HP 8340b - Section 3

20-30 Loops
Assembly-Level Service
CONTENTS
INTRODUCTION
..............................................................
C-1
Assemblies
..................................................................
C-1
OVERALL
THEORY
OF
OPERATION
............................................
C-2
In
CW/Manual Mode
..........................................................
C-2
In
Swept
Modes
.............................................................
C-2
20-30
Loop Characteristics
.....................................................
C-3
PLL2
Theory
of Operation
......................................................C-3
PLL3
Theory
of
Operation
.....................................................
C-6
PLL1
Theory
of Operation
......................................................
C-7
Simplified
Block
Diagram
......................................................
C-9
20-30
LOOPS
ASSEMBLY-LEVEL
TROUBLESHOOTING
.........................
C-11
Troubleshooting
Phase
Lock
Loop
2
.............................................C-11
Troubleshooting
Phase
Lock
Loop
3
............................................
C-13
Troubleshooting
Phase
Lock
Loop
1
............................................
C-14
Verify
the
N1
Divider
........................................................
C-15
Troubleshooting
Block
Diagram
................................................
C-17
Major
Assemblies
Location
....................................................
C-19
REPLACEABLE
PARTS
......................................................
C-20
HP
8340B/41B
Table
of
Contents
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