1 last 20 meter QRP Rig
• The Bitx20 Version 3
• Semi-kit from India. This one takes a little more work
• Different options available for some of the harder-to-get parts
• $20.00 - $42.00 including postage from India
KitsAndParts.Com
• RF Toolkits are Electronic Building Blocks.
Most RF Toolkits include a small 1.2" x 1.9" PCB plus parts to createan electronic building block. Think of these small kits as a QRP Erector Set.
• Most kits cost $8-$10.
Kitsandparts.com• Universal LowPass Filter • Universal BandPass Filter • Universal Dual BandPass Filter • HF RF Amplifier • Crystal Filter • Discrete IF Amplifier - available spring 2009 • High Gain IF Amplifier • Universal Diode Ring Mixer • Universal Gilbert Cell HF Mixer • Gilbert Cell Audio Detector • Universal VFO • Universal BFO • Discrete Audio Amplifier • LM386 Audio Amplifier • Universal Voltage Regulator • Generic Development PCB • Transmit Diode Ring Mixer • 5 Watt CW RF Amplifier • 10 Watt 40+ dB gain 1.8-30 MHz Linear RF Amp • Universal PIN Diode Switches • Memory Keyer • Universal SWR bridge • SWR/Power Display - available spring 2009 • Freq Counter Display - available spring 2009 • Very Stable Freq Standard/Ref Kit (TCO) • Universal Interconnect Kit
Softrock Lite II Receiver
• Tunes 48-192khz of selected band depending on soundcard
• Frequency centered in the CW portion of the band
• Available in choice of 160 – 15 meter bands
• $10. including postage
• $12 for 15, 20, and 30 meter version
Multiband for $45
4 Individual plug-in bandpass filter boards to cover 160 – 10 meters
Remember the plug-in coil days?
Electronically switched bandpass filter add-on
• 1.8 MHz to 30 MHz - $13
or• 3.5MHz to 30 MHz plus 6 meter - $13
What kind of kit do you want to do?
• If surface mount doesn’t scare you – Softrock II Lite as a starter
• If you want SSB and you like a little challenge – Bitx Version 3
• If you just want to solder – Bitx##kit
Softrock lite
• Probably can be built over 2-3 saturdays
• $10 - $12 dollars total expenditure
• Good starting point to try SDR
Bitx20 version 3
• Great kit for someone that wants to “experiment”
• Will need to collect parts. Most components not included
• Plenty of room for “fat fingers” while building
Bitx##a kit
• Turnkey kit available. Everything included
• 12 watts output vs 5-6 of version 3
• Professional looking case with decals
Web Sites
• kc0wox.com• Pictures and videos of many kits
• qrpkits.com• Bitx##a kits
• wb5rvz.com/sdr/• Softrock information
• Kitsandparts.com• RFtoolkits