FC's Ham Radio Circuits

Power your amateur radio station with solar power using a CirKits kit.

Solar Charge Controller	Dark Activated Switch	Low Voltage Disconnect	Battery Voltage Monitor

Ham radio circuits by W0RIO (formerly WB0RIO)

Antennas and Antenna Tuners

• QRP Antenna Tuner

Solid State Ham Radio Circuits

• Solar Powered 12V Ham Radio Station using four CirKits kits
• Smooth Tone Clickless CW Sidetone Generator
• All-Ears QSK Timing Generator
• The Accu-Keyer Extended Morse Code Keyer
• Modular CW Transmitter Prototyping System
• Morse Code Beacon Keyer EPROM and Arduino versions, cw2hex.c Morse encoder
• The W0RIO 28 Mhz FSCW Beacon
• The W0RIO 15 Meter QRP Transmitter
• Taming the Wild RockMite 20 QRP Rig
• Solar Powered FM Bug
• VXO FM Bug
• A Retro-1970s 24 Hour 12V Digital Clock
• Digital Clock/Thermometer using a Side-Lit LED Display
• Two 13.8 Volt 4 Amp DC Power Supplies

Vacuum Tube Ham Radio Circuits

• The W0RIO 40-30 CW Transmitter
• The Little Chickadee 6U8A QRP Transmitter
• The AM Chickadee 6U8A QRP AM Transmitter
• The W0RIO Piglet 6U8A Regenerative Receiver
• Low Power 6U8A Vacuum Tube Audio Amp V2
• Low Power 6C4/6U8A Vacuum Tube Audio Amp V3
• The W0RIO 6U8A Code Practice Oscillator
• The W0RIO Meadowlark 6JH8 Direct Conversion Receiver
• House Finch Direct Conversion Tube Receiver
• Squasherator Tube Compressor
• AM Farm Radio Power Supply V1 (90V, 1.5V)
• AM Farm Radio Power Supply V2 (135V, 6.3V)
• Magic Eye Tube Wavemeter
• Experiments With A 6AR8 AM/DSB Modulator
• Power Supply for Vacuum Tube Experiments
• W0RIO Transmitter Power Supply V2
• W0RIO Transmitter Power Supply V3

Boat Anchor Restoration Projects

• Drake 2B receiver info, mods and calibration tips
• Harvey Wells T-90 transmitter restoration
• National NC-155 receiver restoration
• BC-696A Command Set 80 Meter CW transmitter

Digital Interfaces for PSK-31 and other Modes

• Kenwood TS-430s Interface to a PC Soundcard
• Ten-Tec Argo 555 Interface to a Laptop

Experiments With New Modes

• Experiments with Frequency-Shift CW (FSCW)
• Tonewriter: Interfacing a Hammond Organ to Fldigi

Morse Code Keys and Paddles

• The W0RIO Morse Code Spatula Paddle

Ham Software

• Download cw2hex.tar.gz a C-language program for generating Morse code beacon messages

Back to FC's Electronics Circuits page.