參數(shù)資料
型號(hào)： UPD17006AGF-011
廠商： NEC Corp.
英文描述： LJT 46C 40#20 4#16 2#8(COAX)
中文描述： 4位單片機(jī)帶預(yù)分頻器的微控制器，鎖相環(huán)頻率合成器，如果汽車調(diào)頻，兆瓦，和LW收音機(jī)計(jì)數(shù)器
文件頁(yè)數(shù)： 45/72頁(yè)
文件大小： 677K
代理商： UPD17006AGF-011
45
μ
PD17006AGF-011
G
AF operation 2 start condition
The electric field intensity of the broadcast currently being received is input from the S-METER
pin (pin 5), and the data error level is input from S-QUALITY pin (pin 6). These values are
converted into digital values, which are classified as follows:
A/D value of signal meter L
≤
48H < M
≤
80H < H
A/D value of signal quality L
≤
50H < H
Caution When the signal quality is not used, fix the S-QUALITY pin (pin 6) to the low level.
Depending on the combination of the classified signal meter and signal quality values, the
following AF operation is performed:
When initial setting diode DEV.SEL = 0 (DEV.LEVEL is ignored)
H
L
Signal Meter
H
A
A
M
A
B
L
B
C
When initial setting diode DEV.SEL = 1 (DEV.LEVEL is used)
H
L
Signal Meter
H
A
D
M
D
D
L
B
C
A :
B :
C :
D :
AF operation is not performed.
AF operation 2-1 is performed.
AF operation 2-2 is performed.
AF operation 2-1 is performed if DEV.LEVEL (pin 74) outputs a low level and if 5
seconds or more has passed since the previous AF selection operation.
(c) AF operation 2-1
When initial setting diode AFSEL = 0
The AF of each station is changed every 5 seconds. If changing the AF fails, the original station
is retained.
When initial setting diode AFSEL = 1
The AF of each station is changed at time intervals of 1 to 30 seconds generated at random.
If changing the AF fails, the original station is retained.
Signal Quality
Signal Quality
相關(guān)PDF資料
PDF描述
UPD17006AGF-011-3B9 Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No
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參數(shù)描述
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