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Manuals
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Heathkit Manuals
Measuring Instruments
HD-1250
Manual
Heathkit HD-1250 Manual
Solid-state dip meter
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Manual
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Warranty
Table of Contents
Introduction
Parts List
Resistors
Capacitor
Coils
Diodes
Metal Parts
Wire-Braid
Hardware
Plastic Parts
Miscellaneous
Printed Material
Battery
Step-By-Step Assembly
Assembly Notes
Safety Warning
Detector Circuit Board
Start
Continue
Circuit Board Checkout
Oscillator Circuit Board
Chassis
Top Panel
Initial Test
Osc Level
Oscillator Installation
Side Panel Assembly
Final Adjustment
Trimmer Adjustment
Calibration
Calibration Using a Known Signal
Calibration Using a Frequency Counter
Final Assembly
Carrying Case
Extension Probe
Injection Mode of Operation
Mode of Operation
Injection Mode Theory
Absorption Wave Meter Mode of Operation
Headphones
Log Scale
Absorption Mode Theory
Applications
Receiver Adjustment
Transmitter Adjustment
Shunt and Series Trap Adjustment
To Measure the Q of a Tuned Circuit
Relative Q
To Find an Unknown Capacitor Value
To Find the Inductive of RF Coils
To Find the Inductive of Toroid Coils
To Check for Parasitic Oscillations
Neutralization
Use as a Relative Field-Strength Meter
Antennas
Tuned Feeders
Untuned Feeders
Parasitic Beams
Shorted Quarter-Wave Lines
Open Quarter-Wave Lines
Shorted Half-Wave Lines
Open Half-Wave Lines
Standing Waves
In Case of Difficulty
Visual Tests
Precautions for Troubleshooting
Silicon Bipolar Transistor Checking
MOSFET Checking
Troubleshooting Chart
Specifications
Circuit Description
Detector
Oscillator
Circuit Board X-Ray Views
Circuit Board Voltage Charts
Diode-Transistor Identification Chart
Schematic
Replacement Parts
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Download this manual
HEATHKIT
MANUAL
for
the
SOLID-STATE
DIP
METER
Model
HD-1250
COMPANY
•
BENTON
HARBOR. MICHIGAN
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Table of Contents
Troubleshooting
In case of difficulty
60
Troubleshooting Chart
62
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