ADL5570(RevPrG) データシートの表示（PDF） - Analog Devices
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ADL5570 Datasheet PDF : 10 Pages
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Preliminary Technical Data
ADL5570
Table 5. Evaluation Board Configuration Options
Component
Function
Vpos, Vpos1, GND
Supply and Ground Connections
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.
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
TP5(MODE)
High/Low Power Mode: Switches between High Power and Low Power
Modes. When Mode is low (0V), the device operates in High Power Mode.
When Mode is high (MODE = 2.5 V), the device operates in Low Power Mode.
L3,
Input Interface: (L3) matches the input to 50 ohms.
Default Value
W1 = Installed
Not Applicable
Not Applicable
Not Applicable
L3 = 2.2nH (Size 0402)
C3, C4,
C2
C7, C8, C9, C10, C11, C12
L1, L2, C6, C5
Output Interface: C4 provides dc blocking. C3 matches the output to 50
ohms.
Filter Interface: A ground referenced capacitor should be connected to this
node to reduce bias line noise
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.
RF Trap: L1, C6 and L2, C5 form tank circuits and prevent RF from
propagating on the dc supply lines
C4 = 39pF (Size 0402)
C3 = 3.3pF (Size 0402)
(C3 value for 2.3 Ghz to 2.4Ghz
operation)
C2 = 2.2pF (Size 0402)
C7 = 0.01μ F (Size 0402)
C8 = 0.01μ F (Size 0402)
C9 = 0.01μ F (Size 0402)
C10 = 0.01μ F (Size 0402)
C11 = 1μ F (Size 0402)
C12 = 1μ F (Size 0402)
L1 = 1nH (Size 0402)
C6 = 3.6pF (Size 0402)
L1 = 11nH (Size 0402)
C5 = OPEN
Figure 12. Application Schematic
Rev. PrG | Page 9 of 10
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