BPF1608LM17R2400A

Series:	1608
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency:	2.45GHz Center
Bandwidth:	--
Filter Type:	Band Pass
Ripple:	--
Insertion Loss:	2.7dB
Mounting Type:	Surface Mount
Package / Case:	0603 (1608 Metric)
Size / Dimension:	0.063" L x 0.032" W (1.60mm x 0.80mm)
Height (Max):	0.026" (0.65mm)

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RF Filters – BPF1608LM17R2400A Application Field and Working Principle

RF Filters, or Radio Frequency Filters, are an integral component of many electronic systems which have a need for signal processing or such services. They are used to separate wanted or undesirable signals with different frequencies, or ones that require rejection due to low performance. While these devices come in a number of forms, the most common form is a specific type of RF filter known as a Band-Pass Filter (BPF). As the name implies, these devices pass through signals in a given bandwidth and rejects signals beyond that range.The BPF1608LM17R2400A is a miniature RF filter designed for operation in the 2400MHz frequency range. It is specifically designed for typical WLAN, WiMAX, and broadband applications. It also provides signal isolation and has excellent minimum insertion loss characteristics within its specified performance range. The device is implemented as a surface mount component and is fabricated using the latest technology in Low Temperature Co-fired Ceramic (LTCC). The standard process for RF device fabrication begins by printing metallic conductors on the bottom surface of a LTCC substrate. This is followed by multi-level interconnections between the conductors. In the case of the BPF1608LM17R2400A, eight such elements have been employed to achieve filtering performance from 2400 to 2437MHz with an insertion loss of less than 1.5dB. The entire filter is then hermetically sealed with an epoxy after the final metallization layers are applied. The working principle behind RF filters such as the BPF1608LM17R2400A is based on the concept of resonance. Resonance is defined as the enhancement of oscillations of a system by providing external energy at the same natural frequency of the system. In the case of the BPF1608LM17R2400A, the individual elements are tuned such that they can only accept signals within the required bandwidth. Signals beyond that range are rejected, providing a clean signal output. The major application of the BPF1608LM17R2400A is in Wireless Local Area Networks (WLAN) and WiMAX systems. As the frequency range is well within the global unlicensed ISM (Industrial, Scientific and Medical) bands, it can be used for a wide variety of applications. Additionally, it is also well suited for base-station applications as it provides a high level of signal isolation in a very small form factor. In conclusion, the BPF1608LM17R2400A is an ideal miniature RF filter for small form factor applications. It is specially designed to operate within the 2400MHz frequency range and has excellent insertion loss characteristics. Its ability to provide significant signal isolation, while operating in the most common unlicensed radio bands, has made it very popular for use in WLAN, WiMAX and base-station applications. The working principle behind the device is based on the concept of resonance and its unique design provides for a high level of performance in a small package.

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