EFCH1842TCA7 Filters

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SAW Filters
Surface Acoustic Wave (SAW) filters are widely used in communication systems, medical instrumentation, consumer electronics and automotive electronics. The EFCH1842TCA7 is a low cost low pass SAW filter designed for RF communication systems. It offers excellent in-band performance and low insertion loss.

The EFCH1842TCA7 is a low cost, board level, 7th order low pass SAW filter. It is designed to have a center frequency of 1842 MHz and a typical passing bandwidth of 40 MHz. The filter has a maximum insertion loss of 8 dB and a maximum of 37 dB of out-of-band rejection. The filter has a ceramic package that measures 6 mm by 6 mm. It is designed for use in wide range of applications including cellular base stations and wireless communications.

The EFCH1842TCA7 uses multiple SAW resonators to divide the signal into multiple frequency bands. The SAW resonators are arranged in an Lshaped configuration and are coupled to one another to form the filter response. The SAW filter produces a relatively sharp transition from its pass band to its stop band. This helps to reduce the amount of unwanted signals from entering the system and reduces the risk of interference and distortion.

The filter also features a low noise floor at the rejection band in order to reduce the effect of interference on the signal. Additionally, the filter can also be used to help reduce the amount of power that is needed to run the system. This makes the system more energy efficient and helps extend the operating life of the system.

The main application of the EFCH1842TCA7 SAW filter is for RF and wireless communication systems where it can be used to filter out interference in the low pass frequency range. These types of filters are commonly used in base stations and cellular networks to ensure that the signal is not interrupted by unwanted signals. The filter can also be used in broadcasting systems to ensure that signals are transmitted without distortion or interference.

The EFCH1842TCA7 is a cost effective solution to reduce interference in low pass frequency range. The filter offers excellent in-band performance and relatively low insertion loss, which makes it ideal for use in various communication systems. Due to its small size, the filter is also suitable for use in portable devices where space is limited. In addition to this, the filter can also be used to reduce power consumption and extend the life of the system.

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