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參數(shù)資料
| 型號： | HWB1151 |
| 廠商： | Intersil Corporation |
| 英文描述： | () |
| 中文描述： | （） |
| 文件頁數(shù)： | 11/13頁 |
| 文件大?。?/td> | 135K |
| 代理商： | HWB1151 |
11
Example for synthesizer (HFA3524A or HFA3524) programming CH1 (RF and IF), 44MHz Clock, 1MHz steps.
IF R Counter
(Read in MSB First, IFR =1802C0h)
R16 = 1 --> IF positive
R17 = 0 --> Low current
R18 = 0 --> D
OUT
IF normal operation
R19 = 0, R20 = 0 --> F
O
/LD disable
IF N Counter
F
VCO
= [(P x B) + A] x 44MHz/R <-- see IF R counter set up for “R” value.
IF
VCO
= [(16 x 023h) + 0] x 44MHz/(2Ch) = 560MHz
N19 = P = 1 --> /16
N20 = 0 = IF powered
RF R Counter
(Read in MSB First, RFR = 1802C8h)
R16 = 1 --> RF positive
R17 = 1 --> High current
R18 = 0 --> D
OUT
RF normal operation
R19 = 0, R20 = 0 --> F
O
/LD disable
RF N Counter
F
VCO
= [(P x B) + A] x 44MHz/R
RF
VCO
= [(32 x 42h) + 14h] x 44MHz/(2Ch) = 2.132GHz
N19 = P = 0 = /32
N20 = 0 = RF powered
Please check synthesizer technical data sheet (HFA3524A or HFA3524) [7] for more information.
LSB
MSB
0
0
0
0
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
C1C2
R
16 17 18 19 20
LSB
MSB
1
0
0
0
0
0
0
0
0
1
1
0
0
0
1
0
0
0
0
0
1
0
C1C2
A
B
P, 20
LSB
MSB
0
1
0
0
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
C1C2
R
16 17 18 19 20
LSB
MSB
1
1
0
0
1
0
1
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
C1C2
A
B
P, 20
TABLE 4. IEEE 802.11 OPERATING CHANNEL FREQUENCIES
CHANNEL ID
FCC/IC CHANNEL
FREQUENCIES
(U.S.A./CANADA)
MKK CHANNEL
FREQUENCIES
(JAPAN)
ETSI CHANNEL
FREQUENCIES
(EUROPE)
FRENCH
CHANNEL
FREQUENCIES
SPANISH
CHANNEL
FREQUENCIES
1
2412MHz
N/A
2412 MHz
N/A
2
2417MHz
N/A
2417 MHz
N/A
3
2422MHz
N/A
2422MHz
N/A
4
2427MHz
N/A
2427MHz
N/A
Application Note 9835
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