Gain Control; Sensor Conversion Gain; Analog Base Gain - IAI WA-1000D-CL User Manual

Monochrome
™ White defects can be recorrected.
™ Black defects cannot be redetected.

Gain Control

The following three gain functions are available on the camera.

• Sensor conversion gain

• Analog base gain

• Analog fine gain
■ Sensor conversion gain
Sensor conversion gain (SCG) is InGaAs sensors' internal gain.
Settings for ch1 and ch2 can be configured individually from an external source, and the amount of
gain can be adjusted via different combinations of 3-bit setting values.
Cfa
1
1
1
1
* Sensitivity (all scaling values are TYP values)
■ Analog base gain
Analog base gain (ABG) is gain that is performed prior to the video signal output from the sensor
passing through the CDS circuit.
Settings for ch1 and ch2 can be configured individually from an external source. The gain steps can
be configured to one of four levels.
When the gain level is low, the video output may not be saturated in some cases. Therefore, check
whether the video is saturated whenever you change the settings.
AnalogBaseGain setting value
* Sensitivity (all scaling values are TYP values)
Defective pixel
The defective pixel is corrected using the average value
between the pixels to the immediate left and right.
Configuration bit
Cfb
0
1
0
1
0
1
2
3
Cfc
0
0
1
1
(WA-1000D-CL default setting)
(WAHA-1000D-CL default setting)
̶ 30 ̶
WA-1000D-CL
Scaling*
3.5
1
(default setting)
0.25
0.05
Scaling*
-6 dB ± 1 dB
-3 dB ± 1 dB
0 dB ± 1 dB
3 dB ± 1 dB