HMC498LC4TR

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HMC498LC4TR

RF AMPLIFIER 17GHZ-24GHZ 24TFQFN

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Spécifications

Supplier Analog Devices Inc.
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Frequency 17GHz ~ 24GHz
P1dB 25.5dBm
Gain 21dB
NoiseFigure 4.5dB
RFType VSAT
Voltage-Supply 5V
Current-Supply 250mA
TestFrequency 24GHz
MountingType Surface Mount
Package/Case 24-TFQFN Exposed Pad

Vue d'ensemble

Description

HMC498LC4TR is a GaAs MMIC RF/microwave mixer from Analog Devices (Hittite). It’s a three‑port device that translates RF to IF (or the reverse) by mixing the RF port with a local‑oscillator signal. The “LC4” indicates a ceramic leadframe package, and “TR” = Tape & Reel.
Key points:
- Ports: RF, LO, and IF; designed for 50 Ω systems with integrated matching networks.
- Use: frequency translation in receivers, upconverters/downconverters, radar, SATCOM, and microwave links.
- Requirements: external LO drive and bias per the datasheet; follow proper grounding and RF layout to maintain isolation and linearity.
- Features: compact package with good port isolation and suitable IP3/convert loss for microwave applications (exact values in the datasheet).
For exact frequency range, conversion loss, IP3, noise figure, biasing, and mechanical dimensions, refer to the HMC498LC4TR datasheet on Analog Devices’ website.

Features

I don’t have the exact datasheet on hand. Please share a link or the document and I’ll extract the precise features.
For quick reference, typical features you’ll see in HMC498LC4TR-like mixers:
- 50-ohm matched RF/LO/IF ports
- Requires a small LO drive (a few dBm)
- Low conversion loss with good port isolation
- Compact surface-mount package (small footprint)
- Wide operating temperature range (often -40°C to +85°C)
- Grounded/shunt bias options and minimal external matching
Provide the datasheet link for exact specs (frequency ranges, conversion loss, isolation, biasing, and packaging).

Package

The HMC498LC4TR is in an LC4 leadless 4×4 mm surface‑mount chip carrier (SMD) package; the "TR" suffix indicates tape‑and‑reel packaging for automated assembly.

Pinout

Pin count: 4 package pads plus an exposed ground paddle (5 electrical contacts total).
Function: RF MMIC amplifier device — the four pads are used for RF input, RF output, DC bias (Vcc) and a pad that may be NC/control depending on the variant; the exposed paddle is the RF/DC ground/thermal return. For exact pad numbering and function (and any enable/shutdown or matching network notes) refer to the official HMC498LC4TR datasheet.

Manufacturer

Manufacturer: Analog Devices, Inc. (HMC prefix from Hittite Microwave Corporation — Hittite was acquired by Analog Devices in 2014).
What kind of company: Analog Devices is a multinational semiconductor company that designs and manufactures high-performance analog, mixed-signal and RF/microwave integrated circuits and components for communications, industrial, instrumentation, aerospace/defense and other markets.

Application

Applications for HMC498LC4TR include:
- RF/microwave wireless front-ends (point-to-point links, base stations, backhaul)
- Radar and surveillance systems
- Satellite communications terminals
- Aerospace and defense RF hardware
- Test and measurement equipment

Equivalent

There are no guaranteed exact drop‑in equivalents to the HMC498LC4TR. For a true replacement, consult Analog Devices/Hittite cross‑reference or support. Similar-function alternatives include MMIC RF amplifiers from Mini‑Circuits (ERA/MAR series) and Qorvo RF gain blocks, but you must match frequency range, gain, NF, IP3, bias/current, package and pinout before substituting.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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