MRF372 datasheet(2/16 Pages) FREESCALE

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RF Device Data

Freescale Semiconductor

MRF372R3 MRF372R5

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

Characteristic

Symbol

Min

Typ

Max

Unit

Off Characteristics (1)

Drain-Source Breakdown Voltage

(VGS = 0 Vdc, ID =10 μA)

V(BR)DSS

—

Vdc

Zero Gate Voltage Drain Current

(VDS = 32 Vdc, VGS = 0 Vdc)

IDSS

—

μAdc

Gate-Source Leakage Current

(VGS = 5 Vdc, VDS = 0 Vdc)

IGSS

—

μAdc

On Characteristics

Gate Threshold Voltage (1)

(VDS = 10 V, ID = 200 μA)

VGS(th)

Vdc

Gate Quiescent Voltage (2)

(VDS = 32 V, ID = 100 mA)

VGS(Q)

2.5

3.5

4.5

Vdc

Drain-Source On-Voltage (1)

(VGS = 10 V, ID = 3 A)

VDS(on)

—

0.28

0.45

Vdc

Forward Transconductance

(VDS = 10 V, ID = 3 A)

gfs

—

2.6

—

Dynamic Characteristics (1)

Input Capacitance (Includes Input Matching Capacitance)

(VDS = 32 V, VGS = 0 V, f = 1 MHz)

Ciss

—

260

—

Output Capacitance

(VDS = 32 V, VGS = 0 V, f = 1 MHz)

Coss

—

Reverse Transfer Capacitance

(VDS = 32 V, VGS = 0 V, f = 1 MHz)

Crss

—

2.5

—

Functional Characteristics, Narrowband Operation (2) (In Freescale MRF372 Narrowband Circuit, 50 ohm system)

Common Source Power Gain

(VDD = 32 V, Pout = 180 W PEP, IDQ = 800 mA,

f1 = 857 MHz, f2 = 863 MHz)

Gps

—

Drain Efficiency

(VDD = 32 V, Pout = 180 W PEP, IDQ = 800 mA,

f1 = 857 MHz, f2 = 863 MHz)

—

Intermodulation Distortion

(VDD = 32 Vdc, Pout = 180 W PEP, IDQ = 800 mA,

f1 = 857 MHz, f2 = 863 MHz)

IMD

—

-35

-31

dBc

Typical Characteristics, Broadband Operation (2) (In Freescale MRF372 Broadband Circuit, 50 ohm system)

Common Source Power Gain

(VDD = 32 Vdc, Pout = 180 W PEP, IDQ = 1000 mA,

f1 = 857 MHz, f2 = 863 MHz)

Gps

—

14.5

—

Drain Efficiency

(VDD = 32 Vdc, Pout = 180 W PEP, IDQ = 1000 mA,

f1 = 857 MHz, f2 = 863 MHz)

—

Intermodulation Distortion

(VDD = 32 Vdc, Pout = 180 W PEP, IDQ = 1000 mA,

f1 = 857 MHz, f2 = 863 MHz)

IMD

—

-31

—

dBc

1. Each side of device measured separately.

2. Measurement made with device in push-pull configuration.

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