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AWU6601 Datasheet(PDF) 6 Page - ANADIGICS, Inc |
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AWU6601 Datasheet(HTML) 6 Page - ANADIGICS, Inc |
6 / 14 page 6 Data Sheet - Rev 2.0 10/2009 AWU6601 APPLICATION INFORMATION To ensure proper performance, refer to all related Application Notes on the ANADIGICS 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 mode or a High Bias mode by applying the appropriate logic level (see Operating Ranges table) to VMODE1. The Bias Control table lists the recommended modes of operation for various applications. VMODE2 is not necessary for this PA. Two operating modes are available to optimize current consumption. High Bias/High Power operating mode is for POUTlevels> 16 dBm. At around 17 dBm output power, the PA should be “Mode Switched” to Medium/Low power mode for lowest quiescent current consumption. Table 6: Bias Control (WCDMA/UMTS) Table 7: Bias Control (TD-SCDMA) APPLICATION POUT LEVELS BIAS MODE VENABLE VMODE1 VCC VBATT UMTS - high power (HighBiasMode) > +16 dBm High +2.4 V 0 V 3.2 - 4.2 V > 3.2 V UMTS - med/low power (LowBiasMode) < +17 dBm Low +2.4 V +2.4 V 3.2 - 4.2 V > 3.2 V Optional lower VCC in low power mode < +7 dBm Low +2.4 V +2.4 V 1.5 V > 3.2 V Shutdown - Shutdown 0 V 0 V 3.2 - 4.2 V > 3.2 V APPLICATION POUT LEVELS BIAS MODE VENABLE VMODE1 VCC VBATT TD-SCDMA - high power (HighBiasMode) > +15 dBm High +2.4 V 0 V 3.2 - 4.2 V > 3.2 V TD-SCDMA - med/low power(LowBiasMode) < +16 dBm Low +2.4 V +2.4 V 3.2 - 4.2 V > 3.2 V Shutdown - Shutdown 0 V 0 V 3.2 - 4.2 V > 3.2 V |
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