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No. 2D730-148E*O
(5)
Comparison
with the PV series
Circuit block
in the RCB
RXBF
RTC
Diagnostic Circuit
Analog Control
Clock Generation
Corresponding
board
n the PV series
?PG
T&R-CONT
T&R-CONT
T&R-CONT
'art of DEMOD
Clock generation
section of DEMOD
Main differences
[Number of chs]
128 (SSA-390A) + 192
[Hardware size]
Eight DBFs (maximum) + one RCB
[Data output method for parallel simultaneous
reception]
Time-sharing
output is performed in the DBF.
However, parallel output is performed
in the RCB
and thus the signal band width does not decrease.
[Hardware size]
Only two types of ICs (FPGA and SRAM) are used in
the Aplio
[Measurement
of voltages]
A measurement
system is not provided with the PV
series. In the Aplio, various voltages can be
measured.
[Bias point control]
The bias between the preamplifier and AD converter
is fixed in the PV series. In the Aplio it can be
controlled by the VMD.
[Crystal oscillator frequency]
240 MHz + 160 MHz
[System clock frequency]
20 MHz + 40 MHz
(The sampling frequency is the same in both systems
(40 MHz).)
4-15
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