Chapter 2: ADC-6880 Analog to AES/EBU Digital Audio Converter
Configuration
22
6800/7000 Series - Audio and Video Multi/Demultiplexing Products Installation and Operation Manual
Gain
Gain adjustments
R113
(left channel) and
R15
(right channel) provide
approximately ± 2 dB of gain on each channel. This allows the output
digital signal level to be matched to a known analog input level from a
test generator.
Figure 2-4.
Card-Edge View
R15 and R113 are
multi-turn
potentiometers
used to
adjust gain.
R21 and R125 are multi-turn
potentiometers used to adjust
common mode rejection.
These are factory set
and adjustment is
not normally required.
R15
R21
SW3
SW2
AUTO
INT
EXT
48 kHz
44.1 kHz
Gain Adjust
Right Channel
Green LED
Red LED
Yellow LED
Green LED
Green LED
PWR
REF ERR
EXT REF
44.1 kHz
48 kHz
Gain Adjust
Left Channel
R125
R113
SW1
Reset
Button