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MC14569B
TYPICAL APPLICATIONS
fin
C
CF
Q
MC14569B
ZERO DETECT
CF
C MC14522B Q4
OR
PE MC14526B 0"
CF
C MC14522B Q4
OR
PE MC14526B 0"
Q1/C2
MC14568B
PE
0"
DP0 − − − − − − DP3
DP0 − − − − − − DP3
DP0 − − − − − − DP3
LSD
MSD
fout
Figure 3. Cascading MC14568B and MC14522B or MC14526B with MC14569B
(40 kHz)
VSS
PCin
PCout
C1
G
CT1
F
0"
Q1/C2
PE
DP0 − − − − DP3
VSS
VSS
Q
CF
MC14569B C
ZERO DETECT
VCO
MC14011
fout
(144 − 146 MHz)
VDD
MIXER
2k
Frequencies shown in parenthesis are given as an example
2M
CRYSTAL
OSCILLATOR
(143.5 MHz)
Figure 4. Frequency Synthesizer with MC14568B and MC14569B Using a Mixer
(Channel Spacing 10 kHz)
http://onsemi.com
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