High Frequency Ceramic Solutions
Miniature 2.45GHz Impedance Matched Front-End Filter Optimized for
Semtech SX1280, SX1281
P/N 2450FM07D0034
5/10/2018
Detail Specification:
Page 2 of 4
Mounting Pad Dimensions
Solder Resist
Land
0.3
0.15
0.5
0.55
1.2
*
Through-hole (f 0.20)
0.55 0.65
*Line width should be designed to match
50Ω characteristic impedance, depending
on PCB material and thickness.
Units in mm
Do you need the layout files of the above? Go to: www.johansontechnology.com/ask-a-question
Measurement Schematic
Port 1 40*Ω
Port 2 50Ω
Network
Analyzer
Port 1: Filter IN (red marking side
toward chipset)
GND
*Port 1 is indeed 40ohms!
Port 2: Filter OUT (toward antenna)
OUT
IN
GND
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