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零件编号
产品描述 (功能)
MC14569B 查看數據表(PDF) - ON Semiconductor
零件编号
产品描述 (功能)
生产厂家
MC14569B
Programmable Divide−By−N Dual 4−Bit Binary/BCD Down Counter
ON Semiconductor
MC14569B Datasheet PDF : 14 Pages
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MC14569B
TYPICAL APPLICATIONS
f
in
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
f
out
Figure 3. Cascading MC14568B and MC14522B or MC14526B with MC14569B
(40 kHz)
V
SS
PC
in
PC
out
C1
G
CT1
F
0"
Q1/C2
PE
DP0 − − − − DP3
V
SS
V
SS
Q
CF
MC14569B C
ZERO DETECT
VCO
MC14011
f
out
(144 − 146 MHz)
V
DD
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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