TM 11-5821-284-34
CHAPTER 5
PERFORMANCE STANDARDS
d. Multimeter ME-26B/U.
5-1.
Applicability of Performance Standards
e. Amplifier, Power (Boonton 230A, FSN
The tests outlined in this chapter are designed to
6625-942-3042).
measure the performance capability of a repaired
f.
Power Supply.
equipment. Equipment that is to be returned to stock
g. Resistor, fixed, 6850 ohms or 5600 ohms +
should meet the standards given in these tests.
10% -W power rating.
5-2.
Applicable References
a. Repair Standards. Applicable procedures
NOTE
When testing antenna model 437S-1B
of the depots performing these tests and the general
replace R9 on circuit board Al with a
standards for repaired electronic equipment given-en in
5600-ohm resistor or connect a 6850-
TB S1G 355-1. TB SIG 355-1, and TB SIG 355-2, and
ohm resistor in parallel AlR9. Remove
TB SIG 355-3 form a part of the re-requirements for
the resistor when testing is complete.
testing this equipment.
b. Technical Manuals. The other applicable
5-4.
Phase Discriminator output Test
technical manual is TM 11-5821-284-20.
a. Test Equipment.
c. Modification Work Orders. Perform work
(1) Test Set, Antenna AN/ARM-115.
specified by modification work orders (MWO's)
(2) Generator, RF Signal AN/USM-44A.
pertaining to this equipment before making the tests
(3) Multimeter ME-26B/U.
specified. DA Pam 310-7 lists all available MWO's.
(4) Amplifier, Power Boonton 230A.
b. Test Connections and Conditions. Connect
5-3.
Test Facilities Required
the equipment as shown in figure 5-1. Turn on the
The following equipments and materials, or suit-able
equipment and allow 5-minute warmup before
equivalents, will be employed in determining compliance
proceeding.
with specific standard.
c. Procedure.
a. Test Set, Antenna AN/ARM-115.
b. Generator, Signal AN/USM-44A.
c. Oscilloscope, AN/USM-281.
Step
Test equipment
control settings
Test procedure
Performance standard
1
AN/ARM-115:
Measure dc voltage between
FL1 is 0. 4 to 1. 0 volt posi-
METER FUNCTION: OFF.
FL1 and FL5, positive
tive with respect to FL5
MV ADJUST: fully ccw.
Lead to FL1.
MANUAL TUNE: OFF.
AN/USM-44A: Adjust
for 30-MHz output,
maximum power.
Power Amplifier: Adjust
for 3OMHz output,
maximum power.
ME-26B/U: Adjust to read
1. 0 Vdc.
5-1
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