cheap

cheap

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• A cheap dual band ground plane antenna - This little antenna is cheap and easy to build, lightweight, and very functional on 2 meters and 70 centimeters by NA4IT
  [ Hits: 3471 | Votes: 3 | Rating: 6 ]
• 100 grams VHF yagi - A portable VHF home-made Yagi-Uda antenna, that is extremely easy to build and very cheap. Moreover this antenna, while dismounted is just 1 meter long, and the total weight is just 100 grams.
  [ Hits: 2524 | Votes: 9 | Rating: 6 ]

• Halo stack for 70 cm on the cheap - An halo stack antenna for 70 cm by KR1ST
  [ Hits: 3115 | Votes: 4 | Rating: 6 ]

• Dual Quad Antenna - Cheap but effective multiband quad antenna covering the entire horizon on 10-12-15-17-20m bands.
  [ Hits: 530 | Votes: 2 | Rating: 2.5 ]

• H Doublebay Antennas - Cheap and EZ to build Bi-Directional VHF & HF antennas with gain
  [ Hits: 2200 | Votes: 6 | Rating: 3.67 ]
• Rabbit-Ears Dipole Antenna - This handy and cheap portable dipole can be folded and backpacked, carried in use, and adjusted to a very wide range of frequencies.
  [ Hits: 676 | Votes: 0 | Rating: 0 ]

• Cookie Cantenna Wi-Fi - Make a cheap, portable, high performance (15-18 db) directional antenna out of commonly available parts that can be purchased in most grocery and hardware stores.
  [ Hits: 6568 | Votes: 5 | Rating: 7.6 ]

• HF power amplifier using GI7B - Gi7b is tube designed for microwaves but working good as HF amplifier. Idea is to build cheap, reliable HF amplifier covering 160 meters band.
  [ Hits: 4065 | Votes: 12 | Rating: 4.92 ]

• Cheap Antenna Analyzer with Arduino - Build your own home made Antenna Analyzer with an arduino micro, or a cheeper one with a pic processor
  [ Hits: 2773 | Votes: 6 | Rating: 7 ]

• A Cheap & Easy 2.4GHz Feed - The KI7CX 2.4 GHz Cheap & Easy antenna/feed
  [ Hits: 442 | Votes: 1 | Rating: 5 ]

• The Milli Beacon  ^updated - This page describes an cheap RF signal source, a portable micro beacon, using a low cost temperature controlled crystal oscillator
  [ Hits: 1119 | Votes: 1 | Rating: 1 ]

• Connectors - There are scores of RF connector types, ranging from the \"cheap and cheerful\" to the extremely expensive types intended for use in professional and military applications.
  [ Hits: 484 | Votes: 0 | Rating: 0 ]
• RF Coaxial Switch - An interesting rf coaxial switch project capable of handling 800-1500 W. This is a cheap home made RF coaxial switch in use by PA0FRI
  [ Hits: 423 | Votes: 2 | Rating: 4.5 ]

• A Two Meter Duplexer - How to get a cheap-squeaky clean signal, a 2 meter duplexer designed by Leonard WB3AYW
  [ Hits: 3779 | Votes: 9 | Rating: 4.88 ]

• PCB with kitchen appliances - Cheap and relatively easy way of making professional quality printed circuit boards at home
  [ Hits: 374 | Votes: 2 | Rating: 5.5 ]

• Simple frequency counter - This is an incredibly simple and cheap frequency counter with binary readout, based on the ideas of Onno PA2OHH.
  [ Hits: 1537 | Votes: 1 | Rating: 2 ]

• ZL2PD CMOS Keyer - Two cheap CMOS ICs and a few transistors was all that was required to rebuild an elderly TTL automatic morse keyer into a low current lightweight battery powered iambic morse keyer.
  [ Hits: 662 | Votes: 1 | Rating: 6 ]

• Simple Cheap MMIC Preamps - Who needs a GaAsFET? Tuning, constructions and Packaging by Paul Wade
  [ Hits: 686 | Votes: 0 | Rating: 0 ]

• Sub-Tone Generator for repeater triggering - If you need a cheap and easy to construct Subtone Generator for EU-model VHF-UHF rig, here is a solution that works very well.
  [ Hits: 1041 | Votes: 4 | Rating: 8 ]

• Build a Test Meter - This article include a circuit that allows a cheap 0-1mA meter to be used as a micro-ammeter or a milli-voltmeter
  [ Hits: 257 | Votes: 0 | Rating: 0 ]

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