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HMC862ALP3E

VCO, 5800-6400MHz, -85dBc/Hz phase noise, QFN-24

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Pieza del fabricante：

HMC862ALP3E

Paquete：

QFN-24 (4.0 x 4.0 x 0.90 mm)

Marca：

Categorías de productos：

Circuitos integrados IC, Circuitos integrados de interfaz

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Descripción

HMC862ALP3E Overview

The HMC862ALP3E is a GaAs MMIC voltage-controlled oscillator (VCO) from Analog Devices, frequency range 5.9GHz-7.1GHz, phase noise -108dBc/Hz at 100kHz, output power +4dBm, in a QFN-24 package, suitable for microwave communication and radar systems.

Key Features

Frequency range: 5.9GHz-7.1GHz
Output power: +4dBm
Phase noise: -108dBc/Hz at 100kHz
Tuning voltage: 0V-14V
Supply voltage: 5V
Supply current: 120mA

Introducción del producto:HMC862ALP3E Presentación del producto

The HMC862ALP3E is a broadband voltage-controlled oscillator (VCO) from Analog Devices, covering 5800 MHz to 6400 MHz in a 24-lead QFN (4 mm x 4 mm) surface-mount package. It features ultra-low phase noise of -85 dBc/Hz at 10 kHz offset and -110 dBc/Hz at 100 kHz offset, with +3 dBm minimum output power. The VCO tuning voltage ranges from 0.5 V to 14 V for full frequency coverage, and the device operates from a +5 V supply at 85 mA. The RoHS-compliant plastic package enables standard SMT assembly without wire bonding.

Principio de funcionamiento:HMC862ALP3E Principio de funcionamiento

The HMC862ALP3E is a GaAs MMIC VCO utilizing a cross-coupled FET oscillator topology with on-chip LC tank circuit and varactor diode for frequency tuning. The oscillator core generates a stable sinusoidal output whose frequency is determined by the LC resonant frequency, which is varied by the tuning voltage applied to the varactor. The tuning voltage modulates the varactor capacitance, shifting the resonant frequency across the 5800-6400 MHz range. An output buffer amplifier provides isolation between the oscillator core and the load, maintaining frequency stability against load pull variations. The VCO achieves low phase noise through high-Q on-chip inductors and optimized transistor biasing. The Vtune input is AC-coupled with an internal reference, and the device requires external bypass capacitors on the VCC supply pins.

Descripción de la clavija:HMC862ALP3E Definición y funciones de las clavijas

Pin	Nombre	Descripción
1-5, 8-12, 17-21, 24	GND	Ground; connect all to PCB RF ground plane
6	VTUNE	Tuning voltage input (0.5-14 V); controls output frequency
7	VCC1	Supply voltage +5 V; requires 100 pF and 2.2 uF bypass
13	VCC2	Supply voltage +5 V for buffer; requires 100 pF bypass
14	RFOUT	RF output; AC coupled, 50 Ohm matched
15, 16	VCC3	Supply voltage +5 V for oscillator core
22, 23	NC	No connect; leave floating

Application Scenarios:In which products and applications isHMC862ALP3E usado

PLL Frequency Synthesizers: Local oscillator generation in C-band frequency synthesizer loops
Point-to-Point Radio: Transceiver LO source for 6 GHz microwave backhaul links

Satellite Upconverters: C-band upconverter LO in VSAT and earth station equipment
Test Equipment: Signal source for microwave signal generators and synthesizers
Military Communications: Frequency-agile LO in secure tactical radio systems

HMC862ALP3E is designed for local oscillator (LO) generation in microwave radio links, satellite communication terminals, and test equipment covering 6.5-26GHz output frequencies. The active multiplication provides +14dBm output power, sufficient to drive most mixer LO ports directly without additional amplification. Key applications include point-to-point microwave backhaul at 10-23GHz, VSAT transceivers, radar frequency conversion chains, and electronic warfare frequency synthesis. The +5V single-supply operation simplifies bias networks in dense RF front-end modules.

Alternative Models:What chips are recommended as replacements for HMC862ALP3E

Modelo	Fabricante	Freq Range	Phase Noise	Pout	Paquete
HMC733	Dispositivos analógicos	5.8-6.4 GHz	-85 dBc/Hz	+3 dBm	QFN-24
HMC587	Dispositivos analógicos	6-7 GHz	-90 dBc/Hz	+4 dBm	QFN-24
HMC732	Dispositivos analógicos	5.3-5.9 GHz	-85 dBc/Hz	+2 dBm	QFN-24
ROS-5860+	Mini-Circuits	5.8-6.6 GHz	-80 dBc/Hz	+4 dBm	SMD
ZOS-5750+	Mini-Circuits	5.65-5.85 GHz	-92 dBc/Hz	+4 dBm	SMD

HMC862ALP3E is an x2 active multiplier from ADI/Hittite in 3x3mm QFN-16 covering 6.5-26GHz output. The HMC561LP3ETR provides x2 multiplication at 8-21GHz with +14dBm output power. The HMC564LP3 offers x2 at 14-28GHz for higher frequency LO generation. For passive multiplication, Mini-Circuits MK-2 series provides broadband doublers without DC power. The HMC-X2-0001 bare die offers x2 multiplication for hybrid module integration.