The LGEF4109 SAW filter operates by utilizing surface acoustic waves to filter specific frequencies. It allows signals at its center frequency (433.92 MHz) to pass through with minimal loss while attenuating signals outside its passband. This selective frequency filtering is essential in reducing interference and improving signal quality in RF communication systems.
Function: SAW Filter
Package: Surface-mount ceramic QCC8D type
Manufacturer: Luguang Electronic
Preview Images:
Description
This is SAW Filter. A SAW filter, also known as a Surface Acoustic Wave filter, is an electronic component used in communication systems to filter and shape electrical signals based on the principle of surface acoustic wave propagation.
1. Filter Operation: SAW filters utilize surface acoustic waves generated on a piezoelectric substrate, typically made of quartz or lithium niobate. These waves propagate along the surface of the substrate, allowing for effective filtering of electrical signals.
2. Frequency Selectivity: SAW filters offer high selectivity and can provide precise frequency response characteristics. They are capable of filtering out unwanted frequencies and allowing only desired frequencies to pass through.
The LGEF4109 is a low-loss, compact, and economical surface-acoustic-wave (SAW) RF filter in a surface-mount ceramic QCC8D case with center frequency 433.920 MHz.
Performance:
5-1. Maximum Ratings
(1) Rating Value Unit
(2) Input Power Level P 10 dBm
(3) DC Voltage VDC 12 V
(4) Operable Temperature Range TA -10 to +65 ℃
(5) Storage Temperature Range Tstg -40 to +85 ℃
Applications
1. ISM Band Communication: Utilized in devices operating within the 433 MHz ISM band.
2. Remote Keyless Entry (RKE): Improves signal clarity and range in automotive and security applications.
3. Wireless Sensor Networks: Enhances communication reliability in sensor-based systems.
4. RF Modules: Integrated into RF modules for various communication purposes.
LGEF4109 PDF Datasheet
