HP 8444A - Section Operation; Panel Features; Operating Techniques

Model 8444A
Operation
SECTION IH
OPERATION
3-1. INTRODUCTION
3-2. This section provides complete operation
instructions for the HP Model 8444A Tracking
Generator.
Front
and
rear
panel
controls,
connec-
tors and indicators for the Tracking Generator are
identified and described in Figures 3-1 and 3-2.
Operational connections and adjustments for the
Tracking Generator and an 8554B Spectrum Ana-
lyzer System are detailed in Figure 3-3. Operational
connections and adjustments for the Tracking
Generator and an 8555A Spectrum Analyzer Sys-
tem are detailed in Figure 3-4. Additional operating
information is contained in Figures 3-5 through
3-10.
3-3. PANEL FEATURES
3-4. Front and rear panel features of the Tracking
Generator are described in Figures 3-1 and 3-2.
Front and rear panel views of the Tracking Gener-
ator connected to the HP 8554B/8552/141T
Spectrum Analyzer are shown in Figure 3-3. Front
and rear panel views of the Tracking Generator
connected to the HP 8555 A/8552/141T Spectrum
Analyzer are shown in Figure 3-4. For a detailed
description of the Spectrum Analyzer controls,
connectors and indicators refer to the appropriate
operating and service manuals for those instru-
ments. Interconnection wiring between the Track-
ing Generator and the Spectrum Analyzer is con-
tained in Section VIII (Service Sheet 1) of this
manual. i
3-5. OPERATOR’S CHECKS
3-6. Upon receipt of the instrument, or when the
Tracking Generator is to be used with a different
Spectrum Analyzer, perform the operational
adjustment procedures listed in Figure 3-3 or 3-4.
3-7. OPERATING INSTRUCTIONS
3-8. General operating instructions are contained
in Figures 3-3 and 3-4. These instructions will
familiarize the operator with basic operating func-
tions of the Tracking Generator in use with Spec-
trum Analyzers. Additional operating techniques
and information is contained in Figures 3-5
through 3-10.
3-9. CONTROLS, INDICATORS AND
CONNECTORS
3-10. Front and rear panel controls, indicators and
connectors are identified and briefly described in
Figures 3-1 and 3-2. Operational adjustment proce-
dures are given in Figures 3-3 and 3-4. Additional
information, to assist the user during instrument
operation, is given in the following paragraphs.
3-11. OPERATING TECHNIQUES
3-12.
The
following
information
is
provided
to
acquaint
the
user
with
Tracking
Generator/
Spectrum
Analyzer
operation.
When
a
device
is
placed
in
the
signal
path
between
the
Tracking
Generator
and
the
Spectrum
Analyzer,
the
analy-
zer
detects
and
displays
the
frequency
response
of
the
device
under
test.
The
Spectrum
Analyzer
tuning
and
scan
width
settings
determine
the
Tracking
Generator
output
frequency
and
the
re-
sultant
CRT
display.
The
type
of
device,
control
settings,
and
typical
display
is
provided
for
each
of
the
following
measurements.
. Crystal Filter Measurement, Para. 3-13.
. Bandpass Filter Measurement, Para. 3-15.
a
b
c. Low-Pass Filter Measurement, Para. 3-17.
d. Swept Return Loss Measurement, Para. 3-19.
e
. Amplifier Gain and Bandwidth Measurement,
Para. 3-21.
f. Precision Frequency Measurement, Para. 3-23.
3-1