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  2. Signal generator - Wikipedia

    en.wikipedia.org/wiki/Signal_generator

    A signal generator is one of a class of electronic devices that generates electrical signals with set properties of amplitude, frequency, and wave shape. These generated signals are used as a stimulus for electronic measurements, typically used in designing, testing, troubleshooting, and repairing electronic or electroacoustic devices, though it often has artistic uses as well.

  3. AN/URM-25 signal generator - Wikipedia

    en.wikipedia.org/wiki/AN/URM-25_signal_generator

    The AN/URM-25 was part of a series of vacuum tube-based signal generators built for the U.S. military in the early Cold War-era.. Today they are collected and used by vintage amateur radio and antique radio enthusiasts who say they provide reasonably high accuracy and stability for a low cost, with build quality reflecting tough military construction requirements and standards.

  4. List of projects published in Radio-Electronics magazine

    en.wikipedia.org/wiki/List_of_projects_published...

    Synthesized function generator This is a precision laboratory or test-bench instrument capable of accuracy to 0.005%. Use it with logic circuits or as an audio or RF signal generator. Gary McClellan 51/10 October 1980 Unicorn-1 robot Part 3. Design and construction of the mobility base. James A. Gupton, Jr. 51/10 October 1980 Circuit design station

  5. Function generator - Wikipedia

    en.wikipedia.org/wiki/Function_generator

    When those traits are required, other signal generators would be more appropriate. Some function generators can be phase-locked to an external signal source (which may be a frequency reference) or another function generator. [2] Function generators are used in the development, test and repair of electronic equipment.

  6. Numerically controlled oscillator - Wikipedia

    en.wikipedia.org/wiki/Numerically_controlled...

    A numerically controlled oscillator (NCO) is a digital signal generator which creates a synchronous (i.e., clocked), discrete-time, discrete-valued representation of a waveform, usually sinusoidal. [1] NCOs are often used in conjunction with a digital-to-analog converter (DAC) at the output to create a direct digital synthesizer (DDS). [3]

  7. Video display controller - Wikipedia

    en.wikipedia.org/wiki/Video_display_controller

    Block diagram of a NEC μPD7220 graphics display controller. A video display controller (VDC), also called a display engine or display interface, is an integrated circuit which is the main component in a video-signal generator, a device responsible for the production of a TV video signal in a computing or game system.

  8. Frequency synthesizer - Wikipedia

    en.wikipedia.org/wiki/Frequency_synthesizer

    The key to the ability of a frequency synthesizer to generate multiple frequencies is the divider placed between the output and the feedback input. This is usually in the form of a digital counter, with the output signal acting as a clock signal. The counter is preset to some initial count value, and counts down at each cycle of the clock signal.

  9. Network analyzer (electrical) - Wikipedia

    en.wikipedia.org/wiki/Network_analyzer_(electrical)

    The network analyzer needs a test signal, and a signal generator or signal source will provide one. Older network analyzers did not have their own signal generator, but had the ability to control a stand-alone signal generator using, for example, a GPIB connection. Nearly all modern network analyzers have a built-in signal generator.

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