DEA205425BT-1209B2

Series:	DEA
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency:	5.425GHz Center
Bandwidth:	1.05GHz
Filter Type:	Band Pass
Ripple:	--
Insertion Loss:	1.5dB
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric), 4 PC Pad
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height (Max):	0.039" (1.00mm)

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Application Field and Working Principle of DEA205425BT-1209B2 RF Filter

RF filters, also known as radio frequency filters, are electronic components that are widely used in the radio frequency system. It can limit and attenuate the signals of external electromagnetic interference, ensuring that the various signals in the system will not interfere with each other. DEA205425BT-1209B2 is an RF filter designed to meet the requirements of the telecom industry. DEA205425BT-1209B2 consists of two cavity filters with curved profiles which are connected in series in a double line configuration. This configuration provides the desired response over the desired bandwidth, while also minimizing the voltage standing wave ratio and power loading. The component also features a high isolation level of greater than 40dB, high signal to noise ratio, low insertion loss, low total harmonic distortion, low drift, and a high pulse rate. The application field of DEA205425BT-1209B2 RF filter is mainly telecommunications. It is used in a variety of systems such as mobile phones, laptops, base stations, repeaters, and more. In particular, the filter plays a crucial role in limiting noise interference in base stations, which is essential for the proper operation of the entire system. The filter can also be used in radio receivers and transceivers, which require a smooth and noise-free signal with minimum distortion. The DEA205425BT-1209B2 also features a wide working range, covering a frequency range of 95M-200MHz and an input/output power range of +15dBm. The input/output impedance of the filter is 50 ohms, with an insertion loss of 0.15 dB and return loss of 14dB. This makes it ideal for applications that require a low distortion signal in a wide range of frequencies. In terms of working principle, DEA205425BT-1209B2 uses a curved profile to provide the desired response over the desired bandwidth. This involves a process of analysing the frequency domain response of the filter to determine its shape and size, in order to achieve the desired result. Depending on the application, the designer may also choose to vary the filter\'s characteristics in order to achieve the desired frequency response.In summary, DEA205425BT-1209B2 is a RF filter designed to meet the requirements of the telecom industry. It consists of two cavity filters with curved profiles which provides the desired response over the desired bandwidth. Its application field mainly includes telecommunications, such as mobile phones, laptops, base stations, and radio receivers and transceivers. It features a wide working range with low insertion loss and low total harmonic distortion. Finally, the working principle of the DEAH205425BT-1209B2 relies on analysing the frequency domain response of the filter to achieve the desired response.

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