AWU6605 datasheet(5/13 Pages) ANADIGICS

5 / 13 page

PRELIMINARY DATA SHEET - Rev 1.1

08/2009

AWU6605

APPLICATION INFORMATION

To ensure proper performance, refer to all related

Application Notes on theANADIGICS web site:

http://www.anadigics.com

Shutdown Mode

The power amplifier may be placed in a shutdown

mode by applying logic low levels (see Operating

Rangestable)totheVENABLE and VMODE1voltages.

Bias Modes

ThepoweramplifiermaybeplacedineitheraLowBias

modeoraHighBiasmodebyapplyingtheappropriate

logic level (see Operating Ranges table) to VMODE1.

TheBiasControltableliststherecommendedmodes

of operation for various applications. VMODE2 is not

necessaryforthisPA.

Twooperatingmodesareavailabletooptimizecurrent

consumption.HighBias/HighPoweroperatingmode

isforPOUTlevels>16dBm.Ataround17dBmoutput

power,thePAcanbe“ModeSwitched”toMedium/

Low power mode for lowest quiescent current

consumption.

Table 5: Bias Control (UMTS)

APPLICATION

POUT

LEVELS

BIAS MODE

VENABLE

VMODE1

VCC

VBATT

UMTS-med/lowpower

(LowBiasMode)

< +17 dBm

Low

+2.4 V

3.2 - 4.2 V

> 3.2 V

UMTS-highpower

(HighBiasMode)

>+16dBm

High

+2.4 V

0 V

3.2 - 4.2 V

> 3.2 V

OptionallowerVCCinlow

powermode

< +7 dBm

Low

+2.4 V

1.5 V

> 3.2 V

Shutdown

0 V

3.2 - 4.2 V

> 3.2 V

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