AWT6111 Ver la hoja de datos (PDF) - ANADIGICS

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AWT6111

CDMA/AMPS Power Amplifier

ANADIGICS 

AWT6111

CDMA/AMPS Power Amplifier

Application Note - Rev 0

General Description

The AWT6111 is a hetero-junction bipolar transistor

(HBT) amplifier designed for the CDMA cellular

handset. The frequency band of operation is

824-849 MHz. The AWT6111 is designed to operate

from a single lithium-ion (Li-ion) battery. The amplifier

input and output are matched to provide optimum

performance in a 50 Ω system. Minimal external

components are required for proper RF bypassing.

The tantalum capacitors, C8 and C9, are not required.

Landings should be made available on the printed

circuit board (PCB) as a precaution.

Table 1: AWT6111 Module Pin Description

PIN NAME DESCRIPTION

NOTES

1

VCC1 Bias supply to 1st stage collector 3.0 - 4.2 V

2

RFIN

RF Input

Use 50 Ω transmission line

3

VREF

Reference supply to base bias

2.75 - 3.1 V

4

VMODE Mode select

0 V for high power mode,

2.7 V for low power mode

5

VCC2 Bias supply to 2nd stage collector 3.0 - 4.2 V

6

RFOUT RF Output

Use 50 Ω transmission line

7

GND Supply ground

DC ground

Figure 1: Application Schematic

04/2002

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