RF3198 데이터 시트보기 (PDF) - RF Micro Devices

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RF3198

DUAL-BAND GSM900/DCS POWER AMP MODULE

RF Micro Devices 

RF3198

Parameter

Overall (DCS Mode)

Operating Frequency Range

Maximum Output Power

Total Efficiency

Input Power Range

Output Noise Power

Forward Isolation 1

Forward Isolation 2

Second Harmonic

Third Harmonic

All Other

Non-Harmonic Spurious

Input Impedance

Input VSWR

Output Load VSWR Stability

Specification

Min.

Typ.

Max.

+31.5

1710 to 1785

29.5

47

55

0

+3

+5

-86

-44

-35

-33

-20

-15

-7

-20

-15

-36

50

2.5:1

6:1

Output Load VSWR Ruggedness

8:1

Output Load Impedance

50

Power Control VRAMP

Power Control Range

50

Notes:

VRAMP MAX=0.4*VBATT+0.06<1.5V

VRAMP_RP=VRAMP set for 31.5dBm at nominal conditions

Unit

MHz

dBm

dBm

%

dBm

dBm

dBm

dBm

dBm

dBm

dBm

Ω

Ω

Condition

Temp=25°C, VBATT=3.5V,

VRAMP=VRAMP MAX, PIN =3dBm,

Freq=1710MHz to 1785MHz,

25% Duty Cycle, pulse width=1154μs

Temp=25°C, VBATT=3.5V,

VRAMP = VRAMP MAX

Temp=+85°C, VBATT=3.0V,

VRAMP= VRAMP MAX

At POUT MAX, VBATT=3.5V

Maximum output power guaranteed at mini-

mum drive level

RBW=100kHz, 1805MHz to 1880MHz, POUT

> 0dBm, VBATT=3.5V

TXEnable=Low, PIN=+5dBm

TXEnable=High, VRAMP=0.2V, PIN=+5dBm

VRAMP=0.2V to VRAMP=VRAMP_RP

VRAMP=0.2V to VRAMP=VRAMP_RP

VRAMP=0.2V to VRAMP MAX

VRAMP=0.2V to VRAMP MAX

Spurious<-36dBm, RBW=3MHz

Set VRAMP where POUT<31.5dBm into 50Ω

load

Set VRAMP where POUT<31.5dBm into 50Ω

load. No damage or permanent degradation to

part.

Load impedance presented at RF OUT pin

dB

VRAMP=0.2V to VRAMP MAX, PIN=+5dBm

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7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Rev A0 DS070801

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