digital signal

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digital signal

61 links - and 2 categories

Internet and Radio : Online Receivers
  • PSK31 HF Receiver in Charlotte NC USA - This PSK31 receiver shows you the active HF bands and tunes itself to the busiest for live decoding of the digital signal. Located in Charlotte, NC
    [ Hits: 2661 | Votes: 18 | Rating: 2.23 ]
Manufacturers : Digital and Packet Radio
  • Starman Electric - Starman Electric manufactures DataBridge wireless RF modem modules for easy point-to-point wireless data transmission of analog, digital, and serial RS232 UART signals.
    [ Hits: 316 | Votes: 5 | Rating: 10 ]
Manufacturers : Military
  • Nutaq - Leader in supplying digital signal processing (DSP) boards, systems, design services and OEM products for the Wireless, Scientific and Defense markets.
    [ Hits: 267 | Votes: 0 | Rating: 0 ]
Manufacturers : Software Defined Radio
  • SDR Cube - A self-contained and portable SDR Transceiver using a Softrock front end and embedded Digital Signal Processing ... No PC required!
    [ Hits: 1681 | Votes: 0 | Rating: 0 ]
Manufacturers : Test Equipment : Frequency Counter
  • Keithley Instruments Inc. - Digital multimeters, power supplies, frequency counters, RF analyzers, signal generators
    [ Hits: 616 | Votes: 0 | Rating: 0 ]
Manufacturers : Test Equipment : Signal generator
  • Signatec - Signatec manufactures pc based data acquisition waveform digitizers pci daq boards, digital signal processing pci dsp boards, waveform signal generator pci dac boards, and real time waveform recording products for the signal technology market.
    [ Hits: 459 | Votes: 0 | Rating: 0 ]
  • Signal Forge - The signal forge 1000 signal generator is a portable, high-performance digital and rf signal source with a 1 ghz frequency range. features include digital, differential and ac coupled outputs
    [ Hits: 635 | Votes: 0 | Rating: 0 ]
  • Tektronix - Signal Generator - Tektronix Signal Generator web site. A Tektronix signal generator can create a virtually unlimited number of signals - analog or digital, ideal or distorted and more.
    [ Hits: 200 | Votes: 1 | Rating: 1 ]
Operating Aids : Phonetics and codes
  • RSQ Signal Rporting for Digital Modes - This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.
    [ Hits: 710 | Votes: 1 | Rating: 5 ]
Operating Modes : DSP
  • CMSK - CMSK is a narrow-band weak signal digital mode for LF and MF ham radio bands defined by ZL2AFP. CMSK63 is the windows client program.
    [ Hits: 827 | Votes: 3 | Rating: 6.33 ]
Operating Modes : EME
  • The JT65 Communications Protocol - Digital protocol intended for Amateur Radio communication with extremely weak signals. Joe Taylor, K1JT
    [ Hits: 1189 | Votes: 2 | Rating: 5.5 ]
Operating Modes : Meteors
  • JT6M.org - The purpose of this web site is to promote JT6M as a mode of communication on both 6M and 4M band and guide users through setting up and using JT6M effectively. Optimised for 6 metre band Meteor Scatter, JT6M allows you to make meteor scatter contacts easily. JT6M is part of the WSJT suite of digital weak signal software applications developed by Joe Taylor, K1JT
    [ Hits: 653 | Votes: 1 | Rating: 4 ]
Operating Modes : Weak Signal Shopping and Services : Kits and Components
  • MiniDSP - MiniDSP is a platform for digital audio signal processing applications. Manufacture low cost digital signal processor kits for the DIY/OEM market. Our flexible audio platforms are software controlled and easily upgradeable.
    [ Hits: 618 | Votes: 2 | Rating: 6 ]
Software : DSP
  • ScopeDSP - ScopeDSP analyzes sampled-data signals in the time and frequency domains. It can generate, read, write, window, and plot real and complex digital data signals.
    [ Hits: 838 | Votes: 1 | Rating: 1 ]
Software : JT65
  • WSJT - WSJT-X and MAP65, open-source amateur radio programs, facilitate weak-signal digital communication. WSJT-X covers VHF/UHF to HF, decoding subthreshold signals. MAP65 optimizes for VHF/UHF EME with JT65. Free and GNU GPL licensed, WSJT-X is on Windows, Linux, and OS X, while MAP65 is Windows-only, supporting SDR hardware.
    [ Hits: 2765 | Votes: 5 | Rating: 6.4 ]
Software : Oscilloscope 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: 11313 | Votes: 9 | Rating: 7.77 ]
Technical Reference : Sound Card Radio Interfacing
  • USB Warbler - This project describes how one USB port can provide all of the signals necessary to operate a transceiver in digital mode from a Windows XP laptop by KG4JJH
    [ Hits: 874 | Votes: 0 | Rating: 0 ]
  • Signalink USB and Yaesu FT-857D - This webpage describe how to set up the Signalink USB interface and Yaesu FT-857D for digital operations by NA4IT
    [ Hits: 2077 | Votes: 3 | Rating: 1 ]

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