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QRP Projects

QRP projects and kits

(Featuring 75 resources)
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        Result Page:  1 2 [>>]
    • 10 11 meters RF Power Amplifier - AM/FM/CW QRP RF Power Amplifier for the HF 10 or 11 meterband (28MHz/27MHz)
      [ Hits: 4125 | Votes: 5 | Rating: 5.00 ]
    • 14MHz SSB transceiver - 14MHz SSB 10mW transceiver by JF1OZL
      [ Hits: 1262 | Votes: 2 | Rating: 10.00 ]
    • 2W SSB Rig for 6 meters - 50 MHz SSB transceiver with a 2 W output
      [ Hits: 1126 | Votes: 2 | Rating: 1.50 ]
    • 30m QRP Transceiver kit - 38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly
      [ Hits: 13448 | Votes: 15 | Rating: 5.60 ]
    • 5 Watt 40 Meters transmitter - This circuit is unique in that it uses a power mosfet as a final rather than a conventional bipolar transistor.
      [ Hits: 7416 | Votes: 6 | Rating: 4.50 ]
    • 80m SSB CW QRP superhet transceiver - The 80m SSB & CW transceiver design is based on an already proven concept used in ATLAS amateur transistorised transceivers from 70\'s
      [ Hits: 868 | Votes: 3 | Rating: 1.67 ]
    • A 40 meter SSB QRP transceiver - This transceiver was conceived as a power-efficient, small, lighweight unit to be carried in the backpack, along with antenna and battery.
      [ Hits: 1834 | Votes: 1 | Rating: 1.00 ]
    • A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
      [ Hits: 12769 | Votes: 4 | Rating: 5.50 ]
    • A QRP SWR meter - A real QRPp VSWR Meter project by DJ1ZB
      [ Hits: 7208 | Votes: 0 | Rating: 0.00 ]
    • A simple SWR Meter - This article describes a simple QRP SWR meter built using readily available parts.
      [ Hits: 14357 | Votes: 6 | Rating: 4.83 ]
    • An Accurate Power Meter For QRP Ops - A circuit using two junkbox transistors and a garden variety op-amp that will let you accurately measure your rig\'s flea power down to milliwatts.
      [ Hits: 596 | Votes: 0 | Rating: 0.00 ]
    • Basic QRP transmitter - A QRP transceiver project, design and build solid state QRP transmitter.
      [ Hits: 1417 | Votes: 2 | Rating: 2.00 ]
    • BITX 6W SSB transceiver for 14MHz - BITX is an easily assembled transceiver for the beginner with very clean performance.
      [ Hits: 1355 | Votes: 5 | Rating: 9.80 ]
    • Build a logging frequency counter - Pictures, photos, source code and plans to build a logging frequency counter
      [ Hits: 1724 | Votes: 2 | Rating: 2.50 ]
    • Digital QRP SWR & Power meter - A KD1JV Melt solder kit, a swr and power meter operating from 160 to 6 meters ideal for portable and field use
      [ Hits: 4350 | Votes: 4 | Rating: 1.75 ]
    • External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio
      [ Hits: 2026 | Votes: 2 | Rating: 5.50 ]
    • F6BQU - Transceiver for 80m - Home made 80 meters transceiver by SP5FCS using the F6BQU project
      [ Hits: 1737 | Votes: 7 | Rating: 2.14 ]
    • Five by Twenty - A 5 tubes SSB QRP transceiver for 20m ham radio band
      [ Hits: 595 | Votes: 2 | Rating: 4.00 ]
    • G3YUH Morse Key Project - These pages cover the step by step construction of a Handmade Morse code telegraph key in pictures and text
      [ Hits: 3356 | Votes: 3 | Rating: 8.00 ]
    • Guide to Harmonic Filters for QRP Transmitter - A Short Guide to Harmonic Filters for QRP Transmitter Output. - George Dobbs G3RJV
      [ Hits: 271 | Votes: 2 | Rating: 9.50 ]
    • Homebrew C-L-C QRP Antenna Tuner - This is a C-L-C type tuner with a reflected power indicator. Tuning is done for minimum reflected power.
      [ Hits: 3673 | Votes: 1 | Rating: 1.00 ]
    • Homebrew QRP SSB Transceiver - This page describes a homebrew QRP SSB transceiver built by WB9IPA.
      [ Hits: 17983 | Votes: 16 | Rating: 7.94 ]
    • KD1JV MMR-40 dead bug style - A 40 meter rig with SSB and CW operating modes. This is a low power QRP rig with up to 6 watts CW or PEP output.
      [ Hits: 989 | Votes: 5 | Rating: 8.20 ]
    • Knobless Wonder 7 MHz SSB transceiver - A simple fixed frequency SSB voice transceiver for the 7 MHz amateur band
      [ Hits: 249 | Votes: 0 | Rating: 0.00 ]
    • Low-Power Transceiver Kits You Can Build - A Comprehensive roundup of the most popular QRP transceiver kits on the market in recent years in PDF format
      [ Hits: 1969 | Votes: 1 | Rating: 10.00 ]
    • M3 Electronix Semiconductor Analyzer Kit - A workbench instrument capable of testing transistors, diodes, FETs, usefull constructing QRP circuitry.
      [ Hits: 590 | Votes: 2 | Rating: 6.00 ]
    • MFJ Cub QRP transceiver kit - Building the MFJ Cub QRP transceiver kit for 20 meters band by G4ILO
      [ Hits: 642 | Votes: 0 | Rating: 0.00 ]
    • MicroBeacon - The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.
      [ Hits: 1037 | Votes: 1 | Rating: 10.00 ]
    • Mini ATU - SP5DDJ mini antenna tuner for QRP operations
      [ Hits: 3584 | Votes: 0 | Rating: 0.00 ]
    • Multi-Four a VXO QRP Transmitter for HF bands - This transmitter has been designed for use on 20 30 40 and 80 m with 5W output
      [ Hits: 736 | Votes: 0 | Rating: 0.00 ]
    • N2WF paddles - Paddles by Bill Nicolson, N2WF
      [ Hits: 984 | Votes: 1 | Rating: 3.00 ]
    • N5ES - Outboard T/R Switch - N5ES Outboard T/R Switch For QRP Separates
      [ Hits: 217 | Votes: 1 | Rating: 5.00 ]
    • N7KSB Milliwatt transmitter - N7KSB used this 1/2 watt CW transmitter, with a roof-mounted ground-plane antenna to work all continents and over 30 countries.
      [ Hits: 2142 | Votes: 1 | Rating: 1.00 ]
    • NB6M paddles - Paddles by Wayne McFee, NB6M
      [ Hits: 937 | Votes: 0 | Rating: 0.00 ]
    • NN1G Transceiver - 30 meters band transceiver
      [ Hits: 2129 | Votes: 4 | Rating: 6.25 ]
    • NUE-PSK - NUE-PSK Digital Modem A digital modem for PSK31 field operation, without using a PC
      [ Hits: 1088 | Votes: 1 | Rating: 10.00 ]
    • Optimist-80 - A QRPp DSB transceiver for the 80 meter band (1 Watt PEP)
      [ Hits: 911 | Votes: 3 | Rating: 7.00 ]
    • Pixie 3 - 80 m QRP transceiver - A 3500kHz - 3579kHz range transceiver, output 250 mw by SP5DDJ
      [ Hits: 2518 | Votes: 9 | Rating: 6.11 ]
    • Pixie2 - Pixie-2 schematic and part lists
      [ Hits: 1835 | Votes: 1 | Rating: 1.00 ]
    • Portable PSK - Integrated PSK station for 80 & 20 meters without using a PC Pictures and diagrams by N2APB
      [ Hits: 215 | Votes: 0 | Rating: 0.00 ]
    • Portable PSK Station - Color photos, schematic and diagrams for an article written by N2APB for Fall 2000 QRPp. Also the subject of a presentation made at the Pacificon QRP Forum in October 2000.An Integrated and Portable PSK Station for 80 & 20 without using a PC!
      [ Hits: 991 | Votes: 0 | Rating: 0.00 ]
    • QRP 12V Power Pack - A perfect companion for your Elecraft K1 or any other (not power hungry...) QRP rig
      [ Hits: 1338 | Votes: 1 | Rating: 1.00 ]
    • QRP 1:1 Current-type Balun for Portable Use  updated - A ferrite-loaded coaxial RF choke which just happens to yield the same result as a 1:1 current balun
      [ Hits: 2431 | Votes: 2 | Rating: 3.00 ]
    • QRP 20m Antenna Tuner Unit - A QRP antenna tuner for 20 meters band
      [ Hits: 9659 | Votes: 4 | Rating: 7.75 ]
    • QRP 20m ATU - A handy little QRP Antenna Tuner designed specifically for 20m, although it works fine up to 10m.
      [ Hits: 374 | Votes: 1 | Rating: 8.00 ]
      Result Page:  1 2 [>>]
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