CHP1237
KPCS CDMA
InGaP HBT Amplifier Module
PRELIMINARY DATA SHEET - Rev 1.5
FEATURES
•
•
•
•
•
•
•
Small Profile (3 x 3 x 1 mm)
PFT
TM
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
M12 Package
9 Pin 3 x 3 x 1 mm
Surface Mount Module
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
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.
V
CC
C6
2.7µF
C5
220pF
RF
IN
C4
27pF
1
2
CHP1237
3
9
8
7
5
6
RF
OUT
V
REF2
4
C7
1nF
V
REF1
C8
1nF
Figure 1: Block Diagram
08/2004
ANADIGICS [ ANADIGICS, INC ]
