modulation

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Search Results for "modulation"

42 links - and 1 categories

Manufacturers : Receivers
  • AM Stereo - AM stereo receivers are available, with technical descriptions of modulation and demodulation, as well as listing of known AM stereo stations.
    [ Hits: 748 | Votes: 5 | Rating: 8.20 ]
Operating Aids : Awards
  • Russian VHF Trophy - For carrying out of bilateral QSOs on band of 2 meters, 70 and 23 centimeters all kinds of modulation. It is authorized to spend QSOs, using all kinds of passage: TROPO, ES, AURORA, MS, FAI, EME, IONO,
    [ Hits: 486 | Votes: 0 | Rating: 0.00 ]
Operating Modes : Amateur Television
  • F5AD ATV Repeaters - F5AD describes the ATV repeaters in the south of France, and methods, frequencies, modulations used in ATV in France and in Europ. (French and English)
    [ Hits: 1448 | Votes: 9 | Rating: 4.45 ]
Operating Modes : D-STAR
  • BCFMCA D-STAR System - British Columbia Frequency Modulation Communications Association
    [ Hits: 230 | Votes: 0 | Rating: 0.00 ]
Operating Modes : DSP
  • Olivia - The Olivia transmission system is constructed of two layers: the lower, modulation layer is an (almost) classical Multi-Frequency Shift Keying (MFSK) and the higher layer is a Forward Error-Correcting (FEC) code based on Walsh functions.
    [ Hits: 1282 | Votes: 1 | Rating: 3.00 ]
  • Pactor ii - PACTOR-II is a fully backward-compatible improvement to the original PACTOR system. It is an adaptive mode that applies different modulation and encoding methods depending on the channel quality.
    [ Hits: 504 | Votes: 0 | Rating: 0.00 ]
Operating Modes : EME Shopping and Services : CB Radio Stores
  • Sparkys cb shack - CB and 10 Meter Amateur Radio Sales and Service. Free Custom Tuning. Free Shipping. Home of the Sparktune Modulator. Give your radio that Blazing Modulation We stock Galaxy, Cobra, magnum, Connex, General,Uniden, Workman, Dosy, Hustler, Turner
    [ Hits: 8852 | Votes: 175 | Rating: 3.73 ]
Software : DSP
  • Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK, &c.).
    [ Hits: 1593 | Votes: 3 | Rating: 6.33 ]
  • RadioReader-Pro - Professional software for real-time analysing, demodulation/decoding digital radio-transmission``Demodulation based on the best of the noiseproof correlation algorithms``Demodulation ASK, Morse, FSK, MFSK, CPFSK, GMFSK, FSK4, FSK8, PSK, BPSK, QPSK, FAX
    [ Hits: 10265 | Votes: 36 | Rating: 5.57 ]
Software : Macintosh
  • TCalc - TCalc+ analyses the Noise and intermodulation performance of radio receiver front-ends.
    [ Hits: 597 | Votes: 0 | Rating: 0.00 ]
Software : PSK31
  • IZ8BLY Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK).
    [ Hits: 2504 | Votes: 16 | Rating: 7.32 ]
Software : Repeater Control
  • Simplex - SIMPLEX is a free windows program which transforms any transceiver into an audio repeater. It works on HF, VHF, UHF etc with SSB, CW, FM, packet, SSTV and every modulation mode.
    [ Hits: 6590 | Votes: 14 | Rating: 7.43 ]
Software : Signal Generator
  • TCube - TCUBE is a combination of a Spectrum Analyzer and a Two Tone Generator, with optional quadrature outputs. It can be used for measuring the intermodulation behavior of an audio circuit, and as a general purpose tool
    [ Hits: 7512 | Votes: 9 | Rating: 5.00 ]
Software : Spectrum analyzers
  • Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.
    [ Hits: 10587 | Votes: 9 | Rating: 7.77 ]
Software : Utilities
  • Double Tone Generator - Double tone generator for testing intermodulation
    [ Hits: 3582 | Votes: 11 | Rating: 5.92 ]
  • F-Intermod - Intermodulation Software - F-Intermod calculates RF intermodulation products for up to 1000 channels by Telecom Engineering Inc.
    [ Hits: 1945 | Votes: 9 | Rating: 7.00 ]
Technical Reference : Beacon keyers
  • AVR Beacon Keyer Project - Description of an HF beacon keyer with telemetry. What makes the keyer rather different is its versatility - it is a multi-mode unit, with ASK and FSK modulation, sending Feld-Hell and Morse on command.
    [ Hits: 485 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Filters
  • 5th order High Pass VHF Filter - Sometimes many VHF-UHF modern transceivers have problems with BROADCAST Interference and CROSS-modulation from FM commercial broadcast stations this article shows a simple Batteworth HI-Pass VHF Filter to reduce this problem
    [ Hits: 918 | Votes: 7 | Rating: 5.57 ]
Technical Reference : Homebrew
  • 430MHz ATV transmitter - ATV transmitter on 430MHz band used with special transmitting tube named 5894 for final stage. Run about 10W average for TV signal and 20W at synchronous peak. Final stage control gird modulation works well for NTSC color video signal and good at audio as well.
    [ Hits: 3464 | Votes: 0 | Rating: 0.00 ]
  • The MGM Interface - General purpose RTX-PC sound card Interface for MGM (Machine Generated Modulation)
    [ Hits: 288 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Radio Frequency Interference
  • VK5BR : Intermodulation - Intermodulation Performance and Measurement of Intermodulation Components by Lloyd Butler VK5BR First published in "Amateur Radio" August 1997
    [ Hits: 396 | Votes: 1 | Rating: 10.00 ]
  • RFI - Intermodulation - 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!
    [ Hits: 525 | Votes: 2 | Rating: 5.50 ]
  • Intermodulation - Intermodulation distortion, commonly known as Intermods, is a type of interference that can occur in any non-linear junction.
    [ Hits: 363 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Software Defined Radio : Beginner's Guides to SDR
  • Software-defined radio by Wikipedia  updated - According to wikipedia a software-defined radio is a radio communication system which uses software for modulation/demodulation of signals
    [ Hits: 855 | Votes: 1 | Rating: 4.00 ]
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