1999 Apr 12

11

Philips Semiconductors

Product specification

Power amplifier controller for GSM and

PCN systems

PCF5078

Fig.8

Temperature coefficient of the minimum

output voltage as a function of the supply

voltage.

handbook, halfpage

0.2

1.0

0.8

0.4

0.6

23

5

4

MGS199

VDD (V)

TC

(mV/K)

APPLICATION INFORMATION

Fig.9 Application diagram for mobile station with PA protection against mismatching.

handbook, full pagewidth

MGS201

R2

1 k

Ω

C1

C2

D1

R1

1 k

Ω

D2

<50 pF

2.2 to 10 nF

sensor

antenna

PA

RF

1

2

3

4

8

7

6

5

PCF5078

VDD

VDAC

VINT

VHOME

VSS

VS2

VS1

VC

C3

22 to 82 pF

0.2 to 2.5 V

PCF5073x

AUXDAC3