RF2436PCBA datasheet(3/6 Pages) RFMD

3 / 6 page

9-13

RF2436

Rev A5 060509

Evaluation Board Schematic

(Download Bill of Materials from www.rfmd.com.)

Function

Description

Interface Schematic

1RX OUT

Output pin for Receive mode. VSWR is 1.1:1 when Receive mode is

selected and highly capacitive when Transmit mode is selected.

2GND

Ground connection. For best performance, keep traces physically short

and connect immediately to the ground plane.

3TX IN

Input pin for Transmit mode. The input VSWR is 1.1:1 when Transmit

mode is selected and highly capacitive when Receive mode is

selected.

4TX/RX

Transmit Mode/Receive Mode control pin. A “low” level chooses

Receive mode; a “high” level chooses Transmit mode. CMOS logic may

be used to drive the control input.

ANT I/O

Input/Output pin from/to antenna and power supply pin. This pin must

be biased with VDD through a resistor.

2436400-

1 nF

Ω μstrip

TX/RX

ANT I/O

VDD

2 k

Ω μstrip

RX OUT

TX IN

P1-3

TX/RX

GND

P1-1

μF

VDD

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