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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

MMIC VCO w/ BUFFER

AMPLIFIER, 3.15 - 3.4 GHz

v02.0805

General Description

Features

Functional Diagram

The HMC388LP4 & HMC388LP4E are GaAs InGaP

Heterojunction Bipolar Transistor (HBT) MMIC VCOs

with integrated resonators, negative resistance dev-

ices, varactor diodes, and buffer amplifiers. Covering

3.15 to 3.4 GHz, the VCO’s phase noise performance

is excellent over temperature, shock, vibration and

process due to the oscillator’s monolithic structure.

Power output is 4.9 dBm typical from a single supply

of 3V @ 39mA. The voltage controlled oscillator is

packaged in a low cost leadless QFN 4x4 mm surface

mount package.

Pout: +4.9 dBm

Phase Noise: -113 dBc/Hz @100 KHz

No External Resonator Needed

Single Supply: 3V @ 39 mA

Typical Applications

Low noise MMIC VCO w/Buffer Amplifier for:

• Wireless Local Loop (WLL)

• VSAT & Microwave Radio

• Test Equipment & Industrial Controls

• Military

Parameter

Min.

Typ.

Max.

Units

Frequency Range

3.15 - 3.4

GHz

Power Output

1.5

4.9

dBm

SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RF Output

-113

dBc/Hz

Tune Voltage (Vtune)

0

10

V

Supply Current (Icc) (Vcc = +3.0V)

39

mA

Tune Port Leakage Current

10

μA

Output Return Loss

8dB

Harmonics

2nd

3rd

-7

-14

dBc

dBc

Pulling (into a 2.0:1 VSWR)

2.7

MHz pp

Pushing @ Vtune= +5V

-2

MHz/V

Frequency Drift Rate

0.4

MHz/°C