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Ramsey Electronics HR40 manual Construction Notes

Models: HR40

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CONSTRUCTION NOTES:

HR40 • 24

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Ramsey Electronics HR40 manual Construction Notes

Contents

Small in size but BIG in features 40 METER 7.0 MHZ ALL MODE RECEIVER KITRamsey Electronics Model No HR40RAMSEY TRANSMITTER KITS KIT ASSEMBLY TABLE OF CONTENTSHR40 AMATEUR RECEIVER KIT INTRODUCTION RAMSEY HR-SERIESAMATEUR RECEIVERSABOUT DIRECT CONVERSION RECEIVERS Circuit Description PARTS SUPPLIED WITH THE HR40 KIT LEARN-AS-YOU-BUILDASSEMBLY STRATEGY HR40 PARTS LAYOUT HR40RECEIVER ASSEMBLY ˆ17. Install R5, 10k ohms brown-black-orange ˆ18. Install R2, 10k potentiometer tuning controlˆ21. Install S1, the power switch HR40HR40 INITIAL TESTING OF YOUR HR40 Alignment USING YOUR RECEIVER TUNING SSB SIGNALSCW OPERATION ON THE AIR TRANS-RECEIVINGMORE AUDIO POWER - ANOTHER WAY ADDING AN LED POWER ON INDICATORSPEAKER OPERATION HR40 TROUBLESHOOTING TIPS ALTERNATE POWER SOURCES BANDSPREAD AND TUNING RANGEGENERAL NOTES FOR EXPERIENCED QRP BUILDERS FREQUENCY STABILITY OTHER METHODS OF DIAL CALIBRATION DIRECT FREQUENCY READOUTTHE LM386 AUDIO OUTPUT volume control, R3 CONSTRUCTION NOTES HR40HR40 The Ramsey Kit Warranty HR403. FACTORY REPAIR OF ASSEMBLED KITS RAMSEY MODEL NO. HR40 AMATEUR RECEIVER KIT