CER0784C

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Ceramic filters have become an increasingly important component in electronic equipment due to their small size, light weight and low cost. Particularly in radio transmitters and receivers, they play a critical role in selecting and filtering radio signals across a large range of applications. Today, ceramic filters come in a range of sizes from miniature surface-mount devices to conventional through-hole packages. Ceramic filters are designed to provide high quality signal selectivity, eliminate interference, and provide strong signal insulation.

The CER0784C series ceramic filter is a series of miniature surface mount filters, constructed in high-Q ceramic and designed for use in narrow-band filtering applications, such as Radio Receivers, inter-stage filtering, and band-pass filtering. It offers an ultra-high sensitivity that can be easily integrated in both high-speed and low-speed circuits. The CER0784C series has a wide range of available filter types, including low pass, band pass, high pass, and notch filters.

The operating principle of the CER0784C is based on the variation of its resonant frequency with a change in temperature. This is achieved by using high temperature co-fired ceramic (HTCC) that has a stable resonant frequency over a wide range of temperatures. The ceramic material is hermetically sealed to ensure maximum circuit stability and long-term reliability. The filter has two main circuit components – a parallel resonator and an integrated inductor, which both work together to create a signal with a high quality factor (Q) and good selectivity.

The CER0784C series of ceramic filters are ideally suited to applications where wide frequency coverage or low insertion loss is required. It can be applied in low power consumer products such as cordless phones, mobile phones, Wi-Fi routers, and Bluetooth devices, as well as for more complex applications such as RF satellite communication systems, avionics systems, and wireless data networks. It is also becoming increasingly popular for use in medical and defence applications.

In summary, the CER0784C series of ceramic filters are a highly cost effective and reliable solution for low power, wide frequency applications. They offer an ultra-high sensitivity, low insertion loss, wide frequency coverage, and good selectivity. This makes them ideal for use in a wide range of applications, from consumer devices to more complex defence and medical applications.

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