TM 11-5840-281-35/1
Control settings
Step No. Test equipment Equipment under test
Test procedure
Performance standard
u. None.
u. On radar test set, adjust
OUTPUT ATTEN. control
for pulse amplitude of 0.06v
peak as indicated on ocillo-
scope.
v. Dbm setting on OUT-
v. Record OUTPUT ATTEN.
PUT ATTEN. control
control dial dbm setting.
dial.
w. 12 db max, 8 db min
w. Subtract dbm setting recorded
stage gain.
in v above from dbm setting
recorded in r above.
x. None.
Amplifier AM-3388/TPN-8,
NEL A INPUT test prod
from DET 2 testpoint TP8604
and connect to DET 1 test-
point TP8603.
y. None.
y. On radar test set, adjust
OUTPUT ATTEN. control
for pulse amplitude of 0.06v
peak as indicated on ocillo-
scope.
z. Dbm setting on OUT-
z. Record OUTPUT ATTEN.
PUT ATTEN. control
control dial dbm setting.
dial.
aa. Subtract dbm setting re-
aa. 12 db max, 8 db min
corded in z above from dbm
stage gain.
setting recorded in v above.
ab. None.
Amplifier AM-888/TPN-,
remove jumper wire from
DET LOG VIDEO testpoint
TP8601.
a. None.
7 As last indicated, except: As last
Amplifier AM-83S8/TPN-8,
indicated
Oscilloscope
CHANNEL A INPUT teat
CHANNEL A SENSI-
prod from DET 1 testpoint
TIVITY (VOLTS/
TP8603 and connect to
CM): 1
IAGC PULSE testpoint
TP8602.
b. None.
b. On radar test set, adjust
OUTPUT ATTEN. control
for pule amplitude of 2v
peak as indicated on
oscilloscope.
c. Dbm setting on OUT-
c. Record OUTPUT ATTEN.
PUT ATTEN. control
control dial dbm setting.
dial.
d. None.
d. On radar test set, adjust
OUTPUT ATTEN. control
for pulse amplitude of 8v
peak as indicated on ocillo-
scope.
e. Dbm setting on OUT-
e. Record OUTPUT ATTEN.
PUT ATTEN. control
control dial dbm setting.
dial.
f. 18 db per volt max 14
f. Compute slope of response
db per volt min.
curve in db per volt by sub-
tracting dbm setting recorded
in e above from dbm setting
recorded in c above.
4-20