On-Chip Amplifier 3.
OD
OS
RD
R
SW
Output
Node
Output
Transistor
Reset
Transistor
Summing
Well
+5V
0V
-5V
+10V
0V
R
SW
--end of
serial register
Vout
Vout
This action is known as the ‘charge dump’
The voltage step in Vout is as much as
several mV for each electron
contained
in the charge packet.
The charge
is then transferred onto the output node. Vout now steps down
to the ‘Signal level’
