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DRAKE Manuals
Amplifier
L7
Operator's manual
DRAKE L7 Operator's Manual
Linear amplifiers
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Chapter 1 Introduction
General Description
Manual Coverage
Chapter 2 Installation
Unpacking
Tube Installation
Location
Power Requirements
Jumper Connections
Antenna Requirements
Low Pass Filter
Matching Network
Ground Requirements
Exciter Requirements
Vox Relay
Rear Chassis Connectors
Jumper Connections
Power Supply
Connecting the
Viewing Angle Options
Transmitting Agc
General
Tuning Procedure
Cw and Rtty Tuning
Ssb and am Tuning
Operation
Front Panel Controls
Cw and Rtty Operation
Ssb Operation
Am Operation
Swr Calculation
Operation on Accessory Frequencies
Plate Voltage and Plate
Swr Nomograph
Chapter 4 Theory of Operation
Input
Transmitting Agc
Standby Cutoff Bias
Output
Wattmeter
Chapter 5 Maintenance
Service Data
Parts Ordering
Amplifier Disassembly
Cleaning
Tube Replacement
Test Equipment
Amplifier Troubleshooting
Tube Check
Alignment Procedures
Input Coil Adjustme
Wattmeter Calibration
Meter Adjustment
Null Adjustment
Watts Reflected
Watts Forward
3000 Watts Forward
Knob Pointer Alignment
Removing the Bottom Cover
Removing Top Cover
Power Supply Troubleshooting
Component Locations
Component Locations
Connections for Grid
Modell 7 Linear
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General Description
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Power Requirements
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Modell 7 Linear
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Troubleshooting
AMPLIFIER TROUBLESHOOTING
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3000 WATTS FORWARD
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