<s>
A	O
microwave	B-Algorithm
power	I-Algorithm
module	I-Algorithm
(	O
MPM	O
)	O
is	O
a	O
microwave	O
device	O
used	O
to	O
amplify	O
radio	O
frequency	O
signals	O
to	O
high	O
power	O
levels	O
.	O
</s>
<s>
They	O
are	O
available	O
in	O
various	O
frequency	O
ranges	O
,	O
from	O
S	B-Algorithm
band	I-Algorithm
up	O
to	O
W	B-Algorithm
band	I-Algorithm
.	O
</s>
<s>
The	O
microwave	B-Algorithm
power	I-Algorithm
module	I-Algorithm
concept	O
was	O
designed	O
for	O
use	O
in	O
active	O
phased	O
array	O
antennas	O
,	O
where	O
their	O
compact	O
size	O
permits	O
packing	O
a	O
large	O
number	O
of	O
modules	O
into	O
the	O
radiating	O
face	O
of	O
the	O
antenna	O
.	O
</s>
<s>
The	O
concept	O
was	O
explored	O
in	O
detail	O
by	O
the	O
1989	O
Microwave	B-Algorithm
Power	I-Algorithm
Module	I-Algorithm
Panel	O
,	O
supported	O
by	O
the	O
US	O
Naval	O
Research	O
Laboratory	O
.	O
</s>
<s>
Microwave	B-Algorithm
power	I-Algorithm
modules	I-Algorithm
are	O
available	O
at	O
various	O
frequencies	O
,	O
from	O
S	B-Algorithm
band	I-Algorithm
up	O
to	O
W	B-Algorithm
band	I-Algorithm
.	O
</s>
<s>
A	O
microwave	B-Algorithm
power	I-Algorithm
module	I-Algorithm
consists	O
of	O
a	O
solid	O
state	O
power	O
amplifier	O
,	O
which	O
drives	O
a	O
vacuum	O
power	O
booster	O
,	O
typically	O
a	O
traveling	O
wave	O
tube	O
.	O
</s>
<s>
MPMs	O
also	O
include	O
a	O
microcontroller	B-Architecture
,	O
which	O
is	O
responsible	O
for	O
controlling	O
the	O
operation	O
of	O
the	O
module	O
,	O
such	O
as	O
making	O
sure	O
the	O
various	O
power	O
supply	O
voltages	O
come	O
up	O
in	O
the	O
appropriate	O
sequence	O
to	O
prevent	O
damage	O
to	O
the	O
TWT	O
.	O
</s>
