 |
|||
|
|
|||
|
Page Title:
Figure 59. Module A7, parts location. |
|
||
| ||||||||||
|
|  Figure 59. Module A7, parts location.
indication given in (6) and (9) above.
tain a O-db indication on the 411A.
(13)
The gain noted in (3) should be +20
I n c r e a s e the AN/URM-48 fre-
(5)
db; the 3-db bandwidth computed in
quency until the 411A indicates a
(10) above should be 1,100 kc.
3-db decrease.
(14)
Change the receiver-transmitter
Connect the AN/URM-48to the AN/
(6)
BAND switch to 53-75.
USM-26 and record the frequency.
(15)
Adjust AN/URM-48 frequency to
Decrease the AN/URM-48 to 30.00
53.00 mc as indicated by the AN/
mc.
USM-26.
Connect the AN/URM-48 between
(7)
(16)
pins 1 and 2 of A8J1.
Repeat (1) through (10) above; re-
Decrease frequency of the AN/
turn the AN/URM-48 to 53.00 mc
(8)
instead of the indication given in (6)
URM-48 until the 411A indicates a
and (9) above.
3-db decrease.
(17)
The gain noted in (3) above should
Connect the AN/URM-48 to the AN/
(9)
be +18 db; the 3-db bandwidth com-
USM-26 and record the frequency.
puted in (10) above shouldbe 500 kc.
I n c r e a s e the AN/URM-48 fre-
Adjust the AN/URM-48 frequency
(18)
quency to 30.00 mc.
to 75.95 mc as indicated by the AN/
Compute the difference between the
(lo)
USM-26.
frequencies recorded in (6) and (9)
(19)
Repeat the procedures given in (1)
above. The frequency difference is
through (10) above, returning the
the 3-db bandwidth, which should be
AN/URM-48 to 75.95 mc instead of
600 kc.
the indication given in (6) and (9)
Adjust the AN/URM-48 frequency
(11)
above.
to 52.95 mc as indicated by the AN/
(20)
The gain noted in (3) above should
USM-26.
be +20 db; the 3-db bandwidth com-
(12)
Repeat the procedures given in (1)
puted in (10) should be 1,500 kc.
through (10) above; return the AN/
(21)
Replace module A9.
URM-48 to 52.95 mc instead of the
119
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals