Sony SSC-DC50A Brochure & Specs page 2

EXWAVE HAD DSP COLOR VIDEO CAMERA
SSC - DC50A/
SSC - DC54A
THE DIFFERENCE IS EXWAVE HAD CCD SENSOR
In monitoring and surveillance applications,
camera sensitivity is one of the most important
factors in obtaining an adequate picture in low
light conditions. In addition to this requirement
for high sensitivity, low smear levels are necessary,
especially for surveillance of transportation and
parking areas, where bright headlights of vehicles
can be a problem. Because of the importance of
these factors, Sony has developed the EXWAVE HAD
CCD sensor.
HIGHER SENSITIVITY
The sensitivity of the SSC-DC50A/SSC-DC54A is
well over twice that of the current SSC-DC50/
SSC-DC54 surveillance cameras. The conventional
Sony Hyper HAD ® sensor structure has an OCL
(on chip lens) located over each pixel. The result
is that light is concentrated on the photosensor
areas and the sensitivity of the camera is
improved. The EXWAVE HAD CCD takes the Hyper
HAD sensor technology a giant step further. The
OCL of the EXWAVE HAD CCD is a nearly gap-less
structure, eliminating the ineffective areas
between the microlenses. This enables the hole
accumulated layer to receive the maximum
amount of light (See Fig. 1).
LOWER SMEAR
Smear is caused by the leakage of unwanted light
on to the vertical shift register. The smear level of
the EXWAVE HAD CCD is reduced to 1/50th that of
the Hyper HAD CCD. This leakage is dramatically
reduced because the improvement of the unit cell
structure minimizes the unnecessary reflection of
the light onto the CCD surface.
Fig. 1
EXCELLENT PICTURE QUALITY
With the high resolution of 470 TV lines and
excellent sensitivity of 0.8 lux (F1.2, 50 IRE,
Turbo Gain ® AGC ON), the SSC-DC50A/
SSC-DC54A captures high quality images in
extremely low light situations. A further benefit
of the EXWAVE HAD sensor technology is that
dark current noise is reduced to provide a very
high signal-to-noise ratio of 50 dB.
Y/C VIDEO OUTPUT CAPABILITY
As well as outputting a composite signal via a
BNC connector, SSC-DC50A/SSC-DC54A cameras
have a Mini DIN 4-pin connector which provides
a Y/C output signal. This feature allows these
cameras to fit into a wide range of systems and
take advantage of the clearer pictures available
with separate luminance and chrominance signals.
ADVANCED TURBO GAIN AGC
SSC-DC50A/SSC-DC54A cameras are equipped
with a powerful AGC (Auto Gain Control) function,
Turbo Gain AGC. This advanced function can
improve sensitivity more flexibly and effectively
than conventional AGC by controlling the video
gain over a range that is increased from 0 - 18 dB
to 0 - 24 dB. Thus a subject under very low
illumination can be distinguished more clearly,
with excellent color reproduction.
SMART CONTROL - FULL AUTOMATIC
BACKLIGHT COMPENSATION (BLC)
Strong backlighting can often cause the subject of
the picture to be cast into shadow. To overcome
this problem, SSC-DC50A/SSC-DC54A cameras
have Smart Control compensation which achieves
the optimum balance between Iris and Gain settings