EFCH1842TCD1 Filters

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

SAW (surface acoustic wave) filters are mostly used in radio frequency signal processing, including bandwidth restriction, low-noise amplification, channel selection and signal separation. This type of filter is very efficient because it utilizes surface acoustic waves to filter out undesired signals. The EFCH1842TCD1 is a SAW filter which is used in many different applications.

This filter has a center frequency of 1837.42MHz and a -3dB bandwidth of 40MHz. It also has a low-pass response, which means it can be used to separate signals from higher frequency signals. The low-pass band edge is around 1760MHz, so this allows the filter to reject any unwanted signals below 1760MHz. The filter also has a passband ripple of 0.2dB, which is great for reducing noise from any incoming signals.

The EFCH1842TCD1 is commonly used in radio frequency signal processing applications such as WCDMA, WCDMA-HSUPA and CDMA communications. It can be used for signal filtering and for signal separation in receivers. This filter is also used in cell phone base stations to provide isolated signals in the base-station limiters, which improves a base-station’s performance.

The working principle of the EFCH1842TCD1 is based on surface acoustic waves. SAW devices rely on piezoelectric transducers that convert electrical signals into surface acoustic waves and vice versa. The filters are composed of two transducers bonded to a surface of a flexible substrate which is then coated with a metal oxide. When electrical signals hit the transducers an acoustic wave is generated. This wave will propagate across the device until it hits the second transducer, where it is converted back into an electrical signal. The passband properties of the filter are determined by the physical characteristics of the substrate, transducers, and oxide layers.

The EFCH1842TCD1 has been designed to be very efficient and reliable in its operations. Its center frequency of 1837.42MHz and its -3dB bandwidth of 40MHz make it suitable for a variety of different applications. This filter has also been designed to provide an excellent passband ripple of 0.2dB, and to be able to reject any unwanted signals below 1760MHz. All these features make the EFCH1842TCD1 an ideal choice for radio frequency signal processing applications.

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