https://wiki.everycrt.com/index.php?action=history&feed=atom&title=Prime_Image_50II 2026-08-02T01:53:43Z Revision history for this page on the wiki MediaWiki 1.43.6 https://wiki.everycrt.com/index.php?title=Prime_Image_50II&diff=9151&oldid=prev 2026-03-05T14:21:12Z

<p>Create Prime Image 50II TBC/frame sync AV device page (via create-page on MediaWiki MCP Server)</p> <p><b>New page</b></p><div>{{AV device<br /> |brand=Prime Image<br /> |model_code=50II<br /> |device_type=Time base corrector<br /> |av_system=NTSC,PAL<br /> |frequency=50Hz,60Hz<br /> |features=Full-frame TBC and frame synchronizer; NTSC (525-line) and PAL (625-line) support; 8-bit luma and chroma (CCIR-601, 4:2:2); 5.5 MHz bandwidth; 58 dB SNR; transcoding between composite, Y/C (S-Video), and Y/R-Y/B-Y component; AGC (on/off); vertical color advance (1, 2, or 3 lines); horizontal chroma-to-luma adjustment; detail enhancement (3 levels); ultra-stable freeze (frame or field); variable rate strobe; proc amp with video level, chroma, hue, and setup controls; composite auto-bypass if AC power or power supply fails; optional RS-232 interface (25-pin D); optional 3/4 DUB cable accessory<br /> |description=The Prime Image 50II (also marketed as the TBC/Freeze II) is a professional digital time base corrector and frame synchronizer for composite and Y/C (S-Video) video signals. It supports both NTSC (525-line) and PAL (625-line) operation, as well as PAL-M.<br /> <br /> The unit provides full transcoding between composite, Y/C, and Y/R-Y/B-Y component signals, with each input independently adjustable through the front panel processing amplifier. Digitization is performed at 8-bit precision conforming to CCIR-601 (4:2:2). At 5.5 MHz bandwidth it offers improved high-frequency response compared to earlier Prime Image TBC designs.<br /> <br /> Features include AGC (switchable on/off), vertical color advance selectable at 1, 2, or 3 lines, horizontal chroma-to-luma timing adjustment, and three-level detail enhancement. The unit supports ultra-stable freeze (frame or field) and variable rate strobe. A composite auto-bypass is provided in case of AC power or power supply failure.<br /> <br /> An optional RS-232 interface (25-pin D connector) is available for external control. A 3/4 DUB cable option (designated &quot;-C Cable&quot;) is available for connecting 3/4-inch U-matic color-under decks.<br /> <br /> The 50II occupies a single rack unit (1U) in a standard 19-inch rack.<br /> }}<br /> <br /> {{AV TBC<br /> |type=Line TBC<br /> |buffer_size=525 lines (NTSC) / 625 lines (PAL)<br /> |notes=8-bit luma and chroma (CCIR-601, 4:2:2); 5.5 MHz bandwidth; residual time base error ±15 ns; SNR 58 dB<br /> }}<br /> {{AV TBC<br /> |type=Frame synchronizer<br /> |buffer_size=Full frame (525 or 625 lines)<br /> |notes=Freeze frame, freeze field; variable rate strobe; auto bypass on power failure<br /> }}<br /> {{AV input<br /> |label=Composite<br /> |signal=Composite (CVBS)<br /> |connector=BNC<br /> |count=1<br /> |audio=None<br /> |location=rear<br /> |notes=1.0 Vpp, 75 Ω<br /> }}<br /> {{AV input<br /> |label=Y/C<br /> |signal=S-Video (Y/C)<br /> |connector=Mini-DIN-4<br /> |count=1<br /> |audio=None<br /> |location=rear<br /> }}<br /> {{AV input<br /> |label=Component<br /> |signal=Component (YPbPr)<br /> |connector=BNC<br /> |count=1<br /> |audio=None<br /> |location=rear<br /> |notes=Y/R-Y/B-Y component; three BNC connectors for one logical component connection<br /> }}<br /> {{AV input<br /> |label=Genlock In<br /> |signal=Composite (CVBS)<br /> |connector=BNC<br /> |count=1<br /> |audio=None<br /> |location=rear<br /> |notes=Hi-Z, 75 Ω; external reference for genlock<br /> }}<br /> {{AV output<br /> |label=Composite<br /> |output_type=Video<br /> |signal=Composite (CVBS)<br /> |connector=BNC<br /> |count=1<br /> |location=rear<br /> |notes=1.0 Vpp, 75 Ω<br /> }}<br /> {{AV output<br /> |label=Y/C<br /> |output_type=Video<br /> |signal=S-Video (Y/C)<br /> |connector=Mini-DIN-4<br /> |count=1<br /> |location=rear<br /> }}<br /> {{AV link<br /> |link_type=Manufacturer<br /> |link_source=Prime Image<br /> |link_url=https://web.archive.org/web/19990127090456/http://www.primeimageinc.com/50II_SPEC.htm<br /> }}<br /> {{AV link<br /> |link_type=Manufacturer<br /> |link_source=Prime Image<br /> |link_url=https://web.archive.org/web/20070212064752/http://www.primeimageinc.com/products.php?viewprod=6<br /> }}<br /> <br /> [[Category:Prime Image AV devices]]<br /> [[Category:Time base correctors and frame synchronizers]]</div>

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