Section i. IDENTIFICATION AND DESCRIPTION

TB 11-6625-2937-35

Section I.

IDENTIFICATION AND DESCRIPTION

Specifications:

Test Instrument Identification

Input power

requirements ------ AC: 115+5 V ac line-to-

a. This technical bulletin provides calibrator

neutral, 3 phase, 4 wire,

procedures for Test Set, Electronic Systems AN/UKM-5.

400 Hz at 50 watts

The AN/UKM-5 is used for bench testing, aligning,

DC: +5V, 5; amperes; +15

calibrating, and troubleshooting the following equipment:

V, 100 milliamperes; +15

(1) Transmitting Set, Radar Data AN/AKT- 18B

V, 1 ampere and -15 V, 1

(Encoder, Video KY-865/AKT-18B).

ampere

(2) Receiving Set, Radar Data AN/TKQ-2B

DC voltage output _+_ 50.1 V

(Decoder, Video KY-871/TKQ-2B).

+15+0.1 V

(3) Test Set, Electronic Systems AN/UKM-5

+28t0.2 V

(Test Set, Electronic Systems TS-3796,'UKM-4).

AC voltage output 115+5 V ac line-to-neutral,

b. The AN/UKM-5 contains two major com-

ponents which require calibration: Test Set, Electronic

3 phase, 4 wire, 400 Hz

Systems AN/UYM-7 (digital tester) and Test Set,

Electronic Systems TS-3796,'UKM-4 (control-interface

2. Calibration Description

unit). When interconnected they function as a single

operating unit. The digital tester (fig. 1) supplies the test

Table 1 lists the parameters to be calibrated and the

number being run, test stimuli and module test power to

performance specifications for the control-interface unit.

the control-interface unit (fig. 2). The test number input

is a verification check for proper switch settings on the

Table 1. Calibration Description

control-interface unit. The control interface unit, through

switching devices, supplies the test power and stimuli

Parameters

Performance specifications

from the digital tester to the microprocessor or standard

logic card being tested. Digital outputs from the card

Dc voltage output levels

+5+0.1 V

being tested are supplied to the control interface unit,

+15+0.1 V

which feeds this data back to the digital tester for

+28+0.2 V

comparison. Procedures for calibrating and testing the

Processor test clock output

4 MHz±1000 Hz.

digital tester are provided in TM 11-6625-2951-13.

Phase lock waveforms

Waveforms as shown in

Additional data on the control-interface unit is listed

figure

below.

6 with zero displacement

Nomen-

+ 100 msec.

clature.

Test Set, Electronic Systems

System test clock output

4 MHz_1000 Hz.

TS-3796/'UKM-4 (control-

interface unit)

3. Calibration Reporting

Size

13.76 x 17.25 x 17.30 inches

a. Forms, records, and reports required for

Weight

37 pounds

calibration personnel at all levels are prescribed in TM

Reference

TM 11-6625-2937-13

38-750. DA Form 2416 (Calibration Data Card) must be

TM 11-6625-2937-23P

annotated in accordance with TM 38-750 for each

calibration performed.

b. Adjustments to be reported on DA Form 2416

are designated (R) at the end of the sentence in which

they appear. Report only those adjustments made and

designated with (R).