Part Number: AR8035-AL1B-R

Manufacturer:  Qualcomm

Description: PHY 1-CH 10Mbps/100Mbps/1Gbps 3.3V 40-Pin QFN EP T/R

Shipped from: Shenzhen/HK Warehouse

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The AR8035-AL1B-R, which is a member of Atheros’ Arctic family of devices, is a state-of-the-art, single-port 10/100/1000 Mbps Tri-speed Ethernet PHY that is designed to accommodate a broad variety of different applications. In this in-depth article, we will investigate the capabilities, features, and applications of the AR8035-AL1B-R, as well as the underlying technology that makes it possible.


The AR8035-AL1B-R is a critical component in Atheros’ fourth-generation Ethernet PHY family. It is suitable for a wide range of applications due to its versatility and superior functionality, including enterprise networks, home devices, and carrier infrastructure. These categories include consumer electronics. When working with personal computers (PCs), high-definition televisions (HDTVs), gaming consoles, Blu-ray players, IPTV set-top boxes, media players, IP cameras, network-attached storage (NAS) devices, printers, digital photo frames, and a variety of networking adapters and gateways, the AR8035-AL1B-R is a useful accessory to have.

● Power Efficiency

The AR8035-AL1B-R’s devotion to power efficiency is one of its most notable qualities. Atheros has included their most recent Green Ethos® power-saving technology, ensuring that the PHY consumes as little power as possible throughout operation and even during idle periods. When the cable is unplugged or the port is deactivated, ultra-low power modes are enabled. The PHY additionally optimizes power use based on cable length, resulting in even lower energy consumption. Furthermore, the AR8035-AL1B-R enables Wake-on-LAN (WoL), which allows for system-wide power management.

● Cable Diagnostics

The AR8035-AL1B-R includes on-chip Cable Diagnostics Test (CDT) technology, making it a vital tool for network administrators. CDT can monitor cable length, detect cable status, and detect PHY or linked component faults. The system can detect faults such as cable openings, shorts, impedance mismatches, defective connectors, termination mismatches, and transformer difficulties, allowing network maintenance to be more efficient.

● Energy Efficiency

The AR8035-AL1B-R supports IEEE 802.3az Energy Efficient Ethernet (EEE) in accordance with industry requirements. It also features Atheros’ proprietary SmartEEE technology, which allows legacy MAC and SoC devices that do not support 802.3az to function as part of an energy-efficient network.

Key Features

The AR8035-AL1B-R boasts a host of key features, making it an essential component for modern networking solutions:

  • IEEE 802.3 Compliance: The PHY adheres to 10BASE-Te, 100BASE-Tx, and 1000BASE-T standards.
  • Auto-Negotiation: It supports 1000BASE-T PCS and auto-negotiation with next-page support, ensuring seamless network connectivity.
  • RGMII Interface: The AR8035-AL1B-R offers compatibility with a variety of I/O voltage levels, including 2.5V, 1.8V, and 1.5V, and is compatible with 3.3V I/O. It supports RGMII timing modes with internal and external delay options on the Rx path.
  • Long Cable Reach: It ensures error-free operation even over extended cable lengths, supporting up to 140 meters of CAT5 cable.
  • Green Ethos® Power Saving: The PHY implements advanced power-saving modes, with an automatic DSP power-saving scheme, and supports the 802.3az Energy Efficient Ethernet standard.
  • Advanced Signal Processing: Fully integrated digital adaptive equalizers, echo cancellers, and near-end crosstalk (NEXT) cancellers ensure signal quality.
  • Wake-on-LAN (WoL): The AR8035-AL1B-R can detect magic packets and wake sleeping systems when necessary.
  • Robust Surge Protection: With tolerance for Cable Discharge Events (CDE) up to ±6kV and surge protection for differential and common modes up to ±750V and ±4KV, respectively, it’s built to withstand network challenges.
  • Jumbo Frame Support: The PHY can handle jumbo frames up to 10KB in full-duplex mode.
  • Automatic Diagnostics: It offers automatic baseline wander correction, channel swap, MDI/MDIX crossover, polarity correction, and IEEE 802.3u compliant Auto-Negotiation.
  • LED Modes: Users can program the LED modes for visual diagnostics.
  • Loopback Modes: Multiple loopback modes are available for in-depth diagnostic capabilities.

Functional Capabilities of AR8035: Atheros’ Cost-Efficient Gigabit Ethernet PHY

Atheros’ AR8035 is a low-cost Gigabit Ethernet PHY designed to provide good performance while lowering costs dramatically. This highly integrated analog front end (AFE) and digital signal transceiver is critical for sending and receiving high-speed data via standard Category 5 (CAT5) unshielded twisted-pair cables. This page digs into the functional description of the AR8035, offering insight on its capabilities, compliance with standards, and role within the Arctic family of devices.

● High-Performance Gigabit Ethernet

The AR8035 is designed to support half-duplex and full-duplex 10 BASE-Te, 100 BASE-Tx, and 1000 BASE-T Ethernet. It excels at data transmission and reception at high speeds, making it appropriate for a wide range of applications. The AR8035 delivers a flawless experience while dealing with data-intensive jobs, streaming media, or robust network connectivity.

● 802.3ab Compliance

The AR8035’s full compliance with the 802.3ab standard is a notable feather in its cap. This assures that the PHY follows the Institute of Electrical and Electronics Engineers’ (IEEE) Gigabit Ethernet requirements. Because of its adherence to industry standards, it is a dependable solution for a wide range of network setups and circumstances.

● Reduced Gigabit Media-Independent Interface (RGMII)

To connect to Gigabit-capable Media Access Control (MAC) devices, the AR8035 uses the Reduced Gigabit Media-Independent Interface (RGMII). This technique allows for flawless data transmission, reception, and synchronization by facilitating data flow between the PHY and the MAC.

Advanced Signal Processing

In challenging and noisy networking environments, the AR8035 excels. It integrates a suite of signal processing technologies to enhance signal performance. These technologies include:

  • Echo Canceller: This component eliminates echoes that can disrupt communication quality.
  • Near-End Cross-Talk (NEXT) Canceller: NEXT is a common issue in network cabling; this feature mitigates it, ensuring cleaner and clearer data transmission.
  • Feed-Forward Equalizer: This equalizer compensates for signal distortion, ensuring data integrity.
  • Joint Viterbi: This error-correcting technique enhances the reliability of data transmission.
  • Feedback Equalizer: Similar to the feed-forward equalizer, this component corrects signal distortion to optimize performance.
  • Timing Recovery: Ensures accurate synchronization for smooth data transmission and reception.

Part of the Arctic Family

The AR8035 is not traveling alone. It is a member of the Arctic family, which also contains the AR8031, AR8033, and AR8035. This device family is dedicated to providing high-performance networking solutions at a low cost, making them appropriate for a wide range of applications and industries.


The AR8035-AL1B-R finds applications in an extensive range of devices and scenarios, making it an indispensable component in various industries. It’s particularly well-suited for:

  • Consumer Electronics: From HDTVs to gaming consoles and media players, the PHY enhances network connectivity and power efficiency.
  • Networking Infrastructure: In enterprise and carrier networks, the AR8035-AL1B-R contributes to energy savings and reliable connectivity.
  • Home Devices: Devices like IP cameras, NAS storage, printers, and digital photo frames benefit from its capabilities.
  • Networking Adapters: MoCA, Homeplug (Powerline), EoC adapters, and home routers and gateways rely on the AR8035-AL1B-R for performance and power efficiency.


In summary, the AR8035-AL1B-R is a highly adaptable Ethernet PHY that delivers exceptional power efficiency, advanced diagnostics, and a wide array of features to suit a broad spectrum of applications. With its incorporation of Green Ethos® power-saving technologies, robust support for energy-efficient Ethernet standards, and formidable surge protection, it’s an essential component for modern network solutions.

Whether you’re a network professional, device manufacturer, or tech enthusiast, the AR8035-AL1B-R offers a wealth of benefits to meet your networking needs. For more information or to purchase this outstanding component, contact ICRFQ, a leading electronic component distributor in China, and let them be your electronic solutions partner.

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