Horita TSG50
NTSC Test Signal Generator


The TSG-50 generates 13 precision digitally synthesized video test signals/patterns. Wide range of signals are ideal for setting up, aligning, and evaluating the performance of various video equipment found in a typical video editing system, such as video monitors, distribution amplifiers, VCRs, multi-media systems, switchers, effects generators, TBCs, etc. In addition to the video signals, the TSG-50 also generates composite sync and, with a video DA such as the HORITA VDA-50, becomes a high quality, multiple output, house sync generator.

  • Generates the following 13 video testsignals:

-Blackburst with 7.5 IRE setup level

-Full field EIA RS-189A color bars

-Flat white field at 100 IRE level (user selectable in place of full field color bars)

-SMPTE EG-1-1990 color bars with "pluge" pattern

-Multiburst of .5, 1.0, 2.0, 3.0, 3.58, and 4.2 MHz and reference bars

-5 MHz line frequency sweep with 1.0, 2.0, 3.0, and 4.0 MHz markers

-NTC-7 composite

-5-step gray scale

-Modulated 5-step gray scale

-Pulse and bar with window and modulated pulse

-Red field

-Convergence pattern 14H x 17V, center dot/lines, safe action

-Monitor setup matrix of convergence, color bars, I/Q with pluge, 5-step gray scale

  • Fully RS-170A SC/H phased and always correct. Neverrequires adjusting.
  • Built-in timer can automatically switch video outputfrom video pattern to black and audio tone to silence after 30 to 60 seconds.Makes it easy and convenient to produce tape leaders of color bars and tonefollowed by black and silence.
  • Video signals generated by the TSG-50 are inaccordance with industry standard EIA RS-170A video timingspecification
  • Convenient pattern selection by 12 position frontpanel rotary switch
  • Generates oscilloscope trigger output signal one Hline before start of color field 1
  • Includes crystal controlled, 1KHz/400Hz, 0dB audiotone output
  • Outputs: video, composite sync, 15 Hz ref frame,1KHz/400Hz, 0dB audio tone (unbalanced)
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