MRF21085LSR3 datasheet(2/11 Pages) FREESCALE

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RF Device Data

Freescale Semiconductor

MRF21085LSR3

Table 4. Electrical Characteristics (TC = 25°C unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

Off Characteristics

Drain-Source Breakdown Voltage

(VGS = 0 Vdc, ID = 100 μAdc)

V(BR)DSS

—

Vdc

Zero Gate Voltage Drain Current

(VDS = 28 Vdc, VGS = 0 Vdc)

IDSS

—

μAdc

Gate-Source Leakage Current

(VGS = 5 Vdc, VDS = 0 Vdc)

IGSS

—

μAdc

On Characteristics (DC)

Gate Threshold Voltage

(VDS = 10 Vdc, ID = 200 μAdc)

VGS(th)

—

Vdc

Gate Quiescent Voltage

(VDS = 28 Vdc, ID = 1000 mAdc)

VGS(Q)

3.9

Vdc

Drain-Source On-Voltage

(VGS = 10 Vdc, ID = 2 Adc)

VDS(on)

—

0.18

0.21

Vdc

Dynamic Characteristics (1)

Reverse Transfer Capacitance

(VDS = 28 Vdc, VGS = 0, f = 1.0 MHz)

Crss

—

3.6

—

Functional Tests (In Freescale Test Fixture, 50 ohm system) 2-carrier W-CDMA, 3.84 MHz Channel Bandwidth Carriers, ACPR and IM3

measured in 3.84 MHz Bandwidth. Peak/Avg. = 8.3 dB @ 0.01% Probability on CCDF.

Common-Source Amplifier Power Gain

(VDD = 28 Vdc, Pout = 19 W Avg., IDQ = 1000 mA, f1 = 2112.5 MHz,

f2 = 2122.5 MHz)

Gps

13.6

—

Drain Efficiency

(VDD = 28 Vdc, Pout = 19 W Avg., IDQ = 1000 mA, f1 = 2112.5 MHz,

f2 = 2122.5 MHz)

—

Third Order Intermodulation Distortion

(VDD = 28 Vdc, Pout = 19 W Avg., IDQ = 1000 mA, f1 = 2112.5 MHz,

f2 = 2122.5 MHz; IM3 measured over 3.84 MHz BW at f1 -10 MHz

and f2 +10 MHz referenced to carrier channel power.)

IM3

—

-37.5

-35

dBc

Adjacent Channel Power Ratio

(VDD = 28 Vdc, Pout = 19 W Avg., IDQ = 1000 mA, f1 = 2112.5 MHz,

f2 = 2122.5 MHz; ACPR measured over 3.84 MHz at f1 -5 MHz and

f2 +5 MHz.)

ACPR

—

-41

-38

dBc

Input Return Loss

(VDD = 28 Vdc, Pout = 19 W Avg., IDQ = 1000 mA, f1 = 2112.5 MHz,

f2 = 2122.5 MHz)

IRL

—

-12

-9

1. Part is internally matched both on input and output.

(continued)

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