RF2722 Ver la hoja de datos (PDF) - RF Micro Devices

Número de pieza

componentes Descripción

Lista de partido

RF2722

QUADRATURE DEMODULATOR

RF Micro Devices 

Proposed

RF2722

Pin Function Description

Interface Schematic

1

LNA 1P

RF input to LNA 1. Internally matched for 800MHz to 1000MHz operation.

This pin possesses a DC voltage with respect to ground, and a series block-

ing cap may be required in some applications.

BIAS

+

-

2

LNA 1N

Complementary input to pin 1. This pin possesses a DC voltage with

See Pin 1.

respect to ground, and a series blocking cap may be required in some

applications.

3

LNA 2P

RF input to LNA 2. Internally matched for 800MHz to 1000MHz operation.

This pin possesses a DC voltage with respect to ground, and a series block-

ing cap may be required in some applications.

BIAS

+

-

4

LNA2N

Complementary input to pin 3. This pin possesses a DC voltage with

See Pin 3.

respect to ground, and a series blocking cap may be required in some

applications.

5

LNA 3P

RF input to LNA 3. Internally matched for 1800MHz to 2000MHz opera-

tion. This pin possesses a DC voltage with respect to ground, and a series

blocking cap may be required in some applications.

BIAS

+

-

6

LNA 3N

Complementary input to pin 5. This pin possesses a DC voltage with

See Pin 5.

respect to ground, and a series blocking cap may be required in some

applications.

7

LNA 4P

RF input to LNA 4. Internally matched for 1800MHz to 2000MHz opera-

tion. This pin possesses a DC voltage with respect to ground, and a series

blocking cap may be required in some applications.

BIAS

+

-

8

LNA 4N

Complementary input to pin 7. This pin possesses a DC voltage with

See Pin 7.

respect to ground, and a series blocking cap may be required in some

applications.

9

MIX VCC Supply for the quadrature mixer.

MIX VCC

LOAD

10

LO VCC VCO divider supply.

LO VCC

BIAS

11

VCO OUT Output from the VCO to drive the synthesizer input. This is the VCO divided

by 8.

VCO OUT

12 TXB OUT LB Low band TX buffer output.

TXB OUT LB

Rev A4 DS050919

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

11 of 26

Share Link: