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QRP Projects
QRP projects and kits
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- Homebrew QRP SSB Transceiver
- This page describes a homebrew QRP SSB transceiver built by WB9IPA.
- A simple SWR Meter
- This article describes a simple QRP SWR meter built using readily available parts.
- QRP equipment
- Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP
- 30m QRP Transceiver kit
- 38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly
- QRP homebrew equipment by py2ohh
- py2ohh homebrewing of receivers, transmiters and Test Equipment for ham and swl, using cheap, easy to find or surplus components
- A Portable Antenna Matching Unit
- A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
- QRP 20m Antenna Tuner Unit
- A QRP antenna tuner for 20 meters band
- 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.
- A QRP SWR meter
- A real QRPp VSWR Meter project by DJ1ZB
- Switched inductor L match tuner
- A 10 to 80 meters band qrp antenna tuner by KC8AON, based on Steve Weber, KD1JV "ALT or Altoids L Tuner"
- Rainbow Antenna Analyzer
- A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings
- 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
- 10 11 meters RF Power Amplifier
- AM/FM/CW QRP RF Power Amplifier for the HF 10 or 11 meterband (28MHz/27MHz)
- Mini ATU
- SP5DDJ mini antenna tuner for QRP operations
Alphabetical
- Homebrew QRP SSB Transceiver
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- This page describes a homebrew QRP SSB transceiver built by WB9IPA.
[Hits: 16270 | Votes: 15 | Rate: 7.94] - 10 11 meters RF Power Amplifier
- AM/FM/CW QRP RF Power Amplifier for the HF 10 or 11 meterband (28MHz/27MHz)
[Hits: 3127 | Votes: 4 | Rate: 6.00] - 14MHz SSB transceiver
- 14MHz SSB 10mW transceiver by JF1OZL
[Hits: 781 | Votes: 2 | Rate: 10.00] - 2W SSB Rig for 6 meters
- 50 MHz SSB transceiver with a 2 W output
[Hits: 858 | Votes: 0 | Rate: 0.00] - 30m QRP Transceiver kit
- 38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly
[Hits: 11205 | Votes: 14 | Rate: 5.93] - 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: 6270 | Votes: 5 | Rate: 5.00] - 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: 80 | Votes: 0 | Rate: 0.00] - 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: 1322 | Votes: 1 | Rate: 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: 10116 | Votes: 3 | Rate: 5.00] - A QRP SWR meter
- A real QRPp VSWR Meter project by DJ1ZB
[Hits: 5457 | Votes: 0 | Rate: 0.00] - A simple SWR Meter
- This article describes a simple QRP SWR meter built using readily available parts.
[Hits: 11293 | Votes: 4 | Rate: 6.25] - 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: 156 | Votes: 0 | Rate: 0.00] - Basic QRP transmitter
- A QRP transceiver project, design and build solid state QRP transmitter.
[Hits: 1062 | Votes: 2 | Rate: 2.00] - BITX 6W SSB transceiver for 14MHz
- BITX is an easily assembled transceiver for the beginner with very clean performance.
[Hits: 962 | Votes: 4 | Rate: 10.00] - Build a logging frequency counter
- Pictures, photos, source code and plans to build a logging frequency counter
[Hits: 1255 | Votes: 1 | Rate: 3.00] - 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: 3206 | Votes: 4 | Rate: 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: 1555 | Votes: 1 | Rate: 10.00] - F6BQU - Transceiver for 80m
- Home made 80 meters transceiver by SP5FCS using the F6BQU project
[Hits: 874 | Votes: 5 | Rate: 1.80] - Five by Twenty
- A 5 tubes SSB QRP transceiver for 20m ham radio band
[Hits: 441 | Votes: 2 | Rate: 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: 2677 | Votes: 2 | Rate: 7.50] - Guide to Harmonic Filters for QRP Transmitter
- A Short Guide to Harmonic Filters for QRP Transmitter Output. - George Dobbs G3RJV
[Hits: 73 | Votes: 1 | Rate: 10.00] - 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: 2465 | Votes: 0 | Rate: 0.00] - 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: 759 | Votes: 5 | Rate: 8.20] - 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: 1750 | Votes: 1 | Rate: 10.00] - M3 Electronix Semiconductor Analyzer Kit
- A workbench instrument capable of testing transistors, diodes, FETs, usefull constructing QRP circuitry.
[Hits: 392 | Votes: 0 | Rate: 0.00] - MFJ Cub QRP transceiver kit
- Building the MFJ Cub QRP transceiver kit for 20 meters band by G4ILO
[Hits: 377 | Votes: 0 | Rate: 0.00] - MicroBeacon
- The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.
[Hits: 902 | Votes: 1 | Rate: 10.00] - Mini ATU
- SP5DDJ mini antenna tuner for QRP operations
[Hits: 2755 | Votes: 0 | Rate: 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: 477 | Votes: 0 | Rate: 0.00] - N2WF paddles
- Paddles by Bill Nicolson, N2WF
[Hits: 879 | Votes: 1 | Rate: 3.00] - N5ES - Outboard T/R Switch
- N5ES Outboard T/R Switch For QRP Separates
[Hits: 59 | Votes: 0 | Rate: 0.00] - 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: 1657 | Votes: 1 | Rate: 1.00] - NB6M paddles
- Paddles by Wayne McFee, NB6M
[Hits: 823 | Votes: 0 | Rate: 0.00] - NN1G Transceiver
- 30 meters band transceiver
[Hits: 1782 | Votes: 4 | Rate: 6.25] - NUE-PSK
- NUE-PSK Digital Modem A digital modem for PSK31 field operation, without using a PC
[Hits: 781 | Votes: 1 | Rate: 10.00] - Optimist-80
- A QRPp DSB transceiver for the 80 meter band (1 Watt PEP)
[Hits: 739 | Votes: 1 | Rate: 10.00] - Pixie 3 - 80 m QRP transceiver
- A 3500kHz - 3579kHz range transceiver, output 250 mw by SP5DDJ
[Hits: 1577 | Votes: 7 | Rate: 7.57] - Pixie2
- Pixie-2 schematic and part lists
[Hits: 1617 | Votes: 1 | Rate: 1.00] - 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: 870 | Votes: 0 | Rate: 0.00] - QRP 12V Power Pack
- A perfect companion for your Elecraft K1 or any other (not power hungry...) QRP rig
[Hits: 1194 | Votes: 1 | Rate: 1.00] - QRP 1:1 Current-type Balun for Portable Use
- A ferrite-loaded coaxial RF choke which just happens to yield the same result as a 1:1 current balun
[Hits: 1580 | Votes: 1 | Rate: 5.00] - QRP 20m Antenna Tuner Unit
- A QRP antenna tuner for 20 meters band
[Hits: 8171 | Votes: 4 | Rate: 7.75] - QRP 5 Mhz transceiver
- A QRP VXO transmitter for 60 meter band by GW4ALG
[Hits: 434 | Votes: 0 | Rate: 0.00] - QRP equipment
- Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP
[Hits: 11205 | Votes: 10 | Rate: 8.79] - QRP homebrew equipment by py2ohh
- py2ohh homebrewing of receivers, transmiters and Test Equipment for ham and swl, using cheap, easy to find or surplus components
[Hits: 10144 | Votes: 7 | Rate: 6.14] - QRP NESCAF Kit
- The New England QRP NESCAF Kit Switched Capacitor Audio Filter by N5ESE
[Hits: 85 | Votes: 0 | Rate: 0.00] - QRP Paddles
- Paddles by Jim Nestor WK8G/2
[Hits: 1078 | Votes: 0 | Rate: 0.00] - QRP Power Meter and Dummy Load
- In this article the schematic is of AA5TB QRP power meter and dummy (50 Ohm) load combination
[Hits: 959 | Votes: 0 | Rate: 0.00] - QRP SWR Meter
- SWR meter for low power output measurements, dedicated to QRP operations
[Hits: 1342 | Votes: 2 | Rate: 5.00] - QRP tranceiver for 80 and 40 meters
- QRP 5W trasceivers using 6C4 and 5763 Tubes for 40 and 80 meters band
[Hits: 815 | Votes: 3 | Rate: 6.67] - QRP transceiver for 7 Mhz
- An optimized QRP transceiver for 40 meters band
[Hits: 686 | Votes: 0 | Rate: 0.00] - QRP Transceiver for less than $10
- Building a functioning transceiver for less than $10 by AL7FS
[Hits: 1350 | Votes: 0 | Rate: 0.00] - QRP Tuner Plan
- A Simple and Flexible Tuner for QRP Craig LaBarge, WB3GCK
[Hits: 575 | Votes: 0 | Rate: 0.00] - QRP Wattmeter
- G4FON homebrewed QRP Wattmeter
[Hits: 1090 | Votes: 0 | Rate: 0.00] - QRP Z-Match
- Small QRP Z-match project for max 10 W output by DL2LTO
[Hits: 715 | Votes: 1 | Rate: 10.00] - Rainbow Antenna Analyzer
- A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings
[Hits: 4375 | Votes: 2 | Rate: 4.00] - SSB 75 Meter Transceiver
- QRP transceiver for 75 meters band by WA7JHZ
[Hits: 694 | Votes: 1 | Rate: 6.00] - Switched Capacitive Audio Filter
- NEScaf: A Switched Capacitive Audio Filter
[Hits: 64 | Votes: 0 | Rate: 0.00] - Switched inductor L match tuner
- A 10 to 80 meters band qrp antenna tuner by KC8AON, based on Steve Weber, KD1JV "ALT or Altoids L Tuner"
[Hits: 4609 | Votes: 6 | Rate: 7.33] - The Rock-Mite
- A QRP RTX project by IS0VSU Franco in PDF file
[Hits: 950 | Votes: 0 | Rate: 0.00] - The smk-1 on 20m
- Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M
[Hits: 641 | Votes: 0 | Rate: 0.00] - The Super Sixty transceiver
- The 'Super-Sixty' a 5 MHz 60 meters band transmitter & receive converter
[Hits: 864 | Votes: 0 | Rate: 0.00] - Tuna Tin
- A resurrection of some homebrew projects from our vintage years and the NorCal-sponsored project series in tribute to Doug DeMaw, W1FB
[Hits: 1012 | Votes: 0 | Rate: 0.00] - Tuna Tin 2
- The Tuna Tin 2 is a simple transmitter originally designed by the legendary author and experimenter Doug DeMaw, W1FB. The TT2 was first published in the May 1976 issue of QST.
[Hits: 344 | Votes: 0 | Rate: 0.00] - Tuna Tin 2 Modifications
- Tuna Tin 2 inside view and modifications
[Hits: 254 | Votes: 0 | Rate: 0.00] - Unique PSK Transceiver
- A novel way to make a PSK rig. Unique transceiver design does not use a SSB transmitter
[Hits: 698 | Votes: 0 | Rate: 0.00] - Universal QRP Transmitter
- Here's the homebrew Universal QRP transmitter adapted from work by Wes Hayward - W7ZOI. The circuit originally appeared in QRP Classics published in 1980 by the ARRL
[Hits: 1991 | Votes: 1 | Rate: 1.00] - Very simple wattmet
- A very simple QRP wattmeter project by SP5DDJ based on schematic of SWR meter developed and published by JA6HIC
[Hits: 2142 | Votes: 0 | Rate: 0.00] - W1HUE Amateur Radio Articles
- This site provides online access to Amateur Radio equipment modification articles by Larry East, W1HUE
[Hits: 613 | Votes: 0 | Rate: 0.00] - W4ATC QRP Project
- Beginners making inexpensive, low-power shortwave transceivers from kits.
[Hits: 2330 | Votes: 0 | Rate: 0.00]
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