For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

9

9 - 197

900 MHz Evaluation PCB

The circuit board used in this application should use

RF circuit design techniques. Signal lines should

have 50 Ohm impedance while the package ground

leads and exposed paddle should be connected

directly to the ground plane similar to that shown.

A sufficient number of via holes should be used to

connect the top and bottom ground planes. The

evaluation board should be mounted to an appro-

priate heat sink. The evaluation circuit board shown

is available from Hittite upon request.

Item

Description

J1 - J2

PCB Mount SMA Connector

J3 -J4

DC Pins

C1

8 pF Capacitor, 0402 Pkg.

C2

22 pF Capacitor, 0402 Pkg.

C3

2.7 pF Capacitor, 0402 Pkg.

C4, C6

100 pF Capacitor, 0402 Pkg.

C5

2.2 μF Capacitor, Tantalum

L1, L2

1 nH Inductor, 0402 Pkg.

L3

36 nH Inductor, 0402 Pkg.

R1

5.1 Ohms

U1

HMC454ST89 / HMC454ST89E

Linear Amp

107753 Evaluation PCB, 10 mils

[1] Reference this number when ordering complete evaluation PCB

[2] Circuit Board Material: Rogers 4350, Er = 3.48

HMC454ST89 / 454ST89E

v05.0710

InGaP HBT ½ WATT HIGH IP3

AMPLIFIER, 0.4 - 2.5 GHz