today is the CER0188A. This type of filter has been developed since 1963, and has proven to be an effective solution for filtering out unwanted frequencies.

CER0188A Application Field and Working Principle

The CER0188A ceramic filter is best suited for applications in the 800 MHz to 1.1 GHz range. It is specifically designed to provide a low noise, low insertion loss, and high isolation in this frequency range. The filter is ideal for use in radio frequency (RF) circuits, as it eliminates unwanted signals that can interfere with desired signal transmissions.The working principle of the CER0188A is based on the combination of a ceramic and a ferrite element. The ceramic element is designed to transmit and reflect the frequencies within the desired bandwidth, while the ferrite element is designed to stop, or attenuate, the frequencies outside of the desired bandwidth. As the frequency of a signal increases or decreases, the ferrite element will become more effective at blocking, or attenuating, the undesired signals. This allows the ceramic element to pass through only the desired signal within the desired bandwidth.The low noise and high isolation levels of the filter make it an ideal choice for applications that require a quiet, clean signal. Additionally, the filter is able to operate in temperatures ranging from -55°C to +125°C, making it a great choice for a wide range of applications.

Conclusion

The CER0188A ceramic filter is an effective solution for filtering unwanted frequencies from a desired signal in the 800 MHz to 1.1 GHz frequency range. This filter is ideal for radio frequency (RF) applications, as its low noise and high isolation levels make it an effective solution for filtering out unwanted noise. Additionally, the filter is able to operate in temperatures ranging from -55°C to +125°C, making it a great option for a variety of applications.

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