2593BP44B186E

Series:	--
Packaging:	Cut Tape (CT)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Frequency:	2.593GHz Center
Bandwidth:	186MHz
Filter Type:	Band Pass
Ripple:	--
Insertion Loss:	2dB
Mounting Type:	Surface Mount
Package / Case:	1812 (4532 Metric), 4 PC Pad
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Height (Max):	0.063" (1.60mm)

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Introduction

2593BP44B186E is a RF filter integrated circuit designed by Texas Instruments. It is a high-performance, on-wafer, dual vertical cavity surface-mount package, capable of fulfilling the increasingly stringent requirements for RF front-ends. The circuit blocks are fully placed in a 35 mm x 35 mm x 1 mm hermetic package. It is designed to deliver low passband insertion loss, sharp stopband rejection, high isolation, and excellent temperature stability over a wide frequency range.

Application field

2593BP44B186E is a great choice for a variety of applications. It is used in mobile communication systems, wireless LAN, Bluetooth, PHS and other applications that require fast frequency switching and low-noise analogue filtering. It is especially suitable for UMTS, WCDMA, WLAN or WiMAX systems.

Working principle

2593BP44B186E is based on the principle of electrically small coupling structures that are designed to provide high attenuation in the stopband and low insertion loss in the passband. The circuit uses evanescent-mode coupling between two microstrip lines. The frequency response is determined by the size and shape of the toroidal coupled resonators, which are connected in a serial connection. It is designed to provide a very flat passband response, with low ripple, and a sharp roll-off in the stopband. The 2593BP44B186E’s frequency characteristics are achieved by using a combination of ports combination, coupling, and dimension of the resonator. The microstrip dimensions are carefully optimized to ensure the right frequency response for the given requirements. Besides, the complex nature of the microstrip structures makes it possible to precisely adjust the frequency response in both the passband and the stopband.

Conclusion

2593BP44B186E is an RF filter integrated circuit designed by Texas Instruments that is widely used in a variety of applications in the mobile communication systems, wireless LAN, Bluetooth, PHS and other areas. The RF filter consists of small evanescent-mode coupled resonators that are designed to provide high attenuation in the stopband and low insertion loss in the passband, as well as to provide a very flat passband response, with low ripple, and sharp roll-off in the stopband.

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