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QRP-20 • 24
20 METER CW TRANSMITTER KIT
Quick Reference Page Guide
Introduction to the QRP20 ..............4
Understanding power levels ...........5
QRP20 Circuit description ..............7
Parts list ..........................................9
Schematic Diagram ......................10
Parts layout diagram ....................11
QRP20 Assembly instructions ......12
Initial tests ....................................17
Options for finishing project ..........20
Troubleshooting guide ..................21
Ramsey kit warranty .....................22
Price: $5.00
Ramsey Publication No. QRP20
Assembly and Instruction manual for:
RAMSEY MODEL NO. QRP20
20 METER CW TRANSMITTER KIT
REQUIRED TOOLS
• Soldering Iron Ramsey WLC100
• Thin Rosin Core Solder Ramsey RTS12
• Needle Nose Pliers Ramsey MPP4 or RTS05
• Small Diagonal Cutters Ramsey RTS04
<OR> Technician’s Tool Kit TK405
ADDITIONAL SUGGESTED ITEMS
• Holder for PC Board/Parts Ramsey HH3
• Desoldering Braid Ramsey RTS08
• Digital Multimeter Ramsey M133
TOTAL SOLDER POINTS
159
ESTIMATED ASSEMBLY
TIME
Beginner ...............4.7 hrs
Intermediate .........2.7 hrs
Advanced ............. 2.0 hrs
RAMSEY ELECTRONICS, INC.
590 Fishers Station Drive
Victor, New York 14564
Phone (585) 924-4560
Fax (585) 924-4555
www.ramseykits.com