- 10 11 meters RF Power Amplifier
AM/FM/CW QRP RF Power Amplifier for the HF 10 or 11 meterband (28MHz/27MHz)
[ Hits: 5152 | Votes: 6 | Rating: 5.67 ]
- 136 kHz QRP Transmitter
- GW4ALG
The Marathon is a low power transmitter for 136 kHz
[ Hits: 187 | Votes: 1 | Rating: 6 ]
- 14MHz SSB transceiver
14MHz SSB 10mW transceiver by JF1OZL
[ Hits: 1646 | Votes: 2 | Rating: 10 ]
- 17m QRP SSB Transceiver
- EA3ERT
18MHz QRP SSB transceiver PEREGRINO DX is a small portable QRPp project
[ Hits: 238 | Votes: 1 | Rating: 1 ]
- 30m QRP Transceiver kit
38 Special 30m QRP transceiver by Norcal QRP club single super het receiver full QSK ...
[ Hits: 14992 | Votes: 16 | Rating: 5.31 ]
- 5 Watt 40 Meters transmitter
This circuit is unique in that it uses a power mosfet as a final rather ...
[ Hits: 8446 | Votes: 7 | Rating: 5.29 ]
- 80m SSB CW QRP superhet transceiver
The 80m SSB CW transceiver design is based on an already proven concept used in ...
[ Hits: 1503 | 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 ...
[ Hits: 2298 | Votes: 1 | Rating: 1 ]
- A Micro QRP Transceiver Project
- DK7IH
A family of small size QRP SSB transceivers for the 15 MHz Includes a cigarette ...
[ Hits: 805 | Votes: 4 | Rating: 5.5 ]
- A Portable Antenna Matching Unit
A small HF antenna tuner project for qrp operations Includes circuit diagrams pictures and test ...
[ Hits: 15348 | Votes: 7 | Rating: 5.14 ]
- BITX 6W SSB transceiver for 14MHz
BITX is an easily assembled transceiver for the beginner with very clean performance.
[ Hits: 1839 | Votes: 5 | Rating: 9.8 ]
- Build a logging frequency counter
Pictures, photos, source code and plans to build a logging frequency counter
[ Hits: 2115 | Votes: 2 | Rating: 2.5 ]
- Cigarette Pack for 20 meters Revised
- DK7IH
Revision of the Cigarette Pack 14MHz SSB QRP Micro-Transceiver
[ Hits: 138 | Votes: 1 | Rating: 10 ]
- Digital QRP SWR & Power meter
A KD1JV Melt solder kit a swr and power meter operating from 160 to 6 ...
[ Hits: 6234 | Votes: 6 | Rating: 3 ]
- External Keypad for FT-817
- Paolo Cravero
An external keypad for FT 817 ND for the serious portable field day contester operator ...
[ Hits: 2598 | Votes: 2 | Rating: 5.5 ]
- F6BQU - Transceiver for 80m
Home made 80 meters transceiver by SP5FCS using the F6BQU project
[ Hits: 2251 | Votes: 7 | Rating: 2.14 ]
- Five by Twenty
A 5 tubes SSB QRP transceiver for 20m ham radio band
[ Hits: 824 | Votes: 2 | Rating: 4 ]
- Gimme Five - QRP SSB Transceiver
- DK7IH
Gimme Five reloaded a compact 5 band QRP SSB transceiver in SMD technology This unit ...
[ Hits: 285 | Votes: 1 | Rating: 10 ]
- Guide to Harmonic Filters for QRP Transmitter
A Short Guide to Harmonic Filters for QRP Transmitter Output George Dobbs G3RJV ...
[ Hits: 541 | Votes: 2 | Rating: 9.5 ]
- Handheld SSB transceiver for 20m
- DK7IH
A mid-power portable/handheld SSB transceiver for 14MHz
[ Hits: 140 | Votes: 0 | Rating: 0 ]
- HF1 QRP Transceiver Project
- VK3YY
This project is based around the recent HF1 QRP transceiver by Ashhar Farhan VU2ESE The ...
[ Hits: 676 | Votes: 0 | Rating: 0 ]
- Homebrew C-L-C QRP Antenna Tuner
This is a C L C type tuner with a reflected power indicator Tuning is ...
[ Hits: 5296 | Votes: 2 | Rating: 4.5 ]
- Homebrew QRP SSB Transceiver
- Paul Alexander WB9IPA
This page describes a homebrew QRP SSB transceiver built by WB9IPA.
[ Hits: 19797 | Votes: 16 | Rating: 7.94 ]
- JBOT QRP linear amplifier
- VU2ESE
JBOT stands for Just a Bunch of Transistors It is a simple stable and easy ...
[ Hits: 84 | Votes: 0 | Rating: 0 ]
- KD1JV MMR-40 dead bug style
A 40 meter rig with SSB and CW operating modes This is a low power ...
[ Hits: 1379 | Votes: 5 | Rating: 8.2 ]
- Knobless Wonder 7 MHz SSB transceiver
A simple fixed frequency SSB voice transceiver for the 7 MHz amateur band
[ Hits: 1059 | Votes: 4 | Rating: 6.25 ]
- Low-Power Transceiver Kits You Can Build
A Comprehensive roundup of the most popular QRP transceiver kits on the market in recent ...
[ Hits: 2421 | Votes: 1 | Rating: 10 ]
- M3 Electronix Semiconductor Analyzer Kit
A workbench instrument capable of testing transistors, diodes, FETs, usefull constructing QRP circuitry.
[ Hits: 857 | Votes: 2 | Rating: 6 ]
- mcHF QRP transceiver
- M0NKA
Small and inexpensive homebrew HF radio 5W Output CW SSB AM FM DSP Speech Processor ...
[ Hits: 1491 | Votes: 6 | Rating: 5 ]
- MFJ Cub QRP transceiver kit
Building the MFJ Cub QRP transceiver kit for 20 meters band by G4ILO
[ Hits: 836 | Votes: 0 | Rating: 0 ]
- Micro24 Cigarette Pack SSB QRP Transceiver for 20m
- DK7IH
The Micro24 is a ultra compact microsize QRP SSB transceiver for the 20 meters amateur ...
[ Hits: 1162 | Votes: 7 | Rating: 7.71 ]
- MicroBeacon
The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.
[ Hits: 1271 | Votes: 1 | Rating: 10 ]
- Mini ATU
SP5DDJ mini antenna tuner for QRP operations
[ Hits: 4261 | Votes: 0 | Rating: 0 ]
- Multi-Four a VXO QRP Transmitter for HF bands
This transmitter has been designed for use on 20 30 40 and 80 m with ...
[ Hits: 1052 | Votes: 0 | Rating: 0 ]
- N2WF paddles
Paddles by Bill Nicolson, N2WF
[ Hits: 1220 | Votes: 1 | Rating: 3 ]
- N5ES - Outboard T/R Switch
N5ES Outboard T/R Switch For QRP Separates
[ Hits: 496 | Votes: 1 | Rating: 5 ]
- N7KSB Milliwatt transmitter
- N7KSB
N7KSB used this 1 2 watt CW transmitter with a roof mounted ground plane antenna ...
[ Hits: 3013 | Votes: 4 | Rating: 6 ]
- NN1G Transceiver
30 meters band transceiver
[ Hits: 2540 | Votes: 4 | Rating: 6.25 ]
- NUE-PSK
NUE PSK Digital Modem A digital modem for PSK31 field operation without using a PC ...
[ Hits: 1406 | Votes: 2 | Rating: 10 ]
- Pixie 3 - 80 m QRP transceiver
A 3500kHz - 3579kHz range transceiver, output 250 mw by SP5DDJ
[ Hits: 4051 | Votes: 11 | Rating: 6 ]
- Pixie2
Pixie-2 schematic and part lists
[ Hits: 2044 | Votes: 1 | Rating: 1 ]
- Pocket-sized SSB CW RTX for HF Bands
- VK3HN
Summit Prowler 6 is a pocket sized SSB CW transceiver for 80 40 30 and ...
[ Hits: 382 | Votes: 1 | Rating: 9 ]
- Portable PSK
Integrated PSK station for 80 20 meters without using a PC Pictures and diagrams by ...
[ Hits: 579 | Votes: 0 | Rating: 0 ]
- Portable PSK Station
Color photos schematic and diagrams for an article written by N2APB for Fall 2000 QRPp ...
[ Hits: 1168 | Votes: 0 | Rating: 0 ]
- Portable SSB transceiver for 14MHz
- DK7IH
20W portable handheld SSB transceiver for 20 meters band
[ Hits: 177 | Votes: 1 | Rating: 7 ]
- QRP 12V Power Pack
A perfect companion for your Elecraft K1 or any other not power hungry QRP rig ...
[ Hits: 1601 | Votes: 1 | Rating: 1 ]
- QRP 20m Antenna Tuner Unit
A QRP antenna tuner for 20 meters band
[ Hits: 10841 | Votes: 6 | Rating: 5.83 ]
- QRP 5 Mhz transceiver
A QRP VXO transmitter for 60 meter band by GW4ALG
[ Hits: 930 | Votes: 0 | Rating: 0 ]
- QRP equipment
- Alex
Simple QRP rigs Transceivers with single side band direct conversion receivers Receivers Frequency counters for ...
[ Hits: 12816 | Votes: 10 | Rating: 8.79 ]
- QRP homebrew equipment by py2ohh
- Miguel Angelo Bartie PY2OHH
py2ohh homebrewing of receivers transmiters and Test Equipment for ham and swl using cheap easy ...
[ Hits: 12097 | Votes: 11 | Rating: 7.55 ]
- QRP NESCAF Kit
The New England QRP NESCAF Kit Switched Capacitor Audio Filter by N5ESE
[ Hits: 473 | Votes: 0 | Rating: 0 ]
- QRP Paddles
Paddles by Jim Nestor WK8G/2
[ Hits: 1365 | Votes: 1 | Rating: 5 ]
- QRP Portable Rig for 80-40 meters
- VK3YY
A home made portable QRP transceiver designed to work on 40 or 80 meters SSB ...
[ Hits: 196 | Votes: 0 | Rating: 0 ]
- QRP Power Meter and Dummy Load
- AA5TB
In this article the schematic is of AA5TB QRP power meter and dummy 50 Ohm ...
[ Hits: 2143 | Votes: 1 | Rating: 9 ]
- QRP SWR Meter
SWR meter for low power output measurements, dedicated to QRP operations
[ Hits: 2118 | Votes: 2 | Rating: 5 ]
- QRP transceiver for 7 Mhz
An optimized QRP transceiver for 40 meters band
[ Hits: 1219 | Votes: 2 | Rating: 5.5 ]
- QRP Transceiver for less than $10
Building a functioning transceiver for less than $10 by AL7FS
[ Hits: 1746 | Votes: 0 | Rating: 0 ]
- QRP Tuner Plan
A Simple and Flexible Tuner for QRP Craig LaBarge, WB3GCK
[ Hits: 999 | Votes: 0 | Rating: 0 ]
- QRP Z-Match
Small QRP Z-match project for max 10 W output by DL2LTO
[ Hits: 1150 | Votes: 2 | Rating: 9.5 ]
- Small Wonder Labs SW+40
- K4ICY
Assembling the Small Wonder Labs SW+40 QRP Transceiver Kit documented by K4ICY
[ Hits: 376 | Votes: 3 | Rating: 9 ]
- SSB 75 Meter Transceiver
QRP transceiver for 75 meters band by WA7JHZ
[ Hits: 1297 | Votes: 3 | Rating: 2.67 ]
- SSB-Transceiver for 14 MHz
- DK7IH
A lean design SSB Transceiver for 14 MHz Simple SSB Transceiver for 14MHz VFO controlled ...
[ Hits: 207 | Votes: 2 | Rating: 6.5 ]
- Switched Capacitive Audio Filter
NEScaf: A Switched Capacitive Audio Filter
[ Hits: 404 | Votes: 0 | Rating: 0 ]
- Switched inductor L match tuner
A 10 to 80 meters band qrp antenna tuner by KC8AON based on Steve Weber ...
[ Hits: 6471 | Votes: 9 | Rating: 7 ]
- The Micro20 III Pocket Size SSB RTX for 20m
- DK7IH
DK7IH QRP transceiver for 14 MHz This small and compact home made transceiver with a ...
[ Hits: 252 | Votes: 3 | Rating: 10 ]
- The Minima QRP HF RTX
The Minima is a simple and easy to operate transceiver for all the HF bands ...
[ Hits: 1253 | Votes: 3 | Rating: 6.67 ]
- The Rock-Mite
A QRP RTX project by IS0VSU Franco in PDF file
[ Hits: 1565 | Votes: 0 | Rating: 0 ]
- The smk-1 on 20m
Taking the venerable SMK 1 design to 20m and adding an RF amp audio filter ...
[ Hits: 919 | Votes: 0 | Rating: 0 ]
- The Super Sixty transceiver
The 'Super-Sixty' a 5 MHz 60 meters band transmitter & receive converter
[ Hits: 1316 | Votes: 0 | Rating: 0 ]
- The VK3YE Micro 40 DSB Transceiver
- AA7EE
A hombrew QRP transceiver for 40 meter band with many pictures circuit and sound recording ...
[ Hits: 979 | Votes: 1 | Rating: 10 ]
- The VK3YE Micro 40 DSB Transceiver
AA7EE QRP DSB transceiver homebrew project
[ Hits: 1664 | Votes: 2 | Rating: 5 ]
- Tuna Tin
A resurrection of some homebrew projects from our vintage years and the NorCal sponsored project ...
[ Hits: 1275 | Votes: 0 | Rating: 0 ]
- Tuna Tin 2
The Tuna Tin 2 is a simple transmitter originally designed by the legendary author and ...
[ Hits: 800 | Votes: 0 | Rating: 0 ]
- Tuna Tin 2 Modifications
Tuna Tin 2 inside view and modifications
[ Hits: 428 | Votes: 0 | Rating: 0 ]
- TxTopper QRP Amplifier
- w5usj
TX Topper 5 Watt plus Amplifier with Adjustable Gate Bias
[ Hits: 67 | Votes: 0 | Rating: 0 ]
- Very simple wattmet
A very simple QRP wattmeter project by SP5DDJ based on schematic of SWR meter developed ...
[ Hits: 4027 | Votes: 0 | Rating: 0 ]
- W4ATC QRP Project
Beginners making inexpensive, low-power shortwave transceivers from kits.
[ Hits: 2799 | Votes: 0 | Rating: 0 ]