RFFC5071A/2A

WIDEBAND SYNTHESIZER/VCO WITH

INTEGRATED 6 GHz MIXER

Data Sheet Rev. D, August 22, 2019 | Subject to change without notice

12 of 27

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®

Detailed Functional Block Diagram

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

as required.

RFFC5071A Only

Ext LO

Pre-

scaler

N

divider

Reference

divider

Sequence

generator

Phase

detector

Charge

pump

Loop

Filter

MODE

ENBL

RESET

ENX

SDATA

SCLK

Control

Lines

3-Wire

Serial

Bus

GPO

RFXF8553

4:1 Balun

+3V

OP2

RFXF9503

1:1 Balun

IP2

/2

n

[n=1..5]

Mixer 2

51K

+3V

RFXF8553

4:1 Balun

+3V

OP1

Mixer 1

RFXF9503

1:1 Balun

IP1

XO

Lock

Flag