QRP Projects

QRP projects and kits

Subcategories:

  • QRP CW Transceiver (63) new
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    • Homebrew QRP SSB Transceiver
      This page describes a homebrew QRP SSB transceiver built by WB9IPA.
    • A Portable Antenna Matching Unit
      A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
    • 30m QRP Transceiver kit
      38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly
    • QRP equipment
      Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP
    • 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
    • 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.
    • 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"
    • 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
    • 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.
    • 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
    • Very simple wattmet
      A very simple QRP wattmeter project by SP5DDJ based on schematic of SWR meter developed and published by JA6HIC
    • Pixie 3 - 80 m QRP transceiver
      A 3500kHz - 3579kHz range transceiver, output 250 mw by SP5DDJ
    • 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
    • W4ATC QRP Project
      Beginners making inexpensive, low-power shortwave transceivers from kits.
    • 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
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