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ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
74HCT241, 74LS126
Frequency
Control Data
External Reference
MC145220
Out A, Out B,
Lock Detect
MC145220EVK
6
Freescale Semiconductor, Inc.
Buffer Logic
10.01 MHz TCXO
14.4 MHz TCXO
PD out
Loop Filter
PLL
F in
Single Loop Output
733-743 MHz
Figure 1. Evaluation Kit Block Diagram
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REF in
VCO
VCO
733 - 743 MHz
790 - 820 MHz
LO
RF
IF
Fc = 80 MHz
(f - f)
Amplifier
Logic Control Switches
Parallel Port Connector
Loop Filter
MC145220
Single Loop Output
790 - 820 MHz
Dual Mode Output
60 - 80 MHz
PLL
F in
MOTOROLA
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