vox diagram

Flower Pot Antenna for 2 and 6 mt - The diagram below shows the basic arrangement of the 2m Half-Wave version of the antenna. A 6m diagram is available too by VK2ZOI

F5DQK Vinecon 6N4 - A dual band antenna for 50Mhz and 70Mhz with lots of pictures and diagrams by F5DQK

Simple HF Baluns for 50/75 ohm coax - Show diagrams, winding methods and tables of some 1:1 and 4:1 baluns for 1.8 - 30 MHz suitable for use up to 200W (400W peak) on systems using 50 or 75 ohm coaxial cable input where SWR should not exceed 1.6:1.

CobWebb antenna by M0MRR - Build your own cobwebb antenna followninf M0MRR instructions and notes

A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG

ZX 6-6 50 MHz Yagi Antenna - Antenna dimension, diagram and simulation of the ZX Antennen ZX 6-6 Yagi for VHF UHF by DF9CY

F4FDP - Jean-Luc - This is F4FDP's blog on Vox.

Wolphi-Link Android Smart phone to FT-817 857 897 interface Priority listing - Wolphi-Link is an Android Smartphone to Ham Radio interface. Wolphi-Link works with DroidSSTV, DroidPSK, DroidRTTY and Morse Decoder. It will work with radios which don't have a VOX.

6m SSB & CW QRP transceiver - Block diagram, schematics pcb layout and pictures of a CW QRP transceiver for 50 Mhz by S57NAN

Maunder's Butterfly Diagram - How to understand when a new solar cycle starts. At the beginning of a new solar cycle, sunspots tend to form at high latitudes, but as the cycle reaches a maximum the spots form at lower latitudes.

FT-2000 Diagram - Yaesu FT-2000 series diagram

The Yaesu FT-817 Transceiver - FT-817 manuals and schematics and diagrams

FT-817 ND Modifications - DRM reception / SDR output (IF 12 kHz), Using the internal VOX for the data jack, Connection of the mini speaker microfone ICOM HM-46

Yaesu FT-950 Connections - Yaesu FT-950 – Recommended Interconnection Diagram

A fool-proof VOX - A circuit which had been used in many other application before. The configuration described here is optimized for IPHONE/radio operation.

Radio Beacon Controller - Radio Beacon Controller using an AT90S2343 with a block diagram of a Radio Beacon.

DRAKE TR7 Downloads - Circuit diagrams drake tr7, Schaltbilder Drake Tr7, antenna tuners, baluns, and home brew power supplies, dual tone ssb test generator, zweiton ssb test generator, zweiton testgenerator, dual tone test generator by DK4DDS

50MHz SSB/CW Transceiver - A SSB CW transceiver for six meters band with schematic and block diagram

A Homemade Signal Generator - Homebrewing a 3 to 30 Mhz Signal Generator, project and schematic diagram

ID-800 programming cable - Programming cable diagram for ICOM radios

DRM Demo Receiver - Christoph Petermann DF9CY DRM demonstration receiver project including Circuit Diagram and component list

Bartling RX-40 Receiver - Circuit Diagram and Construction of the Bartling RX-40 Joachim Münch DF4ZS

A reliable VOX PTT circuit - This VOX PTT has been designed with Echolink in mind, but it will work equaly as well with repeaters

Simple Spectrum Analyser - Homebrew a simple spectrum analyzer. Diagrams, part list and instructions by G4AON

70 MHz transverter - The G8TTI 434 MHz to 70 MHz transverter with block diagramm