4.6.4 Other Sub Systems
4.6.4.1 Power Supply
Filtered and Linear regulated supplies
4.6.4.2 NCO (Numerically Controlled Osc.)
Provides calibration signal to FEs for ADC calibration and External
clock calibration
125 MHz
3.3 to 5V
Translator
Control
3.3 to 5 V
Translator
From HTB645
Synchronous
with 10GHz
Digital control
From AAC
Digital Direct
Synthesizer
fout = Fin*(N/M)
Filter centered at 32MHz
Output
On / Off
RF CAL CH1
RF CAL CH2
RF CAL CH3
RF CAL CH4
RF CAL Ext
Figure 4-18 Cal Clock Block Diagram
4.6.4.3 10GHz Clock
Generates 10GHz system clock from 10MHz oscillator. 10GHz piped
thru system using semi-flex (ADCs and HTB)
Theory of Operation 4-19
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