<s>
The	O
AN/APG	B-Device
-68	I-Device
radar	B-Application
is	O
a	O
long	O
range	O
(	O
up	O
to	O
296km	O
)	O
Pulse-doppler	B-Algorithm
radar	I-Algorithm
designed	O
by	O
Westinghouse	O
(	O
now	O
Northrop	O
Grumman	O
)	O
to	O
replace	O
AN/APG	B-Device
-66	I-Device
radar	B-Application
in	O
the	O
F-16	O
Fighting	O
Falcon	O
.	O
</s>
<s>
The	O
AN/APG	O
-68(V )	O
8	O
and	O
earlier	O
radar	B-Application
system	I-Application
consists	O
of	O
the	O
following	O
line-replaceable	O
units	O
:	O
</s>
<s>
The	O
AN/APG	O
-68(V )	O
9	O
radar	B-Application
system	I-Application
consists	O
of	O
the	O
following	O
line-replaceable	O
units	O
:	O
</s>
<s>
The	O
AN/APG	O
-68(V )	O
9	O
radar	B-Application
is	O
the	O
latest	O
development	O
.	O
</s>
<s>
Besides	O
the	O
increase	O
in	O
scan	O
range	O
compared	O
to	O
the	O
previous	O
version	O
,	O
it	O
has	O
a	O
Synthetic	B-Application
aperture	I-Application
radar	I-Application
(	O
SAR	O
)	O
capability	O
.	O
</s>
<s>
The	O
APG-68(V )	O
9	O
has	O
equipped	O
several	O
variants	O
,	O
including	O
the	O
Egyptian	O
Air	O
Force	O
,	O
Israeli	O
Air	O
Force	O
,	O
Chilean	O
Air	O
Force	O
,	O
Republic	O
of	O
Singapore	O
Air	O
Force	O
,	O
Turkish	O
Air	O
Force	O
,	O
Royal	O
Moroccan	O
Air	O
Force	O
,	O
Greek	O
Air	O
Force	O
,	O
Pakistan	O
Air	O
Force	O
,	O
Polish	O
Air	O
Force	O
,	O
Royal	O
Thai	O
Air	O
Force	O
,	O
and	O
Indonesian	O
Air	O
Force	O
.	O
</s>
<s>
Programmable	O
Signal	O
Processor	O
(	O
PSP	O
)	O
-	O
The	O
core	O
radar	B-Application
component	O
which	O
is	O
responsible	O
for	O
signal	O
processing	O
,	O
frequency	O
selection	O
,	O
signal	O
digitization	O
for	O
B-Scope	O
display	O
.	O
</s>
<s>
The	O
PSP	O
is	O
controlled	O
through	O
the	O
F-16	O
Heads	O
Down	O
Display	O
Set	O
(	O
HDDS	O
)	O
or	O
what	O
is	O
commonly	O
called	O
the	O
Multi-Function	B-Device
Displays	I-Device
(	O
MFDs	O
)	O
.	O
</s>
<s>
The	O
PSP	O
is	O
directed	O
by	O
the	O
system	O
operational	O
flight	O
program	O
(	O
OFP	O
)	O
,	O
which	O
is	O
controlled	O
and	O
modified	O
for	O
new	O
threats	O
or	O
addition	O
radar	B-Application
system	I-Application
requirements	O
.	O
</s>
<s>
The	O
PSP	O
also	O
contains	O
all	O
the	O
controls	O
circuitry	O
for	O
radar	B-Application
A/A	O
and	O
A/G	O
operational	O
scan	O
patterns	O
and	O
SAR/ISAR	O
operation	O
.	O
</s>
<s>
Modular	O
Low	O
Powered	O
Radio	O
Frequency	O
(	O
MLPRF	O
)	O
-	O
The	O
frequency	O
generator	O
for	O
the	O
radar	B-Application
system	I-Application
.	O
</s>
<s>
Frequency	O
generation	O
is	O
dependent	O
on	O
the	O
random	O
frequency	O
selection	O
from	O
the	O
radar	B-Application
tables	O
within	O
the	O
PSP	O
upon	O
system	O
start-up	O
.	O
</s>
<s>
The	O
MLPRF	O
also	O
is	O
responsible	O
for	O
the	O
receiving	O
of	O
the	O
radar	B-Application
return	O
,	O
generating	O
the	O
RF	O
injection	O
noise	O
(	O
for	O
RF	O
discrimination	O
)	O
,	O
and	O
the	O
processed	O
RF	O
within	O
the	O
MLPRF	O
is	O
then	O
later	O
sent	O
to	O
the	O
PSP	O
for	O
video	O
processing	O
and	O
threat/target	O
matching	O
against	O
the	O
radar	B-Application
threat	O
tables	O
within	O
the	O
PSP	O
,	O
prior	O
to	O
flightcrew	O
system	O
display	O
.	O
</s>
<s>
Dual	O
Mode	O
Transmitter	O
(	O
DMT	O
)	O
-	O
A	O
24,000	O
volt	O
radar	B-Application
transmitter	O
,	O
containing	O
a	O
TWT	O
,	O
which	O
generates	O
the	O
amplified	O
RF	O
to	O
be	O
sent	O
to	O
the	O
radar	B-Application
Antenna	O
for	O
system	O
emission	O
.	O
</s>
<s>
Antenna	O
-	O
A	O
planar	B-Algorithm
array	I-Algorithm
antenna	O
,	O
which	O
is	O
constructed	O
to	O
receive	O
RF	O
data	O
through	O
a	O
waveguide	O
system	O
.	O
</s>
<s>
The	O
transmitted	O
and	O
received	O
pulses	O
are	O
controlled	O
in	O
time	O
by	O
the	O
PMW	O
(	O
Pulse	O
Modulated	O
Wave	O
)	O
radar	B-Application
design	O
,	O
and	O
the	O
waveguide	O
duplexer	O
assembly	O
.	O
</s>
