SKY12324-73LF-EVB【PDF 1/8 页】BOARD EVALUATION FOR SKY12324-73

DATA SHEET

SKY12324-73LF: 0.5-4.0 GHz Two-Bit Digital Attenuator

(4 dB LSB)

Applications

? Cellular telephone base stations

? T est instrumentation

? Wireless data level control circuits

Features

? Four dB LSB steps to 12 dB

? Single, positive control voltage per bit

? Low insertion loss

? Small SOT- 6 package (MSL1, 260 ° C per JEDEC J - STD - 020)

Figure 1. SKY12324-73LF Block Diagram

Description

The SKY12324 - 73LF i s a two - bit GaAs pHEMT digital attenuator in

a low -cost SOT- 6 package. The two attenuation bits, 4 and 8 dB,

can be independently switched into or out of the signal path

according to the magnitudes of the control voltages applied to the

two high i mpedance control voltage inputs. T he RF ports are

internally matched to 50 Ω and are fully bilateral.

The SKY12324 - 73LF is i deally suited for use in applications where

excellent attenuation accuracy, low insertion loss, and excellent

intermodulation distortion performance are required .

A functional block diagram is shown in Figure 1. The pin

configuration and package are shown in Figure 2. Signal pin

assignments and functional pin descriptions are provided in

Table 1.

Figure 2. SKY12324-73LF Pinout – 6-Pin SOT-6

(Top View)

Skyworks Solutions, Inc. ? Phone [781] 376 - 3000 ? Fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com

200219E ? Skyworks Proprietary Information ? Products and Product Information are Subject to Change Without Notice ? February 22, 2011

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