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RFFC5071A/2A

DS140110

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

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

Detailed Functional Block Diagram

Note: Wideband transmission line transformer baluns shown above for operation to ~2.5GHz. Substitute baluns for higher fre-

quency applications as required.

Pre-

scaler

[n=1..5]

N

divider

Sequence

generator

Phase

detector

Reference

divider

GPO

Lock

Flag

XO

Ext LO

51K

+3V

MODE

ENBL

RESET

ENX

SDATA

SCLK

RFXF8553

4:1 Balun

+3V

OP1

RFXF8553

4:1 Balun

+3V

OP2

RFXF9503

1:1 Balun

IP2

RFXF9503

1:1 Balun

IP1

Loop

Filter

3-Wire

Serial

Bus

Control

Lines

Mixer 2

Mixer 1

RFFC5071A Only