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參數(shù)資料
| 型號(hào)： | ADL5571 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | 放大器 |
| 英文描述： | 2500 MHz - 2700 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, LFCSP-16 |
| 文件頁(yè)數(shù)： | 11/11頁(yè) |
| 文件大?。?/td> | 787K |
| 代理商： | ADL5571 |
Preliminary Technical Data
ADL5571
Rev. PrB | Page 9 of 11
Table 6. Evaluation Board Configuration Options
Component
Function
Default Value
Vpos, Vpos1, GND
Supply and Ground Connections
W1 = Installed
TP1(STBY)
Transmit/Standby Mode: When STBY is low (0 V), the device operates in
transmit mode. When the radio is receiving data, STBY can be taken high
(2.5 V), reducing supply current to 10 mA.
Not Applicable
TP2 (VREG)
Normal/Sleep Mode: When VREG is low, the device goes into sleep mode,
reducing supply current to 10 uA. When VREG is high (2.85 V), the device
operates in its normal transmit mode. When high, VREG draws a bias current
of approximately 10 mA
Not Applicable
TP5(MODE)
Do Not Connect.
Not Applicable
L3,
Input Interface: (L3) matches the input to 50 ohms.
L3 = 2.2nH (Size 0402)
C3, C4,
Output Interface: C4 provides dc blocking. C3 matches the output to 50
ohms.
C4 = 39pF (Size 0402)
C3 = 2.7pF (Size 0402)
(C3 value for 2.5Ghz to 2.7Ghz
operation)
C2, C10
Filter Interface: A ground referenced capacitor should be connected to this
node to reduce bias line noise
C2 = 2.2pF (Size 0402)
C10 = 0.01
μ F (Size 0402)
C7, C8, C9, C11, C12
Power Supply Decoupling: The capacitors, C7, thru C12, are used for power
supply decoupling. They should be placed as close as possible to the DUT.
C7 = 0.01
μ F (Size 0402)
C8 = 0.01
μ F (Size 0402)
C9 = 0.01
μ F (Size 0402)
C10 = 0.01
μ F (Size 0402)
C11 = 1
μ F (Size 0402)
C12 = 1
μ F (Size 0402)
L1, L2, C6, C5
RF Trap: L1, C6 and L2, C5 form tank circuits and prevent RF from
propagating on the dc supply lines
L1 = 1nH (Size 0402)
C6 = 3.3pF (Size 0402)
L2 = 11nH (Size 0402)
C5 = OPEN
C
FL
T1
N
C
N
C
VCC1
RFIN
GND
VREG
RFOUT
NC
RFOUT
NC
5
6
7
8
15
16
14
13
9
10
11
12
3
G
N
D
4
2
V
C
2
1
N
C
ADL5571
S
TB
Y
C7
0.01F
VPOS
VREG
C9
0.01F
C2
2.2pF
C10
0.01F
C8
0.01F
STBY
C6
3.3pF
VPOS
C11
1F
C5
OPEN
VPOS1
C12
1F
C4
39pF
C3
2.7pF
VPOS1
VPOS
RFIN
RFOUT
W1
L3
1nH
2.7nH
L2
11nH
L1
C
FL
T2
Figure 10. Application Schematic
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