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Kit Building on the “Cheap” The beginning Kit building “for the cheap” The beginning.

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Presentation on theme: "Kit Building on the “Cheap” The beginning Kit building “for the cheap” The beginning."— Presentation transcript:

1 Kit Building on the “Cheap” The beginning Kit building “for the cheap” The beginning

2 Far Circuits Bitx20 Board set $25 EB7HPM’s board layout found on the internet

3 The board layout reworked

4 After much rework

5 First Contact - W4WEL in North Carolina 1500 miles using 4 watts and a low dipole

6 2 nd Kit – QRP Kits Bitx20a

7 Not bad for $165.00

8 Also available in 17 meter band

9 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

10 Exciter board

11 Linear and power supply

12 Fully functional 20 meter ssb rig

13 KitsAndParts.Com RF Toolkits are Electronic Building Blocks. Most RF Toolkits include a small 1.2" x 1.9" PCB plus parts to create an electronic building block. Think of these small kits as a QRP Erector Set. Most kits cost $8-$10.

14 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

15 Kits and parts 40 meter CW Receiver

16 The Future - Software Defined Radio Softrock Lite II $10.00 (includes postage)

17 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

18 Softrock "Xtall+Lite" V9.0 Software Defined Radio

19 Multiband for $45 4 Individual plug-in bandpass filter boards to cover 160 – 10 meters Remember the plug-in coil days?

20 Electronically switched bandpass filter add-on 1.8 MHz to 30 MHz - $13 or 3.5MHz to 30 MHz plus 6 meter - $13

21 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

22 Softrock lite Probably can be built over 2-3 saturdays $10 - $12 dollars total expenditure Good starting point to try SDR

23 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

24 Bitx##a kit Turnkey kit available. Everything included 12 watts output vs 5-6 of version 3 Professional looking case with decals

25 Web Sites kc0wox.com Pictures and videos of many kits qrpkits.com Bitx##a kits wb5rvz.com/sdr/ Softrock information Kitsandparts.com RFtoolkits

26 Kit Forums Yahoo Bitx http://groups.yahoo.com/group/BITX20/ http://groups.yahoo.com/group/BITX20/ Yahoo Softrock http://groups.yahoo.com/group/softrock40/ ?yguid=294830569 Kits and Parts http://kitsandparts.com/fluxbb/


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