CHAPTER 5. PERFORMANCE STANDARDS

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

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% ¼-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

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