MFJ-8100 World Band Receiver
Instruction and Kit Assembly Manual
Table of Contents
Receiver Features ...................................................................................................... 2
Introduction No. 1: For Radio Beginners ................................................................. 3
Introduction No. 1: For Experienced Hams, Enthusiasts or Engineers .................... 6
Schematic Diagram of MFJ-8100 ............................................................................. 8
Receiver Controls and Connectors ............................................................................ 9
Understanding and Using the Regeneration Control................................................. 11
Tuning SSB (Single Sideband) Voice Signals .......................................................... 12
Some Helpful Terms and Abbreviations ................................................................... 13
MFJ-8100 Parts List .................................................................................................. 15
"X-Ray View" of Printed Circuit Board.................................................................... 17
Before You Start Building ! ...................................................................................... 18
STEP-BY-STEP KIT CONSTRUCTION (19-28)
Construction Phase 1 (steps 1-1 through 1-10) ......................................................... 19
Construction Phase 2 (steps 2-1 through 2-20) ......................................................... 20
Construction Phase 3 (steps 3-1 through 3-20) ......................................................... 22
Construction Phase 4 (steps 4-1 through 4-14) ......................................................... 23
Construction Phase 5 (steps 5-1 through 5-11) ......................................................... 25
Testing and Initial Adjustment
Construction Phase 6 (steps 6-1 through 6-18) ......................................................... 27
Final Assembly
Dial Calibration Adjustment of Trimmer Capacitor C5............................................ 29
Note to Hams or Experimenters ................................................................................ 29
Using and Enjoying Your Receiver........................................................................... 30
Setting Up a Useful Shortwave Antenna................................................................... 31
Your Receiver's Audio Circuit .................................................................................. 31
About the 5 Tuning Ranges of Your Receiver .......................................................... 32
Shortwave Listening in General ................................................................................ 33
In Case of Difficulty.................................................................................................. 34
Notes for Radio Hams and Experimenters ................................................................ 36
Conclusion................................................................................................................. 37
Circuit Component Index .......................................................................................... 38