ALT5020
AppLicATion informATion
To ensure proper performance, refer to all related logic level (see Operating Ranges table) to VMODE1,2.
Application Notes on the ANADIGICS web site: The Bias Control table lists the recommended modes
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of operation for various applications.
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Three operating modes are available to optimize
The power amplifier may be placed in a shutdown current consumption. High Bias/High Power operating
mode by applying logic low levels (see Operating mode is for POUT levels > 15 dBm. At around 16 dBm
Ranges table) to the VENABLE and VMODE voltages.
output power, the PA should be “Mode Switched” to
Medium power mode for lowest quiescent current
consumption. The PAshould be switched to Low Bias/
Low Power mode at ~<7 dbm.
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The power amplifier may be placed in either a Low,
Medium or High Bias mode by applying the appropriate
Vcontrols
Venable/Vmode(s)
Rise/Fall Max 1µS
Defined at 10% to 90%
of Min/Max Voltage
On Sequence Start
T_0N=0µ
Off Sequence Start
T_0FF=0µ
ON Sequence
OFF Sequence
RFIN
notes 1,2
VEN
VCC
note 1
T_0N+1µS
T_0N+3µS
T_0FF+2µS T_0FF+3µS
Referenced After 90%of Rise
Time
Referenced Before10%of Fall
Time
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Notes:
(1) Level might be changed after RF is ON.
(2) RF OFF defined as PIN ≤ -30 dBm.
(3) Switching simultaneously between VMODE and VEN is not recommended.
advanced product information - rꢀꢁ 0.0
5
09/2013
ANADIGICS [ ANADIGICS, INC ]
