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Query: RF
Links: 559 | Categories: 35
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Categories
- Manufacturers > Interfaces
- Technical Reference > Radio Frequency Interference
- Technical Reference > Amplifiers > RF Amplifiers Theory
- Software > RF Coverage Mapping
- Software > RF Design
- Technical Reference > Test Equipment > RF Probe
- Technical Reference > RF Signal Generators
- Technical Reference > Test Equipment > RF Sweep Generator
- Technical Reference > Sound Card Radio Interfacing
- Technical Reference > RF Design
- Technical Reference > RF Safety
- Shopping and Services > RF Tubes
- Radio Equipment > HF Amplifiers > Ameritron AL-811
- Manufacturers > Amplifiers
- Technical Reference > Amplifiers
- Technical Reference > Attenuators
- Antennas > Baluns
- Antennas > Feed Lines > Choke
- Technical Reference > Filters
- Radio Equipment > HF Transceivers > Icom IC-705
- Radio Equipment > HF Amplifiers > Kenwood TL-922
- DX Resources > Log Analysis
- Technical Reference > Radio Frequency Interference > Noise Reduction
- Antennas > OCF
- Technical Reference > Preamplifiers
- Technical Reference > QRM Eliminator
- Operating Aids > Radio Spectrum
- Technical Reference > Receiver Front-End Protector
- Antennas > Resonant Feedline Dipole
- Radio Equipment > VHF-UHF Amplifiers > RM VLA-200
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Experiences with the end-fed dipole based on the concepts presented by J. Taylor in an article titled RFD-1 and RFD-2: Resonant Feed-Line Dipoles in QST. August 1991. -
This circuit will let you look at the signal and frequency output of your transceiver. -
This article describes the details of the design, which can be easily scaled for just about any HF band. The antenna described in this article is for the 20 meters band. -
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PTT and souncard interface for the kenwood TM255 and TM455 -
With the bluecat interface it is possibile to connect a Yaesu FT 817 857 897 to a computer or a android smartphone without any cable or interface, using a bluetooth wireless connection -
The only worldwide amateur radio repeater directory. Supports Android, iPhone, web, RT Systems, CHIRP GPS enabled. AvMap, Garmin, TomTom -
Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY -
Radio for Peace International (RFPI) is a Global Community Radio Station located in Costa Rica, Central America that broadcasts progressive news on shortwave radio and the internet on topics of Peace, Human Rights and the Environment. RFPI gives a voice to the voiceless by promoting democratic communication. -
How to connect a mose key to a pc using the standard RS232 serial ports by F8EHO -
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The current, the voltage, the impedance, the bandwidth, the polarization, and how the earth influences the famous radiation pattern. -
Complete guide to receive weather satelite images with a RTL SDR dongle and free software -
About DRM, the DRM standard, emission types, upfrading your old HF RX to DRM -
This video will provide a foundation for understanding how power amplifier circuits work. If you are new to High Frequency Power Amplifier Circuit Design, this is the place to start. -
Will additional coax stubs improve Band Pass Filter performance? -
The Megacycles combine the hobbies of amateur radio and bicycling. This group is not a club as there are no officers, dues or by-laws. -
Home Brew a 4-1000A RF power amplifier project by W4NFR -
A MacOSX antenna design and electronics/electrical tool package. It is a multipourpose application that allow antenna design and comomn calculations -
The Atmel AVR Butterfly is a credit card sized board which contains an AVR MEGA169 processor, a six character LCD display, a five way joystick navigation switch, a piezo speaker, a 3 volt lithium battery cell for power and a few other odds and ends. -
Thierry LOMBRY, ON4SKY, develops in depth and with original pictures the long history of amateur radio all through the world from 900 BC to date. -
How to become an amateur radio ? by ON4SKY Review of general conditions to get licensed, examinations, regulation, CW, foreign calls, and more -
A RF Probe circuit for the RADIO frequency experimenter to check the presence of a RF signal and also to measure its strength -
Essentials or basics of RF signal generators or microwave signal generators, their facilities, capabilities and how they work. -
Getting squeaks and squawks from your H-T? Are pagers crunching your mobile rig's front end? Here's how intermod happens--and how to fight back! -
The author who works successfully via EME on this band wants to describe his own yagi design and give some of hints for the construction. by Heinrich F. Reckemeyer, DJ9YW -
ARRL page dedicated to RF Safety -
Dealing with Computer generated RFI/EMI by Daniel 9V1ZV -
A nice tutorial and the basics of the software defined radio, SDR, and links of software defined radios to JTRS, and general SDR receiver technology. -
Sense The Right Way To Go With The HANDI-Finder -
An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another -
Information about RF driven lamps -
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Replacing the Yaesu FT100D SRF7043 VHF/UHF RF MOSFET Power Amplifier -
This R.F. current meter was developed to assist in measuring line currents in balance feed lines as used in the All Band HF Antenna. -
RF Current measurements on a Long Wire W3EDP antenna -
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A RS-232 to DB9 CW Radio interface with schematic diagram to connect your pc running CT by K1EA or Writelog to your keyer. -
This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B and Easycom protocols which are supported by a myriad of logging, contest, and control programs. -
A beginners guide to DMR. This web site cover all aspects of DMR and is a valuable resource for those who want to get started with DMR. -
This note is to help you setup your FTDX3000 with N1MM+ using WINDOWS via USB port -
RF Solutions is your authorised distributor of superior amateur radio products in Australia, New Zealand, and the Asia Pacific region -
How to reduce and eliminate the RF interference at VHF caused by the wired network -
This tutorial is designed to help the average person get his scanner feed on the net pdf file -
Measuring antenna current with and RF Ammeter -
This RF probe circuit allows RF to be measured in the presence of DC -
A collection of calculators from everything RF for various applications VSWR, attenuator resistance valies, microstrip, coax, unit conversions and many more. -
Radio Free Europe/Radio Liberty website provides news and information on various topics beyond borders. It includes top stories, visuals, newsletters, and in-depth coverage. The content is useful for staying updated on global events and perspectives.
