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Page Title:
SECTION I INTRODUCTION AND DESCRIPTION |
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  INTRODUCTION AND DESCRIPTION
Sweep Generators AN/USM-308(V), .AN/USM-
This bulletin provides information, equipment
308(V)1, AN/USM(V)2, and AN/USM-308(V)3
setups, and adjustment locations for the periodic
consist of Generator Subassembly MX-8333(P)/
calibration of Sweep Generator Calibrators PL-
USM-308(V) and Generator Subassembly MX-
PL-1239A/USM-308(V),
1239/USM-308(V),
8364(P)/USM-308(V) or MX-8364A(P)/USM-
Sweep Generators AN/USM408(V), AN/USM-
308 (V) and various plug-in units that govern
308(V)1, AN/USM-308(V)2, and AN/USM-
the frequency range and power output of this
308(V)3, and the associated plug-in units com-
broad and narrow band sweep oscillator. Each
prising the (V) variable nomenclature. Since it
plug-in unit has a plastic frequency scale that is
is to be used by personnel trained and qualified
snapped in the main. frame while being used.
in the use of calibration equipment, detailed in-
The RF plug-in units may be used individually
structions pertaining to operation and use of the
by being inserted into main frame MX-8364 (P)/
calibration equipment is not included.
USM-308(V), or collectively as shown in figure
1 with Plug-In Unit PL-1243/USM-308 (V) in-
serted into the mainframe. Calibrator PL-1239/
The reporting of errors, omissions, and recom-
USM-308(V) or PL-1239A/USM-308 (V) is also
mendations for improving this bulletin by the
with the configuration and enables checking and
adjusting by supplying substitute resistive loads
individual user is encouraged. Reporta should be
and voltage outlets. Additional data is listed in
submitted on DA Form 2028 (Recommended
a, b, and c as follows:
Changes to Publications) and forwarded direct
to Commander, US Army Electronics Command,
a.. ldentification. The identification and physical
ATTN: AMSEL-MA-CRA, Fort Monmouth, NJ
description of the sweep generator set is contained
07708.
in table 1-1.
Table 1-1. Component Identification
Weight
Number
(approx)
Nomenclature
Type
Number
Mfg. Part
28 lbs
18X17X10
MX-8333(P)/USM-308(V)
HP 8707A
36 lbs
Generator subassemblies
18X17X9
HP 8690A
MX-8364(P)/USM-308(V)
36 lbs
18X17X9
HP 8690B
MX-8364A(P)/USM-308(V)
16 lbse
17X7X5
HP
K04-S690A
PL-1239/USM-308(V)
Electric test equlpment plug-in
16 lbse
17X7X5
HP
11531A
PL-1239A/USM-308(V)
16 lbs
Units.
17X7X5
HP
8693B
PL-1240/USM-308(V)
15 lbs
17X7X5
HP
8698A
PL-1241/USM-308(V)
16 lbs
17X7X5
HP
8698B
PL-1241A/USM-308(V)
16 lbs
17X7X5
PL-1242/USM-308(V)
HP
8699B
17X7X5
16 Ibs
PL-1243/USM-308(V)
HP
8706A
17X7X5
13 lbs
PL-1304/USM-308(V)
HP
8694B
16 Ibs
HP
8691A
17X7X5
None applied.
16 lbs
HP
8692A
17X7X5
I
16 lbs
17X7X5
HP
8695A
16 Ibs
HP
8696A
17X7X5
16 lbs
HP
8697A
17X7X5
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