No. SP-LFZ-713-02
All the technical data and information contained herein are subject to change without prior notice.
DUAL MATCHING FILTER
1. Characteristics (at -40~+85°C)
Part Number
LFD21433MMF5E258
Frequency Range (BW)
434.00 ± 3.00 MHz
ANT Port Impedance (Nominal)
50 Ω
Tx/Rx/TRx Port Impedance (Nominal)
Conjugate match with Silicon Labs EFR32 series
Insertion Loss in BW
Tx
3.00 dB max.
Rx
4.35 dB max.
Attenuation (Absolute value)
Tx
20.0 dB min. at 2f0
50.0 dB min. at 3f0
ANT Port V.S.W.R. in Tx BW
1.62 max.
Power Capacity
500 mW max.
2. Construction, Dimensions & Marking
Mark
Meaning
A
Directional Input Mark
(in mm)
Mark
Dimension
Mark
Dimension
L
2. 00±0.15
a2
0. 30±0.15
W
1. 25±0.15
c1
0. 20±0.15
T
0. 7max
c2
0.40±0.15
a1
0. 25±0.15
p1
0. 50±0.15
TERMINAL CONFIGURATION
Terminal No.
Terminal Name
Terminal No.
Terminal Name
(1)
GND
(6)
RX_N
(2)
ANT
(7)
RX_P
(3)
GND
(8)
TX _N
(4)
GND
(9)
TX _P
(5)
GND
(10)
DC-Feed
or GND
3. Land Pattern
* *
*
* *
0.100
0.400 0.600
0.900
0.150
0.925
0.425
1.300
0.275
1.025
0.275
0.600
Land
Solder resist
No pattern
Solder resist
Through Hole 0.30
*Line width to be designed to match 50Ω characteristic impedance,
depending on PCB material and thickness.
No. SP-LFZ-713-02
All the technical data and information contained herein are subject to change without prior notice.
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