Broadband 0.1–26.5 GHz GaAs pHEMT SPDT RF Switch with Low Insertion Loss and High Isolation
Specifications
Manufacturer:
Analog Devices Inc.
Product Number:
HMC349ALP4CE
Description:
IC RF SWITCH SPDT 4GHZ 16LFCSP
Highlight:
0.1–26.5 GHz RF Switch
,Low Insertion Loss SPDT Switch
,High Isolation GaAs pHEMT Switch
Introduction
Broadband GaAs pHEMT SPDT RF Switch (0.1–26.5 GHz)
Core Function
The HMC349ALP4CE is a high-performance, monolithic GaAs pHEMT single-pole double-throw (SPDT) RF switch engineered for broadband operation across the 0.1 GHz to 26.5 GHz frequency range. It delivers exceptional electrical performance, including low insertion loss (typically 0.4 dB at 10 GHz), high isolation (minimum 30 dB at 10 GHz), and fast switching speed (less than 20 ns), making it ideal for routing high-frequency signals between two paths with minimal signal degradation.
The device integrates internal bias circuitry and requires only positive supply voltages (+3 V to +5 V), simplifying system integration while ensuring reliable operation in demanding RF/microwave environments.
Key Applications
- Test & Measurement Equipment: Used in spectrum analyzers, network analyzers, and signal generators for fast signal path switching, enabling accurate and efficient testing of RF components.
- Wireless Communication Systems: Ideal for 5G NR, satellite communication (SATCOM), and microwave backhaul systems, supporting signal routing in transceivers, base stations, and user terminals.
- Aerospace & Defense Electronics: Suitable for radar systems, electronic warfare (EW) equipment, and avionics, where broadband performance, high isolation, and rugged reliability are critical.
- Broadband Data Transmission: Employed in point-to-point (P2P) microwave links and high-speed data communication systems to switch between redundant paths or different frequency bands.
- Industrial & Medical Devices: Used in industrial sensors, microwave imaging systems, and medical diagnostic equipment requiring precise RF signal routing with low loss.
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