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492A
HP 492A Manuals
Manuals and User Guides for HP 492A. We have
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HP 492A manual available for free PDF download: Operating And Service Manual
HP 492A Operating And Service Manual (44 pages)
traveling-wave
Brand:
HP
| Category:
Amplifier
| Size: 2.55 MB
Table of Contents
4
Table of Contents
6
Description
6
General Information
7
Instrument Identification
7
Traveling Wave Tube Warranty
8
Installation
8
Mechanical Inspection
8
Power Cable
8
Power Requirements
8
Repackaging for Shipment
10
Bandwidth Considerations
10
Helix Control
10
Introduction
10
Operating Instructions
10
Preliminary Operating Procedure
10
Saturation Power Output
12
Amplitude Modulation
12
Buffer Amplifications
12
Constant Gain or Constant Output
12
Amplification
15
Limited Phase Modulation
15
Pulse Modulation
15
Unlimited Phase Modulation and Frequency Shifting
16
Homodyne Detection
18
Frequency Modulation
20
Principles of Operation
20
Introduction
20
Regulated Power Supply
20
Traveling Wave Tube
23
Grid Modulation
23
Helix Modulation
24
Constant-Amplitude, Linear Sawtooth Generator
26
Maintenance
26
Introduction
26
Cleaning the Air Filter
26
Test Equipment
28
Repair
28
Cabinet Removal
28
Tube Replacement
28
Traveling Wave Tube Capsule
28
Replacement
30
Adjustments
30
Excessive Helix Current
30
Chassis Helix Control
30
Anode Voltage Control
30
Regulated Power Supply
31
Troubleshooting
32
Performance Checks
32
Output Power Check
32
Noise Figure Check
35
Replaceable Parts
35
Introduction
35
Ordering Information
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