The CCPIP Input Card
Channel One Controls
VR8
Adjusts common mode rejection for balanced input on
Channel 1.
VR1
Adjusts DC offset of Channel 1 of input card (measured at Pin
7 of U4)
VR3
Adjusts the Channel 1 soft clip circuit:
~ 15V (CW) No Clip
~8V (Center) Minimum Clip
0V (CCW) Max. Clip
VR10
Adjusts DC offset of Channel 1 of amplifier (measured at
output of amplifier). Should be adjusted if gain of amplifier is
changed.
JMPCC1
CV
- Puts Channel 1 in Constant Voltage Mode
CC
- Puts Channel 1 in Constant Current Mode
(CC or CV must be jumped for channel to operate)
CC1
- Constant Current compensation 1 for Channel 1
connects C 23 and R55
CC2
- Constant Current compensation 2 for Channel 1
connects C27 and R59
NOTE: C18 (Ch.1) C19 (Ch.2) - In parallel with
compensation, controls stability and bandwidth when in
Constant Current Mode
Channel 2 Controls:
VR9
Adjusts common mode rejection for balanced input on
Channel 2
VR2
Adjusts DC offset of Channel 2 of input card
(measured at Pin 7 of U3)
Page 12
Summary of Contents for LVC 5050
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