Vectorscopes

Manufacturer Tektronix Videotek Model Number 528A 1480 series 1750 series 1740 series 17108 TSM-51

Display size .8x10cm 8x10cm 8x10cm 8x10cm 8x10cm 8.3x10.3cm Graticule type Internal Internal & external Internal Internal & external Internal Internal Color standards NTSC/PAL(-M)/SECAM NTSC/PAL(-M)/SECAM NTSC/PAL NTSC/PAL(-M) NTSC/PAL NTSC/PAL(-M) Calibrator Yes Yes Yes Yes Yes Vertical response Flat/IRE/chroma Flat/IRE/chroma Flat/IRE/chroma Flat/IRE/chroma Flat/low-pass Flat/tRE/chroma dill gain low-pass/diff gain diff gain Horizontal time base 2H/2H/2H mag/ 1H /2H/1V/2V/2H 1H/2H/1V/2V/2H 1H/2H/1V/2V/1H/2H2H/2V/2H mag/ 1H/2H/2V/2H mag 2V mag 2V mag mag 2V mag mag 2V mag 2V mag 2V mag Magnifications .20X 5X/10X/20X/25X/50X10X/20X/50X 10X/20X 10X 5X RGB/YRGB parade ..Yes Yes Yes Yes No Yes dc restore/clamp Back porch Back porch or sync Back porch & sync Back porch & sync Back porch Back porch VITS line select No Any & groups of 16 8-23 or any by remote Internal switching No Lines 14-21 Programmable control . No No All functions All functions No No Line strobe output No Yes Yes No No No

Video inputs . . A & B A & B A & B A & B A & B A & B

Test probe input . No Yes No No No No Other functions - Vectorscope No No Yes Yes Burst phase No Oscilloscope No No SC/H phase test No No No Waveform comparison No Yes No No No No Packaging Bench case, 2 -wide Bench case, rack Bench case, 2 -wide Bench case, 2 -wide Bench case, 2 -wide Bench case, 2 -wide rack rack rack rack rack Portable unit No No 30 lb w/ battery 20 lb w/ battery No Operating time 3 hours w/ 12Vdc 4 hours w/ 23Vdc No battery Reader Service Number 452 453 454 455 456 457

Vectorscopes

This monitoring and measuring equipment ascertains interrelationships between color irtormation and the composite video signal.

Manufacturer Electronic Visuals Electroimpex Hitachi Denshi Leader Instruments Model Number EV4021 EV4061 TR-1867/H024 V-089 LVS-5850

Display size 51/2" diameter 51/2" diameter 8x10cm 31/2" diameter 8x10cm Graticule type Internal External External Generated Other functions - Waveform monitor No Yes No No No Test oscilloscope No No No No No

Color standards .. . NTSC/PAL-M NTSC/PAL PAL/SECAM NTSC NTSC/ PAL Calibrator ... No No Frequency counter Yes Yes Video inputs A & B A & B One A & B A & B Subcarrier input . Yes No One Yes Yes Sync input Yes Yes No No Display reference to A. B or external A, B or external Internal or external A or B A or B Measurement range - Diff gain 1% 1% 1% Diff phase .. 1° 1° 2° 1° VITS line selection No No No No Through WFM Luminance display of No luminance Y component Y -T No luminance No luminance Packaging Bench case, 2 -wide rack Bench case, 2 -wide rack Bench case, rack Portable Bench case, 2 -wide rack Weight (portable) 13.2 lb (6kg) 14 lb w/ battery 13.2 lb Operating time >2 hours Reader Service Number 436 437 438 439 440

Manufacturer Philips T&Ml System Video Tektronix Videotek Model Number PM5567 Model 1255 R520A series 1420 series VSM-5A

Display size 8x10cm 10x10cm 5" diameter 5" diameter 3.125" diameter Graticule type . Internal Internal Internal & external Internal Internal Other functions -

Waveform monitor No x -y display Partial No No Test oscilloscope No No No No No Color standards NTSC/PAL NTSC/PAL/PAL-M NTSC/PAL(-M)/SECAM NTSC/PAL(-M) NTSC/PAL

Calibrator . Yes Yes Yes No Yes Video inputs .... A & B A & B A & B A & B A & B Subcarrier input Or color black Yes Yes Yes Yes Sync input No Yes Yes No No Display reference to A. B or external A. B or external A. B or external A. B or external A or B Measurement range -

Diff gain . 20% 2% 10% 10% 10% Dill phase .10° 2° 10° 10° 10° VITS line selection No No Lines 15 to 21 No No Luminance display of No luminance No Y/1/0/R/G/B No luminance Y/I/0 Packaging Bench case. 2 -wide track Bench case, 2 -wide rack Bench case. rack Bench case. 2 -wide rack Bench case, 2 -wide rack Weight (portable) 22 lb Operating time Reader Service Number 441 442 443 444 445

Spec Note: Performance specs are not directly comparable because of variations in references used by manufacturers in determining those specifications' values. Equipment performance should be discussed with the manufacturers' representatives before making final decisions.

240 Broadcast EngineeringFall 1985