qrp receiver
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Ham Radio : Clubs : Technical Specialty : QRP Clubs- NOGA QRP club
- Small, but growing, group of amateur radio enthusiasts, most of whom are within 90 miles of Atlanta, are interested in promoting the development of the branch of amateur radio known as QRP - building and operating low power transmitters, receivers and transceivers.
[ Hits: 1625 | Votes: 5 | Rating: 8.2 ]
- Breadboard Radio
- Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator
[ Hits: 1313 | Votes: 1 | Rating: 10 ]
- CRkits - manufacturer of ham radio QRP Kits
- Since 2011, crkits offer radio kits that you cannot find on eBay or AliExpress. Includes HT-1A 20/40m Dual Band CW Transceiver Kit, D4D DSB Transceiver Kit for Digital Mode, R3500D ARDF Receiver, CW Transceiver Kit
[ Hits: 310 | Votes: 2 | Rating: 10 ]
- HF SIGNALS
- Makers of QRP HF General Coverage Transceivers you can build. The Home of BITX transceivers, uBITX General Coverage Receiver-Transmitter.
A general coverage, 10 watts HF SSB/CW transceiver kit with features you NEED for operating ease, convenience and versatility. It works from 3 MHz to 30 MHz, with up to 10 watts on SSB and CW, with a very sensitive receiver.
[ Hits: 483 | Votes: 6 | Rating: 9.5 ]
- 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: 12096 | Votes: 11 | Rating: 7.55 ]
- A low power 3.5MHz ARDF transmitter
- This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.
[ Hits: 2043 | Votes: 4 | Rating: 6.5 ]
- Chinese uSDX Review
- A review of the Chinese version of uSDX USDR HF QRP Transceiver. Author made an extensive review of receiver and transmitter features.
[ Hits: 279 | Votes: 1 | Rating: 10 ]
- Arduino QRP Transceiver: DIY Success on HF Bands
- This article introduces an Arduino-based QRP CW Transceiver designed for lower HF bands. The journey begins with the Wotduino, evolving from a keyer to a multi-mode beacon. The development includes a QRP transmitter and culminates in a receiver inspired by Roy Lewallen design. The transceiver, controlled through a control bus features a signal path, modulation, filtering, and adjustable frequency settings. Despite initial testing intentions, successful QSOs on 80 and 40 meters showcase its functional capabilities.
[ Hits: 107 | Votes: 1 | Rating: 1 ]
- Mizuho products
- Mizuho Tsushin Co. was a small Japanese manufacturer of QRP radios and kits, shortwave receiver accessories, and AM broadcast band receiver kits and antennas
[ Hits: 3239 | Votes: 1 | Rating: 10 ]
- 30m QRP Transceiver kit
- 38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly
[ Hits: 14991 | Votes: 16 | Rating: 5.31 ]
- QRP equipment
- Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP
[ Hits: 12815 | Votes: 10 | Rating: 8.79 ]
- The Minima QRP HF RTX
- The Minima is a simple and easy to operate transceiver for all the HF bands with a crisp receiver, a clean output and component cost of less than $100
[ Hits: 1252 | Votes: 3 | Rating: 6.67 ]
- Gimme Five - QRP SSB Transceiver
- Gimme Five reloaded, a compact 5 band QRP SSB transceiver in SMD technology. This unit covers 5 bands within the amateur radio spectrum (3.5, 7, 14, 21 and 28 MHz). Receiver is a single conversion unit with an interfrequency of 9 MHz. Transmitter uses 5 stages and has got a power level of 10 watts PEP output.
[ Hits: 285 | Votes: 1 | Rating: 10 ]
- QRP transmitter with VXO
- This is a nice 1 W QRP transmitter that can be used in combination of one of the simple receivers.
[ Hits: 1486 | Votes: 1 | Rating: 1 ]
- QRP 20m Transmitter
- The 1 watt 20 meter QRP transmitter with VXO. This is a nice QRP transmitter that can be used in combination of one of the simple receivers.
[ Hits: 151 | Votes: 0 | Rating: 0 ]
- NB6M 10 Homebrew Receiver and Keying
- Schematic of a homebrew receiver and keying
[ Hits: 888 | Votes: 0 | Rating: 0 ]
- 40 m Band Direct Conversion Receiver
- Practical and usable direct conversion receiver for the 40 m CW band
[ Hits: 1501 | Votes: 2 | Rating: 6 ]
- 30 m Band Direct Conversion Receiver
- The direct conversion receiver described consists of only a bandpass filter, mixer IC, VFO and audio filter. With only 22 parts, this simple circuit should take a few hours at the weekend to construct.
[ Hits: 769 | Votes: 1 | Rating: 4 ]
- Simple Regen Radio for Beginners
- The Regen Shortwave Receiver using Manhattan-style ugly construction techniques.
[ Hits: 3314 | Votes: 4 | Rating: 7.5 ]
- YU1LM SDR Radio
- Software Defined Radio Projects, HF Receivers and Transceivers projects by YU1LM/QRP
[ Hits: 898 | Votes: 3 | Rating: 10 ]
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