
12.
Theory
of
Operation
How
the
HP
8752C
W
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12-2
The
Built-In
Synthesized
Source
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12-3
The
Source
Step
Attenuator
(Option
004)
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12-3
The
Built-In
Transmission/Reection
T
est
Set
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12-4
The
Receiver
Block
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12-4
The
Microprocessor
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12-4
A
Close
Look
at
the
Analyzer's
Functional
Groups
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12-5
P
ower
Supply
Theory
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12-6
A15
Preregulator
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12-6
Line
P
ower
Module
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12-7
Preregulated
V
oltages
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12-7
Regulated
+5V
Digital
Supply
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12-7
Shutdown
Indications:
the
Green
LED
and
Red
LED
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12-7
A8
P
ost
Regulator
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12-8
V
oltage
Indications:
the
Green
LEDs
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12-8
Shutdown
Circuit
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12-8
V
ariable
F
an
Circuit
and
Air
Flow
Detector
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12-8
Display
P
ower
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12-9
Probe
P
ower
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12-9
Digital
Control
Theory
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12-9
A1
Front
P
anel
Keyboard
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12-10
A2
Front
P
anel
Processor
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12-11
A9
CPU/A10
Digital
IF
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12-11
Main
CPU
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12-11
Main
RAM
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12-11
EEPROM
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12-12
Digital
Signal
Processor
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12-12
A18
Display
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12-12
A19
GSP
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12-12
A16
Rear
P
anel
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12-13
Source
Theory
Overview
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12-14
A14/A13
Fractional-N
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12-14
A12
Reference
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12-14
A7
Pulse
Generator
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12-14
A11
Phase
Lock
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12-15
A3
Source
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12-15
Source
Low
Band
Operation
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12-16
Source
High
Band
Operation
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12-19
Signal
Separation
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12-23
The
A30
Dual
Directional
Coupler
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12-23
Contents-13
Summary of Contents for 8752C
Page 22: ...Before Applying Power 15 6 Servicing 15 6 Index Contents 16 ...
Page 38: ......
Page 43: ...Figure 2 1 Measurement Uncertainty Window System Veri cation and Performance Tests 2 5 ...
Page 116: ......
Page 122: ...Figure 3 1 Location of Major Assemblies 3 6 Adjustments and Correction Constants ...
Page 176: ......
Page 192: ...4 16 Start Troubleshooting Here ...
Page 193: ......
Page 195: ...Figure 4 7 HP 8752C Overall Block Diagram 3 of 4 Option 006 4 20 Start Troubleshooting Here ...
Page 197: ......
Page 221: ...5 24 Power Supply Troubleshooting ...
Page 222: ......
Page 271: ...Figure 7 21 A14 Generated Digital Control Signals Source Troubleshooting 7 31 ...
Page 302: ......
Page 366: ......
Page 378: ...Figure 11 4 Typical ED Re ection Test Port 11 12 Error Terms ...
Page 380: ...Figure 11 5 Typical ES Re ection Test Port 11 14 Error Terms ...
Page 382: ...Figure 11 6 Typical ER Re ection Test Port 11 16 Error Terms ...
Page 386: ...Figure 11 9 Typical ET 11 20 Error Terms ...
Page 407: ...Figure 12 5 High Band Operation of the Source Theory of Operation 12 21 ...
Page 410: ...Figure 12 6 Receiver Functional Group standard and Option 003 12 24 Theory of Operation ...
Page 411: ...Figure 12 7 Receiver Functional Group Option 003 and 004 Theory of Operation 12 25 ...
Page 412: ...Figure 12 8 Receiver Functional Group Option 006 12 26 Theory of Operation ...
Page 413: ...Figure 12 9 Receiver Functional Group Option 004 and 006 Theory of Operation 12 27 ...
Page 416: ......
Page 419: ...Figure 13 1 Module Exchange Procedure Replaceable Parts 13 3 ...
Page 423: ...Major Assemblies Replaceable Parts 13 7 ...
Page 425: ...Front Panel Assemblies Replaceable Parts 13 9 ...
Page 427: ...Rear Panel Assemblies Replaceable Parts 13 11 ...
Page 429: ...Cables Top View Replaceable Parts 13 13 ...
Page 431: ...Front Panel Cables and Attaching Hardware Replaceable Parts 13 15 ...
Page 433: ...Rear Panel Cables and Attaching Hardware Replaceable Parts 13 17 ...
Page 435: ...Source and Sampler Parts Standard and Option 003 Replaceable Parts 13 19 ...
Page 437: ...Source and Sampler Parts Option 004 006 Replaceable Parts 13 21 ...
Page 439: ...Source and Sampler Parts Options 004 and 003 004 Replaceable Parts 13 23 ...
Page 441: ...Source and Sampler Parts Option 006 Replaceable Parts 13 25 ...
Page 443: ...Display Bezel Assembly Replaceable Parts 13 27 ...
Page 445: ...Chassis Parts Replaceable Parts 13 29 ...
Page 447: ...Top View of Attaching Hardware and Post Regulator Fuses Replaceable Parts 13 31 ...
Page 449: ...Bottom View of Attaching Hardware Replaceable Parts 13 33 ...
Page 488: ......