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The modulator is then programmed to broadcast the signals on a certain frequency. That RF broadcast is then received by the connected TV. When the TV is tuned to the programmed channel, the video and audio signal of the source device is accessed. RF modulation can become difficult in a CATV system. High pass, low pass, and notch filters must be ...
Modulator and antenna switch The Sup 'R' Mod II is an RF modulator which was sold by M&R Enterprises in the late 1970s and early 1980s. It connects computers and other devices with composite video outputs, to a television.
Early Dazzler software Ed Hall, whose color implementation of Conway's Game of Life on the Dazzler led to a revival of interest in the game. The original advertisement for the Dazzler offered three different software programs for sale (provided on punched paper tape.) [6] These were Conway's Game of Life, Dazzlewriter (an alphanumeric display) and a colorful pattern-generating program ...
A modulating retro-reflector (MRR) system combines an optical retro-reflector and an optical modulator to allow optical communications [1] and sometimes other functions such as programmable signage. [2] Free space optical communication technology has emerged in recent years as an attractive alternative to the conventional radio frequency (RF
A pixel graphics mode is by default not available, but can be implemented by the user. Relevant instructions were published in various magazines and books until early 1990s. The monochrome image is fed to a built-in RF modulator and then transmitted through the coaxial antenna port for use by standard TV; an upgrade to color output is possible.
An RF modulator allows the use of a television as a monitor. Lowercase letters are displayed as small caps , rather than separate glyphs. TI BASIC , an ANSI -compliant BASIC interpreter based on Dartmouth BASIC , is built-in and includes support for graphics, sound, and file system access.
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Marantz 2050L AM/FM stereo tuner (USA; 1978-1980) [1]. In electronics and radio, a tuner is a type of receiver subsystem that receives RF transmissions, such as AM or FM broadcasts, and converts the selected carrier frequency into a form suitable for further processing or output, such as to an amplifier or loudspeaker.
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