Ramsey Electronics manual HR20 Parts Layout Diagram

Page 10

HR20 PARTS LAYOUT DIAGRAM

HR20• 10

Image 10

Contents ALL Mode Receiver KIT Partial List of Available Kits Ramsey Transmitter Kits HR20 Amateur Receiver KIT Introduction Ramsey HR-SERIES Amateur ReceiversAbout Direct Conversion Receivers Circuit Description Capacitors Parts Supplied with the HR20 KITLEARN-AS-YOU-BUILD Receiver Assembly Strategy HR20 HR20 Parts Layout Diagram Receiver Assembly HR20 HR20 Initial Testing of Your HR20 Required for Initial Testing and AlignmentAlignment Alignment Hint for ALL Direct Conversion ReceiversCW Operation Using Your ReceiverTuning SSB Signals On the AIR TRANS-RECEIVINGSpeaker Operation More Audio Power Another WAY Adding AN LED Power on IndicatorTroubleshooting Tips Alternate Power Sources General Notes for Experienced QRP BuildersBandspread and Tuning Range Other Methods of Dial Calibration Frequency StabilityDirect Frequency Readout LM386 Audio Output HR20 Construction Notes Ramsey Kit Warranty Factory Repair of Assembled Kits Required Tools Total Solder Points Estimated Assembly TimeHR20 Amateur Receiver KIT Additional Suggested Items