| 摘要 |
PCT No. PCT/GB93/00768 Sec. 371 Date Jan. 13, 1994 Sec. 102(e) Date Jan. 13, 1994 PCT Filed Apr. 13, 1993 PCT Pub. No. WO93/21696 PCT Pub. Date Oct. 28, 1993An electrical network emulates the transmission characteristics of a video signal cable, allowing tests to be made as to the length to which the cable may be extended before video signal degradation occurs. The preferred embodiment emulates a Beldon TM 8281 coaxial cable, used for the transmission of serial digital video signals, and comprises four sections. The sections are arranged to emulate cable lengths of 25 meters, 50 meters and 200 meters. |
