SenTech STC-A33A Manual de usuario descargar pdf (Pagina 7)

STC-A33A

II. Input / Output Signal Specifications

A. Input Signal Specifications

1. External Sync Signals

a. Signal Level: 2.0 to 5.0 Vp-p

b. Termination Impedance: 75 / 10k Ω (Switch Selectable)

c. Signal Polarity: Negative

d. External HD / VD signal input phase tolerance: +/- 8.0 µseconds at 30fps

+/- 4.0 µseconds at 60fps

+/- 2.6 µseconds at 90fps

e. Pulse Width: HD: 3.20 +/- 1 µseconds (Low Level)

VD: 4 to 13H (Low Level)

f. Frequency Tolerance of HD Signal: 15. 734 kHz +/- 1% at 30 fps

31.468 kHz +/- 1% at 60 fps

47.674 kHz +/- 1% at 90 fps

2. Trigger Signal

a. Signal Level: Low Level: 0 to 0.5 Vp-p

High Level: 4.0 to 5.0 Vp-p

b. Termination Impedance: 10k Ω

c. Signal Polarity: Rising edge (Positive) / Falling edge (Negative)

(Switch Selectable)

d. Pulse Width: 2 µseconds to 250 mseconds

2-5Vp-p

4～5V

0～0.5V

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SenTech STC-A33A Manual de usuario Pagina 7