rf design145 links - and 1 categories
Antennas : Beverage
- WW2Y/K2WI Beverage design
- Ideas for enhanced beverage antenna performance, Single wire beverage improvements and arrays of two beverages
[ Hits: 3916 | Votes: 4 | Rating: 9.5 ]
- A 16 Turn S-Band Helix
- This design represents the smallest practical antenna for Oscar-13 mode-S. Perfect beacon reception at all times is possible, and acceptable SSB even at 43,000 km range.
[ Hits: 8795 | Votes: 4 | Rating: 7.5 ]
- 13 cm Helix Antenna
- Here is the design of a 2.4 GHz antenna that is ideal for amateur satellite communications. This antenna is easy to assemble because the design itself tolerates inaccuracies in the construction without really affecting performance.
[ Hits: 64915 | Votes: 84 | Rating: 5.91 ]
- Loop Antenna Design
- Full-wave loops are very popular antennas. They are especially useful on 80 and 40 meters where they perform well at modest heights
[ Hits: 2229 | Votes: 1 | Rating: 10 ]
- MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.
[ Hits: 713 | Votes: 1 | Rating: 7 ]
- Supply high quality accessories for your ham shack, including Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed for the SO2R operator, USB Interfaces, Digital Mode Interfaces, Keyers and many others
[ Hits: 1917 | Votes: 2 | Rating: 10 ]
- CAP Wireless Amplifiers
- Design and manufacture application specific microwave and RF amplifiers, upconverters, downconverters and multifunction assemblies.
[ Hits: 715 | Votes: 4 | Rating: 7 ]
- The SoftRock-40 is a small, low-cost, good-performing "software defined radio" receiver that plugs into a computer USB port and delivers I-Q audio signals to the computer's sound card. It was designed by Tony Parks, KB9YIG and Bill Tracey, KD5TFD as an "SDR sampler project" for hams everywhere to easily try out software defined radio.
[ Hits: 8356 | Votes: 9 | Rating: 7 ]
- Q15X25 is a packet modem with a KISS/AX.25 interface designed for HF transmission of AX.25 packets and TCP/IP using Automatic Repeat reQuest (ARQ) and forward error correction (FEC).
[ Hits: 652 | Votes: 1 | Rating: 1 ]
- F5VLB amateur radio astronomy station
- F5VLB and EA4EOZ have designed a small but powerful system using satfinder and standard LNB to make radioastronomy. A step by step descritpion for the novice about radioastronomy, VLB and listening to echo of meteorite.
[ Hits: 1497 | Votes: 3 | Rating: 10 ]
- Kenwood TS-950S RF gain mod
- The Kenwood TS-950S and TS-950SD HF transceivers are fine radios. However, many, if not all,
of them were produced with a design flaw which allows the RG GAIN control to cease function in
the presence of a strong signal IF the AGC has been turned OFF
[ Hits: 1598 | Votes: 1 | Rating: 1 ]
- RadioLabs - Radio, Wireless and Beyond
- Specialize in engineering, design and repair of all rf equipment. Dealer for two way radios, scanners, shortwave radios, wi-fi antennas, wifi amplifiers. Based in Fortuna, California.
[ Hits: 754 | Votes: 5 | Rating: 5.8 ]
- Packet Terminal Interface
- Simple Windows based TNC interface program
Designed for ARES operation, simple operator interface to connect and perform communication functions, control operator programs screens before operations
Both receive and transmit screens Simple Windows based TNC interface program Designed for ARES operation Simple operator interface to connect and perform communication functions
Control operator programs screens before operations Both receive and transmit screens
[ Hits: 9690 | Votes: 15 | Rating: 4.74 ]
- SATBUSTER for Windows is especially designed for satellite visual observers and trackers. Its users, mainly amateur astronomers and radio amateurs, appreciate both the accuracy and the simple to use graphical interface.The software is aimed to hobbysts. However a growing number of plain folks are starting to use this tool to recognize and look at the International Space Station and the Space Shuttle during its missions too
[ Hits: 2289 | Votes: 2 | Rating: 4 ]
- The Approx. Perfect Amplifier manuscript
- Discussion of some design features that would be present in a perfect, or near-perfect, amplifier.
[ Hits: 704 | Votes: 2 | Rating: 9 ]
- Introduction to amplifier design
- These tutorials will teach you in very easy steps how to design A class amplifiers.
[ Hits: 4554 | Votes: 15 | Rating: 3.86 ]
- QST signalink review - SL-1
- Designed to handle audio signal interfacing as well as transmit/receive switching Reviewed by Steve Ford, WB8IM
[ Hits: 591 | Votes: 0 | Rating: 0 ]
- 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: 859 | Votes: 0 | Rating: 0 ]
- Are you ready for BPL
- Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service
[ Hits: 622 | Votes: 0 | Rating: 0 ]
- 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: 6551 | Votes: 6 | Rating: 6.33 ]
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