micro

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micro

442 links - and 14 categories

Antennas : Tuners
  • Semi-automatic antenna tuner project - Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
    [ Hits: 291 | Votes: 0 | Rating: 0 ]
Manufacturers : Accessories
  • Hands Free - Radcom Labs - The SAFE SPEAK HF3 is the third generation of a unique Hands-Free microphone system for two-way radio communications. The HF3 can be used with almost any radio transceiver and is ideal for permanent installation in a vehicle or temporary use during emergencies or special events.
    [ Hits: 173 | Votes: 1 | Rating: 10 ]
Manufacturers : Filters
  • Microwave Filter Company - Microwave Filter Company is a leader in the design, development and manufacture of high quality passive electronic filter products in the 5 Hz to 50 GHz frequency spectrum.
    [ Hits: 123 | Votes: 0 | Rating: 0 ]
Operating Modes : Microwave
  • Amateur Radio Microwave - Introduction - Introdcution to Amateur Radio Microwave. A 21 page presentation of ham radio microwaves concepts for beginners. Frequencies, modes and activities. How to get started, what equipment is needed and some pictures of ham radio microwave station setups
    [ Hits: 407 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : ICOM IC-756
  • ICOM 756 and 756PRO - Ini this article the author compare the Icom 756 and Icom IC 756 PRO. Comparison is very detailed and includes S Meter Calibration, Microphone Gain, Transverter Jack, the noise blanked, the spectrum analyzer, audio quality, notch filter, compression meter, noise reduction, sensivity and filter settings along to many other features making this article a must for who want to compare this two models
    [ Hits: 230 | Votes: 1 | Rating: 8 ]
Radio Equipment : VHF-UHF Handhelds : Baofeng UV-3R
  • Baofeng Mic Pin Out and Programming Cable Schematics - Speaker Microphone Pin Out, Dual PTT Switching,Programming Cables, SMA Antenna Connection, Extended Antenna Threads for Baofeng UV 3, UV 5 Series handheld transceivers
    [ Hits: 1069 | Votes: 8 | Rating: 8.75 ]
Radio Equipment : VHF-UHF Mobile : ICOM IC-2720H
  • Icom IC-2720H VHF/UHF Transceiver Operating Guide - Mini-Operating Guide includes useful hints on Using the HM-133 Microphone, Basic Operation, Operating through a Repeater, Programming a Memory Channel and Assigning a Memory Channel to a Memory Bank
    [ Hits: 234 | Votes: 0 | Rating: 0 ]
Radio Equipment : Voice Keyers
  • BX-184 – An MH-31 microphone integrated voice keyer - A voice keyer kit available on the marker in two models, BX-184 is the replacement PCB for those who already own an MH-31 microphone. Kit BX-184M includes an MH-31 besides the PCB for those not owning one yet.
    [ Hits: 215 | Votes: 0 | Rating: 0 ]
Software : Log Converters
  • Log Book MDB to ADIF utility - This utility will convert any amateur radio logbook that has been stored in Microsoft Access MDB format and convert the file into either a delimited CSV file or to an ADIF formatted file
    [ Hits: 240 | Votes: 1 | Rating: 5 ]
Software : Satellite tracking
  • HamGPS - Display your current Maidenhead locator with 10 digit precision. It also computes bearing and distance to a set of target locations using locator or latitude / longitude. Useful to align antennas in VHF / UHF / microwave DX activities. No network or fancy maps usage, so it can be used even in remote locations.
    [ Hits: 381 | Votes: 1 | Rating: 7 ]
Technical Reference : Audio
  • An Audio Selection Panel in the Shack - On this page, you will find one of my designs; An Audio Selection Panel (ASP). The Audio Selection Panel allows you to control 4 Transceivers and hear the audio through the built-in loudspeaker and on an external boomset (combination Microphone/ headset). On or more transceivers can be selected at a time to transmit and/ or receiv
    [ Hits: 138 | Votes: 2 | Rating: 7.5 ]
Technical Reference : Coax Cables and Connectors
  • Coax Cable Attenuation and Power Handling Online Calculator - An on-line coaxial cable attenuation and total power handling calculator, with a lot of cable properties already configured to give the Nominal Attenuation, Maximum Cable Assembly Insertion Loss, Average Power, Cable Vg anf Nominal Td
    [ Hits: 227 | Votes: 2 | Rating: 2 ]
Technical Reference : Keyers
  • BX-184 Voice Keyer - The BX-184 is a voice keyer developed by Olli DH8BQA designed to fit into the case of a Yaesu MH-31 microphone.
    [ Hits: 237 | Votes: 0 | Rating: 0 ]
Technical Reference : Mic wiring
  • An Inexpensive Microphone Selector Switch - Take a commercially available switch box intended for switching data lines such as printer cables between two computers, and change out the connectors so that it can be used to switch between two microphones to one transceiver.
    [ Hits: 254 | Votes: 1 | Rating: 7 ]
Technical Reference : Microphones Technical Reference : QRP Projects
  • A Micro QRP Transceiver Project - A family of small size QRP SSB transceivers for the 15 MHz. Includes a cigarette pocket size QRP transceiver and a larger shirt-pocket transceiver.
    [ Hits: 804 | Votes: 4 | Rating: 5.5 ]
  • Micro24 Cigarette Pack SSB QRP Transceiver for 20m - The Micro24 is a ultra compact microsize QRP SSB transceiver for the 20 meters amateur radio band. This transceiver is so small that it fits into one hand.
    [ Hits: 1160 | Votes: 7 | Rating: 7.71 ]
  • The Micro20 III Pocket Size SSB RTX for 20m - DK7IH QRP transceiver for 14 MHz. This small and compact home made transceiver with a max power output of 5W, the VFO module is based on the clock oscillator chip Si5351A by Silicon Labs ATmega168 and OLED 1306
    [ Hits: 249 | Votes: 3 | Rating: 10 ]
Technical Reference : Transverters
  • 70cm Mini Transverter - A low cost, low power microwave transverter so that you can operate easily on 70cm band even with a HF or VHF transceiver
    [ Hits: 389 | Votes: 0 | Rating: 0 ]
  • 70cm Mini-Transverter Project - The project in this article illustrates how to do this in a simple and low cost way so that you can easily access the microwave bands using the existing HF or HF/VHF transceiver as IF.
    [ Hits: 252 | Votes: 2 | Rating: 9 ]

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