micro circuits

A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.

Optimizing Inductors - While intended mainly for antenna loading coils, this article also applies to other resonant systems, such as amplifier tank circuits.

DirectionalWaveguide - Seattle Wireless - Waveguide antenna is a type of DirectionalAntenna and is a modified waveguide. A waveguide is simply a tube, either rectangular or cylindrical in cross-section, that will carry a microwave radio signal with very low signal loss

MicroTV Aerial - Seattle Wireless - Yagi antenna for 2.4Ghz band

9H1LO - Stanley Grixti - 9H1LO is I.A.R.U. Microwave Manager and Vice-Secretary for M.A.R.L

SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.

RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.

Intuitive Circuits, LLC. - Intuitive circuit llc is a market leader in dtmf encoders and decoders, cash register surveillance, cash register security, and text inserter products. Amateur televisions ATV products

NETCERTUS ampsequencer - Advanced microprocessor driven control board specifically designed to buffer CW key signals while switching the amplifier to transmission, it can also be used to provide proper TX delay timing for RTTY.

microHAM - 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

Behringer - High quality audio systems

Kuhne electronic - Innovative quality products for microwave communications

Micro Computer Concepts - Micro Computer Concepts is a manufacture of radio repeaters, repeater controllers and repeater related accessories. MCC started making repeater controllers in 1988 and has supplied the Amateur Radio community with a varity of products.

All American - Distributor of electronic components, ull range of semiconductors (active components), including relays, circuit breakers, transistors, diodes, memory devices, microprocessors, microcontrollers, and other integrated cuircuits, as well as passive components, such as capacitors, resistors, inductors, and electromechanical products, including cable, switches, connectors, filters, and sockets.

Antenna Model - Commercial software for the analysis of wire antennas. runs under most Microsoft 32-bit Windows operating systems—Windows 98/ME/NT4/2000/XP Analyze most wire antennas in free space, over perfect ground, or over real-world grounds with the conductivity and dielectric constant you specify. You describe the antenna to the program in easy-to-use spreadsheet-style input window

NEC4WIN - NEC4WIN is a 32 bits commercial antenna simulation software based on MININEC3 developed by the Naval Ocean Systems Center in the 70s and 80s. It runs under Windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc. NEC4WIN has limitations. They are the same as Mininec3 on which the engine is based.

The KB6IBB Utilities for Palm OS - designed for the ham radio operator or radio scanner hobbyist. It houses four databases that organize your frequency lists. EDACS Trunk - A database that houses the entire EDACS ID table. Conventional - A database that houses lists by channal number. Radio Call Log - A database that allows the user to log calls/notes. Ham Radio Repeaters - A database for ham radio repeaters.

CwGet PPC  ^updated Priority listing - A program to decode Morse code via sound input of PDA to text. No additional hardware required - your need only receiver and PDA with sound input. Built-in microphone of device can be used also.

HL1INF RF Amplifiers - Circuits, pictures and data about toroids, tubes and home made power amplifiers

GI-7 B/GI-70 BT - The GI-7B (GI-70B) microwave triode

Medium Power Amplifiers for 24Ghz - By John Hazell G8ACE

DigChip IC database - Provider of electronic components documentation. Offer a reliable tool to find semiconductors components technical information like parts, datasheets, cross reference, obsolete and new circuits.

Making printed circuits - To make smart looking PCB's, all you need is a computer, a laser printer, copper clad board, etchant, a clothes iron and some Epson glossy photo paper.

Made your Iambic keyer - This iambic keyer uses a PIC16C84 or PIC16F84 microcontroller to generate the dot/dash timing and key the transmitter.

Microphone connections by G4WPW - Roy G4WPW has collected one of the most complete and interesting pages for microphone connections schemas and wiring. Includes Kenwood microphones schematics as well as Yaesu Icom Alinco Adonis Drake Heil JRC MFJ schematics