qrp kits

Half Wave Portable Antenna - Steve Yates article on a portable half wave antenna for field day operations

QRP Antenna Tuner for 20 m - A small antenna tuner for 14 MHz

VU2UKR HAM Radio Station - HAM Radio India Yagi Beam CW QRP SSB QUAD DX circuits sound card Transceiver Morse HF VHF Antenna Satellites Amateur Club Station Operators Licence Exam ASOC Guide Digital Mode Equipment Transmitter Experiments Project schematics Beacon dx HAMSAT VUSAT Satellite Emergency communication Information Homebrew QRP Kits

SE Engineering - Manufactures FM antennas, mast ground kits, 75 ohm isolation transformer, for the broadcast industry.

Genesis Radio - SDR Kits - SDR Software defined radio kits, genesis SDR kits

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

JefaTech - Coax Cables and RF connectors, mobile antennas, cantenna supplies and kits, wifi antennas and adapters, antenna mounts, surge protectors

Kits and Parts dot Com - Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists. Capacitos, filters, inductors, qrp products

MiniDSP - MiniDSP is a platform for digital audio signal processing applications. Manufacture low cost digital signal processor kits for the DIY/OEM market. Our flexible audio platforms are software controlled and easily upgradeable.

KitStop - Kits for AM FM radio, UHF control, big LED displays, games, controls, timers, chasers and flashers

10 11 meters RF Power Amplifier - AM/FM/CW QRP RF Power Amplifier for the HF 10 or 11 meterband (28MHz/27MHz)

QRP Power Meter and Dummy Load - In this article the schematic is of AA5TB QRP power meter and dummy (50 Ohm) load combination

Using Band-Pass Filters - Clean Up Your Signals with Band-Pass Filters

Receiver Band-Pass Filters - Third-order Cauer filters can boost performance of multi-transmitter, multi-operator contest stations to the next level. The filters are practical and you don’t need expensive test equipment to align them.

A Simple CW Keying Interface - Functional, easy, and cheap, all good Ham Radio characteristics by Terry Fletcher, WA0ITP

QRP ARCI - WK4DS CW Paddles - Home-made CW paddle by WK4DS

QRP transceiver for 7 Mhz - An optimized QRP transceiver for 40 meters band

QRP AM CW transmitter - A simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator

QRP transmitter with VXO - This is a nice 1 W QRP transmitter that can be used in combination of one of the simple receivers.

30m CW-Transceiver - GM47: Simple 30m Band QRP CW-Transceiver

40 Meter QRP Transmitter - A simple 40 meter CW transmitter, it sports full break-in operation and 250 mW of output power.

40 meter QRP CW transceiver - Home made QRP CW transceiver for 7 MHz by JF10ZL

QRP Transceiver for 3.5 Mhz - A QRP transceiver for 80 meters band by W1FB

40 m Band Direct Conversion Receiver - Practical and usable direct conversion receiver for the 40 m CW band

Austin's Regen Receiver - QRP ARCI regenerative reveiver project