SF2148B Allicdata Electronics
Allicdata Part #:

SF2148B-ND

Manufacturer Part#:

SF2148B

Price: $ 0.00
Product Category:

Filters

Manufacturer: Murata Electronics North America
Short Description: FILTER SAW 138.24MHZ 12SMD
More Detail: N/A
DataSheet: SF2148B datasheetSF2148B Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Obsolete
Frequency - Center: 138.24MHz
Bandwidth: 20MHz
Insertion Loss: 10.5dB
Ratings: --
Applications: Cellular, SCDMA
Mounting Type: Surface Mount
Package / Case: 12-SMD, No Lead
Height (Max): 0.079" (2.00mm)
Size / Dimension: 0.276" L x 0.197" W (7.00mm x 5.00mm)
Description

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

Surface Acoustic Wave (SAW) filters are commonly used in telecommunications and radio frequency applications. The SF2148B is a SAW filter designed for use in cellular and wireless communications applications by Skyworks Solutions, Inc. This filter has a wide range of applications, including cellular phones, satellite phones, and wireless Hotspots.

The SF2148B uses a combination of surface acoustic waves and resonators to achieve its filtering effects. A unique design of the filter, along with the application of a variety of methods for controlling the frequency and width of the passband, enable it to offer superior selectivity and rejection of interfering signals. The resonators in the filter are responsible for both in-band and out-of-band attenuation, giving the filter the ability to reject both narrow-band and wideband interference signals, as well as offering superior out-of-band rejection.

The overall frequency range of the SF2148B is between 800 MHz and 2.4 GHz, which corresponds to frequencies of 2G and 3G cellular systems, as well as most of the U.S. wireless spectrum. It also has a very low insertion loss of 0.45 dB at its specified center frequency of 1.9 GHz. The coaxial connector option of the filter makes it ideal for use in a variety of RF applications such as mobile handsets, HotSpot systems, MIMO systems, base stations, and other applications.

Another great feature of the SF2148B is its temperature stability. This is achieved through its combination of feedthrough delay lines and reflectors, as well as its use of plastic packaging. The package also provides a degree of RF shield integrity for fewer leaks and a greater degree of reliability in noisy RF environments.

In terms of its working principle, the SF2148B relies on the use of two surface acoustic wave transducers, one for each branch of the filter. The input power is split equally between the transducers at the beginning of the filter, and these two signals are then separated by the filter\'s unique structure. The frequency responses of the two channels of the filter are engineered to be almost identical, and this allows the filter to reject interference harmonics and other spurious signals. The two signals are then recombined at the output of the filter, resulting in an optimum filtered signal that has a high degree of selectivity.

In summary, the SF2148B is a SAW filter designed for use in a variety of RF applications, from cellular phones to Hotspots. Its unique structure and advanced techniques for controlling the frequency and width of the passband enable it to offer superior selectivity and rejection of interfering signals. Its wide frequency range and low insertion loss make it an ideal choice for applications ranging from handhelds to base stations, and its temperature stability ensures reliable operation in a variety of RF environments.

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

Related Products
Search Part number : "SF21" Included word is 28
Part Number Manufacturer Price Quantity Description
P270-SF21BR10K TT Electroni... 8.3 $ 122 POT 10K OHM 2W PLASTIC LI...
SF2133E Murata Elect... 0.48 $ 5000 FILTER SAW 1.748GHZ 6SMD
SF2150E Murata Elect... 0.76 $ 1000 FILTER SAW 915MHZ 6SMD
SF2120C Murata Elect... 2.7 $ 1000 FILTER SAW 149MHZ 8SMD
SF2134E Murata Elect... 0.43 $ 1000 FILTER SAW 897.5MHZ 6SMD
SF2124E Murata Elect... 0.71 $ 1000 FILTER SAW 2.442GHZ 6SMD
SF2136E Murata Elect... 0.6 $ 1000 FILTER SAW 433.92MHZ 6SMD
SF2137E Murata Elect... 0.57 $ 1000 FILTER SAW 869MHZ 6SMD
SF2126E Murata Elect... 0.7 $ 1000 FILTER SAW 725MHZ 8SMD
SF2148B Murata Elect... 0.0 $ 1000 FILTER SAW 138.24MHZ 12SM...
SF2149A Murata Elect... 0.0 $ 1000 FILTER SAW 46.08MHZ 12SMD
SF2151B Murata Elect... 0.0 $ 1000 FILTER SAW 211.2MHZ 12SMD
SF2143A Murata Elect... 0.0 $ 1000 FILTER SAW 72.54/80.46MHZ...
SF2146D Murata Elect... 0.0 $ 1000 FILTER SAW 415MHZ 8SMD
SF2155B Murata Elect... 0.0 $ 1000 FILTER SAW 153.6MHZ 12SMD
SF2156B Murata Elect... 0.0 $ 1000 FILTER SAW 611MHZ 10SMD
SF2164E Murata Elect... 0.0 $ 1000 FILTER SAW 1484.3MHZ 8SMD
SF2165E Murata Elect... 0.0 $ 1000 FILTER SAW 1.58636GHZ 8SM...
SF2167E Murata Elect... 0.0 $ 1000 FILTER SAW 1.38224GHZ 8SM...
SF2172C Murata Elect... 0.0 $ 1000 FILTER SAW 280MHZ 8SMD
SF21G B0G Taiwan Semic... 0.04 $ 1000 DIODE GEN PURP 50V 2A DO2...
SF21G R0G Taiwan Semic... 0.06 $ 1000 DIODE GEN PURP 50V 2A DO2...
SF21G A0G Taiwan Semic... 0.05 $ 1000 DIODE GEN PURP 50V 2A DO2...
SF21GHR0G Taiwan Semic... 0.06 $ 1000 DIODE GEN PURP 50V 2A DO2...
SF21GHA0G Taiwan Semic... 0.05 $ 1000 DIODE GEN PURP 50V 2A DO2...
SF21GHB0G Taiwan Semic... 0.05 $ 1000 DIODE GEN PURP 50V 2A DO2...
SF21-5,08 Altech Corpo... 6.71 $ 1000 PCB HORIZ INVERTEDPLUG 50...
SF2143B Murata Elect... 1.8 $ 1000 SAW DIPLEXER 72.54/80.46M...
Latest Products
SF2021B

FILTER SAW 73.5996MHZ 10SMD

SF2021B Allicdata Electronics
B39941B9840P810W99

FILTER SAW

B39941B9840P810W99 Allicdata Electronics
B39941B9840P810S5

FILTER SAW

B39941B9840P810S5 Allicdata Electronics
B39941B9840P810A99

FILTER SAW

B39941B9840P810A99 Allicdata Electronics
B39941B9840P810

FILTER SAW

B39941B9840P810 Allicdata Electronics
B39941B8667P810S5

FILTER SAW

B39941B8667P810S5 Allicdata Electronics