HD3G7 module theory of operation
Figure 11-1: Simplified block diagram of the HD3G7 module
Power supplies
There are three switching supplies, and several linear supplies in the module.
Most of the power for the module comes in as 5 V and is converted to the voltage
needed by the switching supplies. Themainframesuppliesasmallamountof
3.3 V
for the processor interface, but the bulk of the 3.3 V used on the board
is produced by the switching supply.
The
re are also 1.8 V and 1.2 V supplies, which are used for the memory and
FPGA cores.
TG8000 Multiformat Test Signal Generator Service Manual 11–11