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Ramsey Electronics FR146 manual

Models: FR146

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Ramsey Electronics FR146 manual

Contents

2 METER FM RECEIVER KIT Ramsey Electronics Model NoFR146 PARTIAL LIST OF AVAILABLE KITS TABLE OF CONTENTS FR146 2 METER FM RECEIVER KITKIT ASSEMBLY INTRODUCTION TO THE FR146 FM RECEIVER BUILDING YOUR FR146 KITFR146 CIRCUIT DESCRIPTION PARTS LIST Inductors Semiconductors and ICsSpecial Components Fixed ResistorsSEMICONDUCTOR REPLACEMENT DATA Controls and HardwareREQUIRED, NOT SUPPLIED NOTE CONCERNING THE AUDIO OUTPUT JACKFR146 BLOCK DIAGRAM U1 SA602 MIXERFR146 FR146 PARTS LAYOUT DIAGRAM FR146RAMSEY “Learn-As-You-Build”KIT ASSEMBLY Now, lets start buildingFURTHER COMPONENT INSTALLATION 2. SA602 OSCILLATOR-MIXERand VARACTOR TUNING1. ANTENNA INPUT AND TUNED RF PREAMPLIFIER FR146 FR146 21. Install C8, .001 uF marked .001, 102, or 1 nF PROGRESS SUMMARY 4. MC3359 FM IC and ASSOCIATED COMPONENTS 5. FINAL CONNECTIONS THE LM386 AUDIO IC STAGE TESTING, ALIGNMENT AND ADJUSTMENT ALIGNMENT PROCEDUREADDING AN LED POWER ON INDICATOR RECEIVER SENSITIVITYOTHER ENCLOSURE RECOMMENDATIONS FR146 TROUBLESHOOTING HINTS SOME NOTES FOR ADVANCED USERShearing about significant performance improvements, we do not recommend casual modification attempts The Ramsey Kit Warranty FR1463.FACTORY REPAIR OF ASSEMBLED KITS ESTIMATED ASSEMBLY RAMSEY MODEL NO. FR146 2 METER FM RECEIVER KITREQUIRED TOOLS TOTAL SOLDER POINTS