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

8

8 - 150

Application Circuit

Recommended Component Values for Key Application Frequencies with Vs = +5V

Component

Frequency (MHz)

50

250

400

900

L1

270 nH

110 nH

110 nH

56 nH

C1, C2

0.01 μF

820 pF

820 pF

100 pF

Rbias

0 Ohms

1.5 Ohms

1.5 Ohms

1.8 Ohms

Note:

1. External blocking capacitors are required on

RFIN and RFOUT.

Recommended Bias Resistor Values

for Icc = 88 mA, Rbias = (Vs - Vcc) / Icc, Vs > +5V

Supply Voltage (Vs)

6V

8V

13 Ω

36 Ω

¼ W

½ W

Pin Descriptions

Pin Number

Function

Description

Interface Schematic

1IN

This pin is DC coupled.

An off chip DC blocking capacitor is required.

3

OUT

RF output and DC Bias (Vcc) for the output stage.

2, 4

GND

These pins and package bottom

must be connected to RF/DC ground.

HMC580ST89 / 580ST89E

v04.0710

InGaP HBT GAIN BLOCK

MMIC AMPLIFIER, DC - 1 GHz