Circuit Diagram; Electrical Characteristics - Murata Smst21Nmhb Series Manual

3.3

Circuit Diagram

RF-IC
~
4 Characteristics
4.1 Absolute maximum ratings
Rating
Operating Temperature
Storage Temperature
Input power
4.2 Electrical Characteristics (T=25
Parameter
Symbol
Unit
Test condition
SMST21NMHB-001
SMST21NMHB-002
SMST21NMHB-003
SMST21NMHB-004
*1: When RF2 is terminated by the complex conjugate of the component
RF Transformer (Stabilized Matching Device)
SMST21NMHB-***
L1
RF1
NC GND
Symbol
T
OP
T
STO
P
IN
o
C)
Low Band (892MHz)
Impedance Insertion Loss
R
L
Ω
RF1=50Ω,
RF1=50Ω
RF2=R
8
8
12
12
3
SMST21NMHB series
RF2
L2
Value
-40 to +85
-40 to +85
35
High Band (1940MHz)
*1
Impedance
IL R
L H
dB Ω
RF1=50Ω
L
0.32 19
0.38 22
0.26 19
0.25 22
Radiator
Unit
o
C
o
C
dBm
*1
Insertion Loss
IL
H
dB
RF1=50Ω,
RF2=R
H
0.17
0.16
0.17
0.11
July.2014