Explanation Of Camera Circuit; Present Aw / Ae Control System - JVC GR-DVA10 Technical Manual

2.3 EXPLANATION OF CAMERA CIRCUIT

2.3.1 Present AW / AE control system

The signal-processing block of the present camera system is composed as shown below (Fig. 2-3-1)
I R S E N S O R
∗ 1 Iris control
∗ 2 Shutter speed setting
∗ 3 Analog amp gain (AGC gain)
∗ 4 WB setting (RED gain, BLUE gain)
∗ 5 Parameter for picture compensation (color reproducibility, S/N ratio...)
A G C
C C D
∗3
T G
D R I V E
∗1
∗2
IRIS DRIVE
Fig. 2-3-1 Camera block configuration
L P F
A/D
2-7
Y
G C A
R
G
G C A
B
∗4 ∗5
C A M E R A C P U
Y
C