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【简答题】
模拟锁相环路频率合成器是采用（）降频。
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举报参考答案：
举一反三
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
situation
B.
occasion
C.
instant
D.
time
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
numbers
B.
sums
C.
columns
D.
amounts
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
opens
B.
turns
C.
reads
D.
holds
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
book
B.
page
C.
copy
D.
message
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
pleasure
B.
sports
C.
s
D.
fans
【单选题】Computers have many uses today. Computers can solve difficult 【B1】 and control complex machines. Many people use small computers 【B2】 calculators to add, subtract, multiply, and divide 【B3】 quickly. S...
A.
questions
B.
problems
C.
puzzles
D.
exams
【单选题】音乐合成器是__________。
A.
完成各种信号的记录和播放任务
B.
负责将数字音频波形数据或MIDI消息合成为声音
C.
完成许多处理工作，如压缩和解压缩、改变采样频率、解释MIDI指令等
D.
将不同途径，如话筒或线路输入、CD输入的声音信号进行混合
【单选题】VHF收发信机频率合成器失锁时，频率合成器中最大可能故障是（）
A.
逻辑单元
B.
VCO放大器
C.
LPF
D.
鉴相器
相关题目：
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
situation
B.
occasion
C.
instant
D.
time
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
numbers
B.
sums
C.
columns
D.
amounts
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
opens
B.
turns
C.
reads
D.
holds
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
book
B.
page
C.
copy
D.
message
【单选题】Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. S...
A.
pleasure
B.
sports
C.
s
D.
fans
【单选题】Computers have many uses today. Computers can solve difficult 【B1】 and control complex machines. Many people use small computers 【B2】 calculators to add, subtract, multiply, and divide 【B3】 quickly. S...
A.
questions
B.
problems
C.
puzzles
D.
exams
【单选题】音乐合成器是__________。
A.
完成各种信号的记录和播放任务
B.
负责将数字音频波形数据或MIDI消息合成为声音
C.
完成许多处理工作，如压缩和解压缩、改变采样频率、解释MIDI指令等
D.
将不同途径，如话筒或线路输入、CD输入的声音信号进行混合
【单选题】VHF收发信机频率合成器失锁时，频率合成器中最大可能故障是（）
A.
逻辑单元
B.
VCO放大器
C.
LPF
D.
鉴相器
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