TRF7003

MOSFET POWER AMPLIFIER

SLWS058C – APRIL 1997 – REVISED JULY 1998

6

POST OFFICE BOX 655303

APPLICATION INFORMATION

VGS

w = 22 mils

l = 70 mils

RF out

w = 22 mils

l = 430 mils

C3

C4

C5

C6

R1

L1

TRF7003

C8

C7

RF in

w = 22 mils

l = 50 mils

C1

C2

VDS

Board Material Specifications:

Type FR4 ;

ε

r = 4.3 ; h = 12 mils

50

Ω line

w = 22 mils

l = 950 mils

50

Ω line

w = 22 mils

l =

λ/4

Figure 10. Recommended Application Circuit for 4.8-V GSM

Table 2 lists the TRF7003 components for the recommended 4.8-V GSM application circuit.

Table 2. Component List

DESIGNATORS

DESCRIPTION

VALUE

MANUFACTURER†

MANUFACTURER P/N

C1

Capacitor

22 pF

ATC

™

ATC100A220JP150X

C2

Capacitor

18 pF

ATC

ATC100A180JP150X

C3

Capacitor

16 pF

ATC

ATC100A160JP150X

C4

Capacitor

2.7 pF

ATC

ATC100A2R7CP150X

C5

Capacitor

100 pF

ATC

ATC100A101JP150X

C6

Capacitor

1

µF

MURATA

GRM220Y5V105Z010

C7

Capacitor

100 pF

ATC

ATC100A101JP150X

C8

Capacitor

1

µF

MURATA

GRM220Y5V105Z010

R1

Resistor

30

Ω

International Manufacturing Services

RCI–0402–30ROJ

L1

Inductor

15 nH

TOKO

LL2012–F15NK

† Or equivalent device

ATC is a trademark of American Technical Ceramics Corporation