RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS131219

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.

3 of 7

RFFM5541

PROPOSED

Parameter

Specification

Unit

Condition

Min

Typ

Max

Receive Parameters

(continued)

Passband Ripple

WiFi RX Mode

-0.9

+0.9

dB

4.9GHz to 5.1GHz

-0.9

+0.9

dB

Per U-NII band or 100MHz

WiFi RX Bypass Mode

-0.9

+0.9

dB

WiFi RX Port Return Loss

8

dB

IP1dB

-9

dBm

-10

dBm

Extended temp range -40°C to +85°C

IIP3

3

dBm

0

dBm

Extended temp range -40°C to +85°C

Transmit Switch Parameters

Control voltage = 2.5V to 4.8V, Temp=-15°C to +75°C,

unless otherwise noted

Frequency

4.90

5.85

GHz

Insertion Loss

1

1.8

dB

Includes temp range -40°C to +85°C

Passband Ripple

-0.2

+0.2

dB

Over all conditions; Per U-NII band or 100MHz

Input P1dB

29

31

dBm

Switch ports only, over all conditions; CW signal

27

dBm

Extended temp range -40°C to +85°C; CW signal

Input Power

21

dBm

System EVM=0.5% assumed for the incoming signal; 21dBm at the

input with 1% composite EVM at the output.

Input Return Loss

9.6

12

dB

Over all conditions

Output Return Loss

8.5

12

dB

Port Impedance Tuning

50

W

All RF ports tuned for 50

Ω system

Isolation TX to RX

20

dB

TX DC mode, path ANT to RX, over all conditions

Isolation RX to TX

20

dB

WiFi RX Bypass Mode, path ANT-TX, over all conditions

Switch Control Current

35

50

uA

Per control line, over all conditions

100

uA

Extended temp range -40°C to +85°C

Switch Control Speed

75

150

nsec

Over all conditions

Switch Logic Truth Table

Mode

C_TX/RX

LNA_EN

RX Gain

L

H

RX Bypass

L

L

TX

H

L