For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

12

12 - 168

Pin Number

Function

Description

Interface Schematic

15

REF

PFD reference input.

(This pin must be DC blocked externally)

16

NREF

PFD reference input compliment.

(This pin must be DC blocked externally)

17

NU

PFD not up output.

18

ND

PFD not down output.

19

LD

PFD lock detector output.

20

Vcc3

Digital circuitry supply voltage, +5V.

Package

Base

GND

Package bottom has an exposed metal paddle that

must be connected to RF / DC ground.

HMC535LP4 / 535LP4E

v01.1009

PHASE-LOCKED OSCILLATOR,

14.7 - 15.4 GHz