CER0263C

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Ceramic Filters play an important role in modern communication and entertainment systems. They are used in devices such as radios, televisions, satellite receivers, and home theater systems. The CER0263C is a ceramic filter with specific application and working principles.

The CER0263C is typically used as an intermediate frequency (IF) filter in radio receivers with an operating range of 87.5MHz to 215MHz. It is characterized by wideband low-pass and high-pass filtering with a rejection of -45dB and an insertion loss of 1.7dB or less over the entire operating range. Additionally, the filter’s cutoff frequency is adjustable, from a low of 145kHz to a high of 800kHz, making it ideal for a variety of applications.

The CER0263C is fabricated using surface-mounted elements that have been integrated into a single block of material. These components include an inductor, resistor, and capacitor, all of which work together to provide the desired filtering characteristics. Since all of the components are on the same circuit board, there are no air gaps which can lead to signal leakage.

The CER0263C’s working principle involves the use of a dielectric between two electrical conductors in order to filter out undesired signals. When an alternating current is applied to the filter, it will cause the dielectric to vibrate at the frequency of the signal. This vibration causes the dielectric material to act as an insulator in some parts of the circuit, and as a conductor in others. This means that signals at certain frequencies will be blocked and those at others allowed to pass through.

The CER0263C’s high stop-band attenuation makes it well suited for applications where a narrow band of frequencies needs to be passed and a wide range of other signals needs to be filtered out. It is also ideal for situations where high selectivity and a low insertion loss is required. These qualities make it a popular choice for radio receivers, allowing them to block interfering signals while still allowing the desired signal to be heard.

The CER0263C is a versatile filter that is highly effective at eliminating unwanted signals while retaining a desired frequency range. Its adjustable cutoff frequency, wide stop-band attenuation, and low signal loss make it an ideal choice for a variety of applications, from radio receivers to satellite receivers.

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