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Comtech EF Data DT-4500 Series User Manual

Page 101

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DT4500 Series Down Converters

MN/DT4500.IOM

Theory of Operation

Revision 1

83

I/O MODULE

CONVERTER

SIGNAL PATH

MODULE

POWER SUPPLY

5/10 MHz

REF. OSC.

RF INPUT

(12200-12750 MHz)

IF OUTPUT

(70 or 140 MHz)

MONITOR

&

CONTROL

OSC

OSC.

SYNTHESIZER

Figure 34. Typical Converter Functional Block Diagram (Model UT-4512 shown)

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