RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS150211

For sales or technical support, contact RFMD at +1.336.678.5570 or customerservice@rfmd.com.

The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of

third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended

application circuitry and specifications at any time without prior notice.

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RFFM4551

Parameter

Specification

Unit

Condition

Min

Typ

Max

Transmit (TX-ANT) (continued)

f = 5.15GHz - 5.925 GHz

PA_EN = High, LNA_EN = Low, CRX = Low

Unless otherwise noted

Operating Current

260

mA

290

mA

330

mA

Quiescent Current

200

mA

Second Harmonic

-40

-35

dBm/MHz

6Mbps waveform, Frequency 5.15 to 5.29GHz

-47

-40

dBm/MHz

6Mbps waveform, Frequency 5.30 to 5.925GHz

Third Harmonic

-55

-50

dBm/MHz

6Mbps waveform across full frequency band.

Out Of Band Gain

-10

-5

dB

@ 3.2 to 3.9GHz

19

22

dB

@ 7GHz

0

5

dB

@1.60 to 1.95 GHz

Power Detector Voltage

0.30

V

0.75

V

0.85

V

1.0

V

Isolation ANT-RX: Transmit Mode

20

dB

PA_EN = High, LNA_EN = Low, CRX = Low

Receive (ANT-RX)

LNA On Mode

f = 5.15GHz - 5.925 GHz

PA_EN = Low, LNA_EN = High, CRX =High

Unless otherwise noted

Gain

11

14

dB

Noise Figure

2.5

3.3

dB

RX Port Return Loss

8

12

dB

ANT Port Return Loss

5

12

dB

-5

dBm

RX Operating Current

12

20

mA

Out of Band rejection

15

dB

@ 2.4 to 2.5GHz

Receive (ANT-RX)

LNA Bypass Mode

f = 5.15GHz - 5.925 GHz

PA_EN = Low, LNA_EN = Low, CRX = High

Unless otherwise noted

Bypass Loss

8

6

5

dB

RX Port Return Loss

10

15

dB

ANT Port Return Loss

10

12

dB

20

dBm

Out of Band rejection

15

dB

@ 2.4 to 2.5GHz

General Specifications

LNA_EN Control Current

150

uA

CRX Control Current

1

uA