QPF8248

Wi-Fi Front End Module

Data Sheet REV C 20161219 | Subject to change without notice

5 of 7

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Pin Configuration and Description

Top View

Pin Number

Label

Description

1

PDET

DC power detector. Provides an output voltage proportional to the RF output power level

2

NC

No electrical connection. It may be left floating or connected to ground.

3

VCC

4

VCC

5

TX

RF input. Internally matched to 50

Ω and DC Blocked.

6

PA_EN

Input enable bias voltage (Regulated internally)

7

GND

Ground connection.

8

RX

RF output from the low noise amplifier or bypass. Internally matched to 50

Ω and DC blocked.

9

LNA_EN

LNA enable bias voltage

10

VCC

LNA and regulator supply voltage

11

NC

No electrical connection. It may be left floating or connected to ground.

12

GND

Ground connection.

13

NC

No electrical connection. It may be left floating or connected to ground.

14

NC

No electrical connection. It may be left floating or connected to ground.

15

GND

Ground connection.

16

ANT

RF bi-directional antenna port. Internally matched to 50

Ω. An external DC block is required.

Backside

Paddle

GND

RF/DC ground. Use recommended via pattern to minimize inductance and thermal resistance. See

PCB Mounting Pattern for suggested footprint.

ADVANCED