mic gain

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mic gain

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Antennas : Horn

  • What is Horn Antenna - Horn Antenna - The energy of the beam when slowly transform into radiation, the losses are reduced and the focussing of the beam improves. A Horn antenna may be considered as a flared out wave guide, by which the directivity is improved and the diffraction is reduced. One of the first horn antennas was constructed in 1897 by Bengali-Indian radio researcher Jagadish Chandra Bose in his pioneering experiments with microwaves. The modern horn antenna was invented independently in 1938 by Wilmer Barrow and G. C. Southworth. This Horn model antenna is suitable employed in the UHF or SHF radio bands. Making this horn model antenna it will be easy for a beginner to make if it works in the 10GHz frequency, because small dimensions so it is not so difficult and also offers gain up to 25dBi.
    [ Hits: 74 | Votes: 0 | Rating: 0 ]
Antennas : J-Pole Antennas : Microwave
  • Cavity antennas - Cavity antennas are weatherproof antennas for UHF and microwave frequencies. Require more metal for the same decibels of antenna gain but a cavity antenna is relatively easy to weatherproof.
    [ Hits: 305 | Votes: 2 | Rating: 5.5 ]
  • Double BiQuad Antenna for 2.6 GHz - This is basic instructions for homemade 4G Antenna working on 2600 MHz UMTS featuring 13 14 dBi gain. This antenna is desigend to resonate on microwave frequencies in two segments from 2500 to 2570 MHz for Uplink, and from 2620 to 2690 MHz for Downlink.
    [ Hits: 85 | Votes: 0 | Rating: 0 ]
Antennas : Satellite
  • Dish antenna - Dish antenna and its theory and design for high performance applications such as satellite transmission and reception as well as microwave links. Parabolic Reflector Antenna: Dish Antenna The parabolic reflector antenna which is often called the dish antenna provides an antenna solution applicable for VHF and above where high gain and directivity are needed for all type of radio communications and radio reception.
    [ Hits: 1026 | Votes: 0 | Rating: 0 ]
Manufacturers : Microwave
  • Hittite Microwave Corporation - Amplifiers, filters, attenuators, mixers, PLL, switches and frequency dividers, signal generators, power detectors, transimpedance amplifiers, variable gain amplifiers and more
    [ Hits: 553 | Votes: 0 | Rating: 0 ]
Operating Modes : FT8
  • Optimizing TX/RX Levels in WSJT-X - Exploring digital radio modes, the author rethinks how to adjust transmit and receive levels in WSJT-X. Despite effective communication using Yaesu's settings, a new procedure aims for better performance. For RX, set audio device levels to 100%, disable AGC, and adjust RF gain. For TX, enable "Remember power settings" and adjust power output to avoid ALC engagement. This method ensures reliable communication without signal degradation, enhancing dynamic range and minimizing noise.
    [ Hits: 47 | 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 : HF Transceivers : Icom IC-746
  • IC-746 Modification - Increase microphone gain of the Icom IC-746, and how to add continious-on cooling fan
    [ Hits: 431 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • FT-817 Audio Speech Compressor: Boosting Signal Power with SSM2165 - Designed for the FT-817, this audio speech compressor, centered on the Analog Devices SSM2165, offers a 40 dB compression range, enhancing signal power. Built externally with the SMD version to preserve warranty, the circuit interfaces smoothly with electret microphones. Testing shows a 6 dB average power increase. Adaptable to rigs with electret microphones, it maintains unity gain and 40 dB compression.
    [ Hits: 59 | Votes: 0 | Rating: 0 ]
Shopping and Services : CB Radio Stores
  • Classic International - Experts in Wireless Communication, distributor of Ameritron, Bencher, Butternut, Hustler, Hy-Gain, MFJ, Microset, Mirage, PKW, Vectronics.
    [ Hits: 3934 | Votes: 8 | Rating: 4.75 ]
Software : Antenna rotor control
  • LP-Rotor - LP-Rotor 2.0 is a standalone freeware rotator control program for use with Microsoft Windows. LP-Rotor should work with all versions of Windows from Windows 95 forward. It is designed to be used with the Hy-Gain DCU-1 or RotorEZ interfaces for Hy-Gain rotators, or the RotorCard interface for Yaesu rotators.
    [ Hits: 4975 | Votes: 5 | Rating: 6 ]
Technical Reference : CB Radios
  • Rogerbirds HR 2510 mods - Rogerbird's Radio Modification Information, HR2510 or Lincoln Frequency Conversion Instructions, Mic Gain Modification, and more
    [ Hits: 7769 | Votes: 57 | Rating: 8.31 ]
Technical Reference : Headsets and Speakers
  • Computer headset adapted for Ham Radio Usage - Adapting a common PC earphone with microphone to connect to a transceiver via a homemade pre-amplifier, using a simple chip with aprox 10 db gain. Includes a schematic diagram
    [ Hits: 179 | Votes: 0 | Rating: 0 ]
Technical Reference : Preamplifiers Technical Reference : Radio Mods
  • Kenwood TM-201 401 mod - Kenwood TM-201/401 Increased TX Audio, mod for microphone gain
    [ Hits: 574 | Votes: 3 | Rating: 5.67 ]

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