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

Order On-line at www.hittite.com

11

11 - 18

Pin Number

Function

Description

Interface Schematic

28

REF

Reference Input

Reference Input Complement

(These pins are AC coupled and must be DC Blocked externally.)

27

NREF

30

ND

Down Output

31

NU

Up Output

3, 6 - 8, 17,

19 - 21, 24,

26, 29, 32

N/C

No Connection. These pins may be connected to RF/DC ground.

Performance will not be affected.

Ground

Paddle

GND

Package bottom has an exposed ground paddle that must be con-

nected to RF/DC ground

HMC698LP5 / 698LP5E

v03.0709

7 GHz INTEGER N SYNTHESIZER

(N = 12 - 259)