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HMC389LP4中文资料

V C O s - S M T

15

MMIC VCO w/ BUFFER AMPLIFIER, 3.35 - 3.55 GHz

v01.0604

General Description

Features

Functional Diagram The HMC389LP4 is a GaAs InGaP Heterojunc-tion Bipolar Transistor (H BT) MMIC VCO with integrated resonator, negative resistance device, varactor diode, and buffer ampli? er. Covering 3.35 to 3.55 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 4.7 dBm typical from a single supply of 3V @ 41mA. The voltage con-trolled oscillator is packaged in a low cost lead-less QFN 4 x 4 mm surface mount package.

Pout: +4.7 dBm

Phase Noise: -112 dBc/Hz @100 KHz No External Resonator Needed Single Supply: 3V @ 41 mA

QFN Leadless SMT Package, 16 mm 2

Typical Applications

Low noise MMIC VCO w/Buffer Ampli? er for:? Wireless Local Loop (WLL)? VSA T & Microwave Radio

? T est Equipment & Industrial Controls ? Military

Electrical Speci? cations, T A = +25° C, Vcc = +3V

HMC389LP4

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Frequency vs. Tuning Voltage, T= 25°C

Sensitivity vs. Tuning Voltage, Vcc= +3V

Typical SSB Phase Noise @ Vtune= +5V

Phase Noise vs. Tuning Voltage

Frequency vs. Tuning Voltage, Vcc= +3V Output Power vs.

Tuning Voltage, Vcc= +3V

AMPLIFIER, 3.35 - 3.55 GHz

33.13.23.33.43.53.63.73.80

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10

Vcc=2.75V

Vcc=3.0V Vcc=3.25V

O U T P U T F R E Q U E N C Y (G H z )

TUNING VOLTAGE (VOLTS)

33.13.23.33.43.53.63.73.80

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2

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9

10

+25 C +85 C - 40C

O U T P U T F R E Q U E N C Y (G H z )

TUNING VOLTAGE (VOLTS)

020406080100120140160180200+25 C +85 C -40 C

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2

3

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8910

S E N S I T I V I T Y (M H z /V O L T )

TUNING VOLTAGE (VOLTS)0

12345678+25 C +85 C -40 C

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O U T P U T P O W E R (d B m )

TUNING VOLTAGE (VOLTS)

-120

-115-110-105-100-95-90-85-800

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10 KHz Offset 100 KHz Offset

S S B P H A S E N O I S E (d B c /H z )

TUNING VOLTAGE (VOLTS)

-150

-140-130-120-110-100-90-80-70-60-50-40-30-20-10010310

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10

5

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10

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+25 C +85 C -40 C

S S B P H A S E N O I S E (d B c /H z )

OFFSET FREQUENCY (Hz)

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AMPLIFIER, 3.35 - 3.55 GHz

Absolute Maximum Ratings

Outline Drawing

Typical Supply Current vs. Vcc

Note: VCO will operate over full voltage range shown above.

1. MATERIAL P ACKAGE BODY: LOW STRESS INJECTION MOLDED

PLASTIC SILICA AND SILICON IMPREGNA TED.

2. LEAD AND GROUND P ADDLE MA TERIAL: COPPER ALLOY

3. LEAD AND GROUND P ADDLE PLA TING: Sn/Pb SOLDER

4. DIMENSIONS ARE IN INCHES [MILLIMETERS].

5. LEAD SPACING TOLERANCE IS NON-CUMULA TIVE

6. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.

PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.7. PACKAGE WARP SHALL NOT EXCEED 0.05mm.

8. ALL GROUND LEADS AND GROUND P ADDLE MUST BE SOLDERED

TO PCB RF GROUND.

9. REFER TO HITTITE APPLICA TION NOTE FOR SUGGESTED PCB LAND PA TTERN.

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AMPLIFIER, 3.35 - 3.55 GHz

Pin Descriptions

V C O s - S M T

15

AMPLIFIER, 3.35 - 3.55 GHz

The circuit board used in the ? nal 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 suf? cient number of via holes should be used to con-nect the top and bottom ground planes. The evalua-tion circuit board shown is available from Hittite upon request.

Evaluation PCB

List of Materials

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AMPLIFIER, 3.35 - 3.55 GHz

Notes:

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