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HMC594

GaAs PHEMT MMIC LOW NOISE AMPLIFIER, 2 - 4 GHz

Hittite Microwave 

v00.0407

1

Typical Applications

The HMC594 is ideal for:

• Fixed Microwave

• Point-to-Multi-Point Radios

• Test & Measurement Equipment

• Radar & Sensors

• Military & Space

Functional Diagram

HMC594

GaAs PHEMT MMIC LOW NOISE

AMPLIFIER, 2 - 4 GHz

Features

Gain Flatness: ±0.2 dB

Noise Figure: 2.6 dB

Gain: 10 dB

OIP3: +36 dBm

DC Supply: +6V @ 100 mA

50 Ohm Matched Input/Output

Die Size: 1.32 x 1.21 x 0.10 mm

General Description

The HMC594 is a GaAs PHEMT MMIC Low Noise

Amplifier (LNA) chip which operates from 2 to 4 GHz.

The HMC594 features extremely flat performance

characteristics including 10 dB of small signal gain,

2.6 dB of noise figure and output IP3 of +36 dBm

across the operating band. This versatile LNA is ideal

for hybrid and MCM assemblies due to its compact

size, consistent output power and DC blocked RF

I/O’s. All data is measured with the chip in a 50 Ohm

test fixture connected via one 0.025 mm (1 mil) dia-

meter bondwire of minimal length 0.31 mm (12 mil).

Electrical Specifications, TA = +25° C, Vdd= +6V, Idd= 100mA*

Parameter

Min.

Frequency Range

Gain

7

Gain Variation Over Temperature

Noise Figure

Input Return Loss

Output Return Loss

Output Power for 1 dB Compression (P1dB)

18

Saturated Output Power (Psat)

Output Third Order Intercept (IP3)

Supply Current (Idd)

*Adjust Vgg between -1.5V to -0.5V to achieve Idd = 100mA

Typ.

2-4

10

0.015

2.6

15

15

21

22

36

100

Max.

3.5

130

Units

GHz

dB

dB/ °C

dB

dB

dB

dBm

dBm

dBm

mA

1 - 96

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

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