1997 Apr 03

3

Philips Semiconductors

Preliminary specification

DCS/PCS 2 W power amplifier

CGY2021G

BLOCK DIAGRAM

PINNING

SYMBOL

PIN

DESCRIPTION

GND

1 to 5

ground

6 to 8

PA output and fourth stage supply voltage

GND

9 to 17

ground

18

power sensor output and supply voltage

19

third and fourth stage negative gate supply voltage

GND

20 to 26

ground

RFI

27

PA input

GND

28

ground

29

first stage supply voltage

GND

30

ground

31

first and second stage negative gate supply voltage

GND

32

ground

33

second stage supply voltage

GND

34 to 41

ground

42

third stage supply voltage

GND

43 to 48

ground

Fig.1 Block diagram.

(1) Ground pins 1 to 5, 9 to 17, 20 to 26, 28, 30, 32, 34 to 41 and 43 to 48.

handbook, full pagewidth

CGY2021G

MGD771

(1)

6,7,8

18

29

33

42

27

GND

SENSOR

DRIVER

VGG2

RFO/VDD4

VDD1

VDD2

VDD3

RFI

DETO/VDD5

31

VGG1

19