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)

•

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

stability and low thermal resistance.

1

4

CHP1237

C7

1nF

C4

27pF

C5

220pF

C6

2.7µF

9

6

C8

1nF

2

3

8

7

5