TM 32-6625-022-24&P
INTRODUCTION
Section I. GENERAL
1-4 ADMINISTRATIVE STORAGE. Administrative stor-
support, and general support instructions for the installa-
age will be in accordance with instructions provided in TM
tion and maitenance of Sweep Signal Generator SG-677/U
740-90-1, Administrative Storage of Equipment.
included.
1-5 CALIBRATION. For calibration refer to DMWR
32-6625-022.
1-2 MAINTENANCE FORMS AND RECORDS. Depart-
ment of the Army forms and procedures used for equip-
1-6 REPORTING EQUIPMENT IMPROVEMENT REC-
COMMENDATIONS (EIR's). If your sweep generator
ment maintenance will be those prescribed by TM 38-750,
The Army Maintenance Management System (TAMMS).
needs improvement, let us know. Send us an EIR. You,
the user, are the only one who can tell us what you don't
1-3 DESTRUCTION OF ARMY MATERIEL TO PRE-
like about your equipment. Let us know why you
VENT ENEMY USE. The sweep generator will be de-
don't like the design. Tell us why a procedure is hard to
stroyed to prevent enemy use in accordance with instruc-
perform. Put it on an SF 368 (Quality Deficiency Report).
tions provided in TM 750-244-2, Procedures for Destruc-
Mail it to us at US Army Electronics Materiel Readiness
tion of Electronics Materiel to Prevent Enemy Use (Elec-
Activity, ATTN: SELEM-ME-F, Vint Hill Farms Station,
tronics Command).
Warrenton, Virginia 22186. We'll send you a reply.
Section II. DESCRIPTION AND DATA
1-7 DESCRIPTION.
for bench and normal service use and one at the rear
of the sweep generator assembly for use when the as-
a. The sweep generator (figure 1-1) is a solid state
sembly is rack-mounted or removed from the combina-
electronic sweep generator used to test rind/or align com-
tion case for servicing.
(RF) output signal of 500 kHz to 1200 MHz, which may
1-8 TABULATED DATA.
be used as a continuous wave (CW) source, swept manually
or automatically. The sweep generator is enclosed in a com-
bination utility/transit cabinet for normal service use but, if
Center frequency range . . . . Continuously variable from
desired, may be removed from its cabinet and mounted in a
500 kHz to 1200 MHz in
standard rack-and-panel configuration. The internal power
two ranges.
cord connecting the front and rear connectors is shielded
Range (VHF) . . . . . . . . . . . Continuously variable from
to prevent RF radiation into the power line. RF shields
5 0 0 kHz to 300 MHz.
are installed around the front opening of the case, under
Range (UHF) . . . . . . . . . . . Continuously variable from
the high-badn oscillator covers and the video amplifier
300 MHz to 1200 MHz.
cover, to reduce RF interference. The cabinet is equipped
Sweep width (narrow) . . . . . Continuously variable from
with guide rails and locating pins to facilitate installation
10 kHz to 1 MHz.
of the generator. Slip hinges allow the cabinet cover to be
Sweep width (wide) . . . . . . Continuously variable from
easily removed. Provisions are made for storing the power
5 0 0 kHz to 400 MHz.
cord with the cabinet cover.
RF output voltage . . . . . . . At least 0.5 V rms into a
b. The sweep Generator is constructed of aluminum
50 ohm resistive load.
and reinforced where necessary to provide adequate struc-
RF output voltage
variation (VHF) . . . . . . . . Not more than 0.25 dB at
tural strength. Two time-wire 115 Vac 60 Hz or 400 Hz
power connectors are furnished: one at the front panel
maximum sweep width.
