2715 Spectrum Analyzer Service Manual i

Table of Contents

General Safety Summary ix...................................

Service Safety Summary xi....................................

Preface xv...................................................

Specifications

Electrical Characteristics 1-1..........................................

Operating Information

Instrument Description 2-1............................................
Conformance to Industry Standards 2-2..................................
Product Service 2-2..................................................
Instrument Construction 2-3...........................................
Installationand Preparation for Use 2-3..................................
Power Cord 2-3.....................................................
Replacing the Fuse 2-4...............................................
Selected Components 2-4.............................................
Assemblyand Circuit Numbering 2-4...................................
Accessories 2-4.....................................................
Menus 2-4.........................................................
SWP/TRG Menu Structure 2-6.........................................
UTIL Menu Structure
(1 of 2) 2-7.....................................................
UTIL Menu Structure
(2 of 2) 2-8.....................................................
MRK/FREQ Menu Struct ure 2-8.......................................
CATV/APPLCATV Measurements Page 1 Menu Structure (1 of 3) 2-9........
CATV/APPLCATV Measurements Page 1 Menu Structure (2 of 3) 2-10........
CATV/APPLCATV Measurements Page 1 Menu Structure (3 of 3) 2-11........
CATV/APPLCATV Measurements Page 2 Menu Structure (1 of 2) 2-12........
CATV/APPLCATV Measurements Page 2 Menu Structure (2 of 2) 2-13........
CATV/APPLApplications Menu Struc ture 2-14............................
DEMOD Menu Structure 2-14..........................................
DSPL Menu Structure 2-15............................................
USER DEF Menu Structure 2-15........................................
INPUT Menu Structure 2-16...........................................

Theory of Operation

Block Diagram Description 3-1........................................
Center Frequency Control 3-5.........................................
1st LO Buffer 3-7...................................................
Sweep 3-7.........................................................
DisplaySystem 3-8..................................................

Circuit Description 3-9........................................

Attenuator and 1st Converter 3-9.......................................
RF Mother Board and Phase Locked 2nd LO 3-12..........................