參數(shù)資料
型號: 4036FY5
元件分類: 復(fù)位半導(dǎo)體
英文描述: 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit
中文描述: 4036系列數(shù)據(jù)表|射頻調(diào)諧器模塊:
文件頁數(shù): 8/16頁
文件大小: 425K
代理商: 4036FY5
4036 FY5 RF F
RONTEND
M
ODULE
3
X
1981, 3
X
1223, 3
X
7686
D
ATA
S
HEET
PC/TV M
ULTIMEDIA
A
PPLICATIONS
3X 1981ED Revision: 03
May 01
Page 8 of 16
1981_03.DOC
P
Table 8
Address Selection
MA1
MA0
A
DDRESS
V
OLTAGE AT
P
IN
11
0
0
C0
(0 to 0.1) VS1
0
1
C2
(0.2 to 0.3) VS1 or open
1
0
C4
(0.4 to 0.6) VS1
1
1
C6
(0.9 to 1) VS1
Table 9
Oscillator Frequency and Divider Byte Calculation
RSA
RSB
R
EFERENCE
D
IVIDER
M
IN
. T
UNING
S
TEP
FREF
1
1
512
62.5 kHz
7.8125 kHz
X
0
640
50.0 kHz
6.25 kHz
0
1
1024
31.25 kHz
3.90625 kHz
Use the following formula to calculate oscillator frequency and divider byte.
fosc = fref
×
8
×
SF
Where:
fosc = Local oscillator frequency
fref = Crystal reference frequency
÷
512 = 4 MHz
÷
512 = 7.8125 kHz
SF = Programmable scaling factor
Scaling factor is SF
= 16384
×
n14 + 8192
×
n13
×
4096
×
n12 + 2048
×
n11 + 1024
×
n10 + 512
×
n9 + 256
×
n8 + 128
×
n7 + 64
×
n6 + 32
×
n5
+ 16
×
n4 + 8
×
n3 + 4
×
n2 + 2
×
n1 + n0
Table 10
Control Byte 1 Settings (Default)
MSB
LSB
Control byte 1
1
0
0
0
1
1
1
0
A
Table 11
Control Byte 2 (Band Selection)
B
AND
A
CTIVE
P
ORT
P7
P6
P5
P4
P3
P2
P1
P0
VHF Low
P7, P5
1
0
1
0
0
X
X
X
VHF High
P7, P4
1
0
0
1
0
X
X
X
UHF
P5, P4
0
0
1
1
0
X
X
X
Note:
X = not used
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