HIT PF08103A Datasheet

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PF08103A

MOS FET Power Amplifier Module

for E-GSM900 and DCS1800 Dual Band Handy Phone

ADE-208-685B (Z) 3rd Edition Apr. 1999

Application

Dual band amplifier for E-GSM900 (880 to 915 MHz) and DCS1800 (1710 to 1785 MHz).

For 4.8 V nominal battery use

Features

1 in / 2 out dual band amplifier

Simple external circuit including output matching circuit

Simple band switching and power control

High gain 3stage amplifier : +4.5 dBm input

Lead less thin & Small package : 11 × 13.75 × 1.8 mm

High efficiency : 48% Typ at 34.5 dBm for E-GSM

36% Typ at 31.5 dBm for DCS1800

HIT PF08103A Datasheet

PF08103A

Internal Circuit Block Diagram

Vdd1

 

Vdd2

 

 

Pout GSM

Pin

 

 

 

 

Pout DCS

Bias circuit

 

VCTL

VCTL

Vapc

Band Select and Power Control (H: 2 V Min, L: 0.3 V Max)

Operating Mode

VCTL

VCTL

Vapc

GSM Tx ON

H

L

Control

 

 

 

 

DCS Tx ON

L

H

Control

 

 

 

 

Tx OFF

L

L

< 0.2 V

 

 

 

 

Current of Control Pin

Control Pin

Equivalent Input Circuit

Control Current

VCTL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

160 A Max at 3 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCTL

80 A Max at 3 V

Vapc

3 mA Max at 3 V

2

PF08103A

Internal Diagram and External Circuit

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

Pout GSM

 

 

8

 

 

 

 

 

 

 

 

 

Pin

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

Pout DCS

 

Z1

 

 

 

 

 

 

 

Z2

Z3

 

 

Bias circuit

 

 

 

 

 

 

 

6

1

2

 

7

 

3

 

 

 

Vdd1

VCTL

VCTL

 

Vapc

Vdd2

 

 

 

 

C3

C5

 

C6

C7

C4

 

 

C1

 

 

 

 

C2

 

 

 

 

 

FB

FB

FB

 

 

 

Pin

Vdd1

VCTL

VCTL

Vapc

Vdd2

Pout DCS

Pout GSM

Note: C1 = C2 = 4.7 μF TANTALUM ELECTROLYTE

 

 

 

 

C3 = C4 = 0.01 μF CERAMIC CHIP

 

 

 

 

 

C5 = C6 = C7 = 1000 pF CERAMIC CHIP

 

 

 

 

 

FB = FERRITE BEAD BLO1RN1-A62-001 (MURATA) or equivalent

 

 

Z1 = Z2 = Z3 = 50 Ω MICRO STRIP LINE

 

 

 

 

3

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