907-0601-00 Rev. C Model 907 Video/Data Multiplexer – User’s Guide
Focal Technologies Corp. Page 5-7
5.5 907-ADC (8-Channel 8/12 bit ADC Card)
The 907-ADC expansion card shown in Figure 5-5 is an analog-to-digital converter card. It takes up to eight
channels of differential analog inputs, and digitizes the signals (maximum of 1 VDC differential voltage) with
8 bits of amplitude resolution at a sampling rate of 160 kHz (maximum of 50 kHz signal bandwidth).
All channels are sampled simultaneously to minimize channel-to-channel skew. Switch SW1 is used to
configure which inputs are active, i.e. the inputs can be configured such that all 8 channels are active
(8 x 8-bit) or channels 1 through 6 are active (6 x 12-bit). The card may be factory configured for 12-bit
resolution.
Figure 5-5: 907-ADC Expansion Card
Switch SW1 is also used to set the backplane data port used by the 907-ADC card. Ports 1, 3 or 5 are
available. The default setting is data port #1.
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