Specifications

5/9/13 888-2857-001 4-13
WARNING: Disconnect primary power prior to servicing.
Section 4 Theory of Operation
Platinum VAX-C Series
Figure 4-5 DAC PLL (1st LO)
Table 4-2 DAC Clock Frequencies
Modulation DAC Clock Freq. Offset Freq.
ATSC 430.489 MHz 32.378 MHz
DVB-T/H 438.857 MHz 30.286 MHz
ISDB-T 445.823 MHz 28.544 MHz
DMB-T 453.600 MHz 26.600 MHz
NTSC/PAL 436.800 MHz 30.800 MHz
DAB 409.600 MHz 37.600 MHz
Frequency
Divider
and
Phase
Detector
Low Pass
Filter
VCO
Resistive
Divider
J2, LO-1 Output
To Signal Processor
Board
10 MHz Reference Input
Reference From Ref. Osc.
54 MHz from Signal
Processor Board