RMPA1852 查看數據表（PDF） - Fairchild Semiconductor

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RMPA1852

Quad-Band GSM/EDGE PA Module

Fairchild Semiconductor 

ADVANCED DATA SHEET

Electrical Specifications (Continued)

Mode: GMSK Band: PCS Tx band (1850–1910 MHz)

Modulation: None (CW), Typical Peak/Average = 0dB

Pulse Rate: TX = 577µs, 25% duty cycle, Tframe = 4.615mS

Test conditions unless otherwise stated: Vcc = 3.5V, Vramp = Vramp Max., Zin = Zout = 50Ω, Pin = 3 dBm, Temperature = 25°C,

Duty Cycle = 25%

Parameter

Test Conditions

Frequency

PCS

Output Power

Temp = 25°C, Vcc = 3.5 V

Temp = 85°C, Vcc = 2.9 V

Input Power Range

Power Added Efficiency

At Pout max

Input VSWR

Pout = 0 to 35 dBm

Forward Isolation

Pin = 6 dBm

Power Control Range

Vramp = 0.2 to 1.8 V

Harmonics

Stability

Load 6:1, all phase angles, Pin = 3 dBm, Set Vramp where Pout less

than or equal to 32 dBm into a 50Ω load.

Noise Power

Ftx = 1710–1785, Frx = 1805–1880 MHz(RBW = 100 KHz)

Ruggedness

Output VSWR = 10:1, All phase angles, Vcc = 4.8 V, Pin = 3 dBm,

Set Vramp where Pout less than or equal to 32 dBm into a 50Ω load.

Output Power Switching

Speed

RF Pout 5–35 dBm to within 1 dB of final value.

Min

1850

32

29.5

+0

45

–

–

–

–

–

–

–

Typ

–

33

–

+3

50

–

-35

40

–

–

Max

1910

–

–

+6

–

2.5:1

–

-5

-36

Unit

MHz

dBm

dBm

%

Ratio

dBm

dB

dBm

dBm

–

-77

No Damage

dBm

–

2

µS

Mode: EDGE Band: PCS Tx band (1850–1910 MHz)

Modulation: EDGE modulation (3π/8 O-8PSK at 270.833 ksps), Max Peak/Avg = 3.3dB (Probability < 0.1%).

Pulse Rate: TX = 577µs, 25% duty cycle, Tframe = 4.615mS

Input Power: Adjust to meet Output Power Requirement

Parameter

Test Conditions

Duty Cycle

Output Power

Max Pi = -0.5 (Temp = 25°C, Vcc = 3.5 V)

Power Added Efficiency

(Temp = 25°C, Vcc = 3.5 V)

Low power current

consumption mode (L)

Pout<16 dBm

Gain

at Pout (H)

at Low power current consumption mode (L)

Input VSWR

Harmonics 2Fo Thru

5Fo

At Max Po (Temp = 25°C, Vcc = 3.5 V)

Ruggedness

VSWR = 10:1, All phase angles,

Vcc = 4.8 V, Max Pin = 8

Stability

All Spurious (Load VSWR = 6:1 at all angles Po < 28, Pin < 8 dBm)

TX Noise in RX Band

Ftx = 1850–1910, Frx = 1930–1990 MHz (RBW = 100 KHz)

Adjacent Channel

Leakage

Offset: ±200 KHz

Offset: ±400 KHz

Offset: ±600 KHz

Error Vector Magnitude

Load 50Ω

Min

1/8

–

–

–

–

–

–

–

–

–

–

Typ

1/4

28

26

Max

1/4

–

–

200

34

25

–

2.0:1

–

-5

No Damage

–

-65

–

-77

–

-33

-57

–

-60

–

4

Unit

dBm

%

mA

dB

Ratio

dBm

dBc

dBm

dBc

%

RMPA1852 Rev. C

6

www.fairchildsemi.com

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