CHP1237 datasheet(1/12 Pages) ANADIGICS

Part #	CHP1237

Description	KPCS CDMA InGaP HBT Amplifier

PDF	12 Pages

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Manufacturer	ANADIGICS [ANADIGICS, Inc]

Direct Link	http://www.anadigics.com

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1 / 12 page

08/2004

CHP1237

KPCS CDMA

InGaP HBT Amplifier Module

PRELIMINARY DATA SHEET - Rev 1.5

M12 Package

9 Pin 3 x 3 x 1 mm

Surface Mount Module

FEATURES

•

Small Profile (3 x 3 x 1 mm)

•

PFTTM 50

Ω Matched Module

•

High Linearity of -50 dBc

•

High PAE of 39%

•

InGaP HBT Technology

•

Low Quiescent Current of 55 mA

•

Single Positive Supply Voltage

APPLICATIONS

•

Korean PCS CDMA handsets

PRODUCT DESCRIPTION

CHP1237 is an InGaP HBT amplifier module

offering high performance for PCS CDMA wireless

handsets. It consists of a two-stage amplifier, 50

Ω

matching network for both input and output, and a

Figure 1: Block Diagram

bias control circuit. It is packaged in a 3 x 3 x 1 mm

package using proprietary Passive-Free Technology

(PFT)TM. The package provides excellent electrical

stability and low thermal resistance.

1

4

RFIN

CHP1237

RFOUT

C7

1nF

VCC

C4

27pF

C5

220pF

C6

2.7µF

9

6

VREF1

C8

1nF

2

3

8

7

5

VREF2

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