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Page 20

Operation Mode

TM-250 Miniature CCD Camera

FIGURE 11. High-Speed Cyclic Shutter Mode Timing

5.1.3 Trigger Position Reset/Restart Shutter Mode

The shutter trigger pulse (TRIG) needs to synchronize with Reset-Restart (EXT VD) pulse. It should be

2 lines or more in width. The leading edge of TRIG pulse produces DSUB (discharge) pulse and starts

the exposure. The transfer (read-out) occurs at the 11th line after EXT VD pulse is fed. A full picture

ﬁeld can be obtained in every ﬁeld. The TRIG must be wider than one line.

Video Out

Internal VD

DSUB pulse

Transfer

Exposure

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Pulnix TM-250 Bedienerhandbuch Seite 26