<s>
An	O
RF	B-Algorithm
switch	I-Algorithm
or	O
microwave	O
switch	O
is	O
a	O
device	O
to	O
route	O
high	B-Algorithm
frequency	I-Algorithm
signals	O
through	O
transmission	O
paths	O
.	O
</s>
<s>
RF	O
CMOS	O
switches	O
are	O
crucial	O
to	O
modern	O
wireless	O
telecommunication	O
,	O
including	O
wireless	B-General_Concept
networks	I-General_Concept
and	O
mobile	O
communication	O
devices	O
.	O
</s>
<s>
Infineon	O
's	O
bulk	O
CMOS	O
RF	B-Algorithm
switches	I-Algorithm
sell	O
over	O
1billion	O
units	O
annually	O
,	O
reaching	O
a	O
cumulative	O
5billion	O
units	O
,	O
.	O
</s>
<s>
A	O
solid	B-Algorithm
state	I-Algorithm
switch	O
is	O
an	O
electronic	O
switching	O
device	O
based	O
on	O
semiconductor	O
technology	O
(	O
e.g.	O
</s>
<s>
MOSFET	B-Architecture
,	O
PIN	O
diode	O
)	O
.	O
</s>
<s>
For	O
instance	O
,	O
an	O
RF	B-Algorithm
switch	I-Algorithm
matrix	I-Algorithm
may	O
need	O
to	O
route	O
a	O
signal	O
to	O
a	O
spectrum	O
analyzer	O
for	O
measurement	O
at	O
–	O
70	O
dBm	O
and	O
to	O
simultaneously	O
route	O
another	O
signal	O
at	O
+20	O
dBm	O
.	O
</s>
<s>
As	O
switching	O
time	O
only	O
specifies	O
an	O
end	O
value	O
of	O
90%	O
of	O
the	O
settled/final	O
value	O
of	O
the	O
RF	O
signal	O
,	O
settling	O
time	O
is	O
often	O
highlighted	O
in	O
solid	B-Algorithm
state	I-Algorithm
switch	O
performance	O
where	O
the	O
need	O
for	O
accuracy	O
and	O
precision	O
is	O
more	O
critical	O
.	O
</s>
<s>
This	O
specification	O
is	O
commonly	O
used	O
for	O
GaAs	O
FET	B-Application
switches	O
because	O
they	O
have	O
a	O
gate	O
lag	O
effect	O
caused	O
by	O
electrons	O
becoming	O
trapped	O
on	O
the	O
surface	O
of	O
the	O
GaAs	O
.	O
</s>
<s>
Solid	B-Algorithm
state	I-Algorithm
switches	O
are	O
categorized	O
as	O
absorptive	O
or	O
reflective	O
.	O
</s>
