TM 11-6625-2781-14&P-2
Section I
SECTION I
GENERAL INFORMATION
the prefix numbers on the inside title page of this
1-1. INTRODUCTION.
manual, the manual applies directly to the instrument.
When the instrument serial number prefix is not listed
1-2. This manual contains all information required to
on the inside title page of initial issue, manual change
install, operate, test, adjust and service the Hewlett-
sheets and manual up-dating information is provided.
Packard Model 8553B Spectrum Analyzer RF Section.
Later editions or revisions to the manual will contain the
This
section
covers
instrument
identification,
required change information in Section VII.
description, options, accessories, specifications and
other basic information.
1-7. DESCRIPTION.
1-3. Figure 1-1 shows the Hewlett-Packard Model
1-8. The HP Model 8553B Spectrum Analyzer RF
8553B Spectrum Analyzer RF Section with the Model
Section is shown in Figure 1-1 with the Model 8552A
8552A Spectrum Analyzer IF Section and the Model
Spectrum Analyzer IF Section and the Model 141T
141T Display Section.
Display Section. Table 1-1, Specifications, and Table
1-4. The various sections in this manual provide
the 8553B RF Section when used with an 8552A IF
information as follows:
Section and the 140 Display Section.
INSTALLATION,
provides
1-9.
The Analyzer is a highly sensitive super-
information relative to incoming inspection,
heterodyne receiver with spectrum scanning capabilities
power requirements, mounting, packing and
up to 110 MHz. Output video from the receiver circuits
shipping, etc.
is applied to the CRT in the display section; thus, a
signal or group of signals can be analyzed in the
OPERATION,
provides
frequency domain. Input signals are plotted on the CRT
information relative to operating the equipment.
as a function of amplitude versus frequency. The
amplitude (y-axis) of the CRT is calibrated in absolute
units of power (dBm) or voltage (V/mV); accordingly,
provides information required to ascertain that
the instrument is performing in accordance with
absolute and relative measurements of both amplitude
published specifications.
and frequency can be made.
ADJUSTMENTS,
provides
1-10. Controls of the instruments are arranged for easy
information required to properly adjust and align
operation. For wide spectrum analysis, the operator can
the instrument.
use a preset scan of 0 to 100 MHz. For more detailed
study, the spectrum width can be progressively
narrowed to .2 kHz, or the scanning capabilities can be
information for all replaceable parts and
eliminated altogether to use the instrument as a fixed
assemblies.
frequency receiver.
A bandwidth of 300 kHz is
automatically selected for preset scan operation; for
variable scan and fixed frequency operation, narrower
information required to adapt this manual to 75
bandwidths can be selected by the operator.
ohm, H01/H02 RF Sections. Also contains
manual backdating information.
1-11. OPTIONS
1-12. The 8553B/8552 Spectrum Analyzer is available
for servicing the instrument.
with 75 ohms input/output impedance. The 8553B
Option H01 has a Western Electric WE-506A type input
1-5. INSTRUMENTS COVERED BY MANUAL.
connector and the 8553B Option H02 has a BNC input
connector. Specifications for the 75 ohm options are
1-6. Hewlett-Packard instruments carry an eight digit
listed in Table 1-1 and Section VII lists the changes
serial number (see Figure 1-2) on the back panel.
necessary to adapt this manual to them.
When the serial number prefix on the instrument serial
number plate of your instrument is the same as one of
1-1
