Front End GaAs IC

475 - 625 MHz

Rev. V3

XZ1004-QT

1

1

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1

Features

 MoCA Compliant Front-End GaAs IC

 Linear Power Amplifier

 Integrated PA Bias Control

 PA Power Down Mode

 Transmit/Receive Switch

 Transmit Power Detector

 0/3 dB Transmit Attenuator

 0/15 dB Receive Attenuator

 3.3 Volt Single Bias

 Integrated Digital Control Logic

 Compatible with EN2512 & EN2552

 Lead-free 3 mm 16-lead PQFN Package

 RoHS* Compliant

 50 Ω Characteristic Impedance

Description

The XZ1004-QT is an integrated front end GaAs IC

for MoCA mid-band RF applications which is fully

compatible with Entropic Communications chipset. It

is housed in an industry standard 3 mm PQFN

package and operates from a single 3.3 V bias. The

chip includes a power amplifier, transmit/receive

switch, power detector, switched attenuators, bias

circuits and digital control circuitry. The transmit path

includes a 3 dB switched attenuator and power

detector

for

gain

adjustment

and

linearity

optimization. A switched attenuator in the receiver

provides a 15 dB gain step. The integrated bias

circuit stabilizes transmit amplifier performance over

temperature and process variation with power

down functionality and optional bias adjustment.

The device typically delivers 20 dBm at P1dB and

+34 dBm OIP3 across the operating temperature

range. The digital inputs control all circuit operating

modes and are compatible with Entropic’s MoCA

chipsets.

Part Number

Package

XZ1004-QT-0G0T

Tape and Reel

XZ1004-QT-EV1

Sample Test Board

Functional Block Diagram

1. Reference Application Note M513 for reel size information.

2. All sample boards include 5 loose parts.

* Restrictions on Hazardous Substances, European Union Directive 2011/65/EU.

Pin Configuration

Pin No.

Function

Pin No.

Function

1

RX_ATT

9

VD1

2

TX_RX

10

L_OP

3

CAL

11

I_O

4

TX_IN

12

DET_ATT

5

TX_ATT

13

VD3

6

PWR_DWN

14

VDET

7

VD2

15

RX_OUT

8

BIAS_ADJ

16

RX_ADJ

17

3. The exposed pad centered on the package bottom must be

connected to RF and DC ground.

RX Atten Adj

Digital

Controls

Shut Down /

Bias Adj

Det.

Atten Adj

Det.

Out

T/R SWITCH

Detector

Bias

TX_ATT

Buffer /

Driver

Buffer /

Driver &

Logic

Buffer /

Driver

RX_ATT

CAL SWITCH