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參數(shù)資料
| 型號： | SA2411DH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 衰減器 |
| 英文描述： | +20 dBm single chip linear amplifier for WLAN |
| 中文描述： | 2400 MHz - 2500 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | PLASTIC, TSSOP-16, SOT-403-1 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 117K |
| 代理商： | SA2411DH |
Philips Semiconductors
Product data
SA2411
+20 dBm single chip linear amplifier for WLAN
2003 Feb 07
14
12. APPLICATION WITH THE SA2400A
Next diagram is the application of the SA2400A with the SA2411.
The interface is simple. Two equal microstrip lines connect the SA2400A with the SA2411. The length of this connection should be kept to a
minimum.
The supply for the open collectors of the SA2400A is provided via pin 2 of the SA2411.
C2 is for supply voltage decoupling.
SR02487
A
T
A
T
SA2400A
D
A
T
T
A
S
S
S
T
TX_IN_I_P/
TX_DATA_I
TX_IN_I_M/
TX_DATA_Q
TX_IN_Q_P
TX_IN_Q_M
AGCRESET
AGCSET
IDCOUT
A_GND
1
2
3
4
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
V
V
I
I
G
D
G
P
G
R
A
G
M
G
G
V
SA2411
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V
DD
PWRUP
I
detector
C2
3-WIRE BUS
RF connection
Other connection
Figure 25.
NOTE:
A suggested starting point for designing the coupled microstrip lines:
Length = 1/18
λ
. Width = 12 mils, Separation = 5 mils with the Dielectric constant = 4.6.
This should result in Z
even
= 150
, Z
o
= 75
, and Z
odd
= 30
.
There should be no ground plane under the microstrip lines.
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