Hitachi BE-IR30 Camera Accessories User Manual


 
10. External sync (BE-IR31)
BE-IR30 / 31
13
Supply sync signals (HD and VD) for BE-IR31 operation. Refer to connection on page 12.
z Horizontal and vertical drive signal inputs
HD EIA: f(H) = 15.734 kHz 1 %
VD EIA: f(V) = 59.94 Hz (f(V) = f(H) 262.5)
z Input level
HD 4 to 6 Vp-p negative
VD 4 to 6 Vp-p negative
z Input impedance 1 k
HD
VD
T=1/f(H)
z Vertical drive signal (VD)
z
Horizontal drive signal (HD)
Set HD and VD fallings edges to the same phase (0 ± 5 µs)
z HD and VD phase relationship
z
Drive signal input waveform
Approx. 6.7µs
4 6Vp-p
Approx. 0.6ms
4 6Vp-p
T=1/f(V)