18.10 GHz to 26.60 GHz Quadband VCO

Data Sheet

HMC8364

Rev. A

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FEATURES

Set of 4 narrow-band VCOs with consistent sensitivity vs.

frequency

RF and tuning ports common to all 4 VCOs

RF output operates from fundamental oscillators with no

subharmonic oscillations

Up to 4 dBm RF output power

Power mute capability

No external resonator required

40-lead, 6 mm × 6 mm LFCSP

APPLICATIONS

Electronic test and measurement

Industrial and medical instrumentation

Point to point and multipoint radios

Aerospace and defense

Wireless communication infrastructure

FUNCTIONAL BLOCK DIAGRAM

1

NIC

2

GND

3

NIC

4

GND

5

RFOUT

6

GND

7

NIC

8

VCB

9

NIC

10

NIC

23

VC3

24

GND

25

VC2

26

GND

27

28

GND

29

VC1

30

NIC

HMC8364

22

VC4

PACKAGE

BASE

21

NIC

GND

18.10GHz TO

20.10GHz

19.90GHz TO

22.30GHz

22.10GHz TO

24.10GHz

23.90GHz TO

26.60GHz

Figure 1.

GENERAL DESCRIPTION

The HMC8364 is a gallium arsenide (GaAs), quadband, mono-

lithic microwave integrated circuit (MMIC), voltage controlled

oscillator (VCO) designed to offer wideband frequency capabilities

without compromising phase noise performance. The device inte-

grates four independent, narrow-band VCOs with overlapping

frequency bands, operating at a fundamental frequency range

of 18.10 GHz to 26.60 GHz. The consistent tuning sensitivity

across all frequency bands simplifies the synthesizer loop filter

design.

The tuning port is common to all VCO cores for a simpler

design of the phase-locked loop (PLL) feedback path. The

HMC8364 also offers a low typical current consumption of

99 mA for power sensitive applications.

The HMC8364 integrates resonators, negative resistance devices,

and varactor diodes. The monolithic structure of the oscillator

offers very low phase noise, optimal temperature stability, and

is immune to vibration and process variation.

The four VCOs are packaged in a single, 6 mm × 6 mm,

surface-mount lead frame chip scale package (LFCSP), and

require no external matching components.

Combined with a high frequency, high performance PLL, the

ADF41513, the HMC8364 offers a complete RF or microwave

frequency generation solution.