7GHz RF Amplifier Layout Design Guide
A guide to designing the layout for an RF amplifier circuit using the FSX017WF (GaAs FET), including substrate specifications and simulation results.
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Showing 376-400 of 453 articles in this archive.
OFDM vs. CDMA: Key Differences in Wireless Communication
Explore the differences between OFDM and CDMA technologies, comparing their performance, capacity, and suitability for various wireless applications.
40 Gigabit Ethernet Physical Layer (40GbE PHY) Explained
Explore the architecture and sublayers of the 40 Gigabit Ethernet physical layer, including RS, XLGMII, PCS, FEC, PMA, PMD, and AN.
100 Gigabit Ethernet Physical Layer (100 Gbps Ethernet PHY)
Explores the architecture and features of the 100 Gigabit Ethernet Physical Layer (PHY), including PCS sublayer, multilane transmitter and receiver concepts.
10 Gigabit Ethernet Physical Layer (10GbE PHY)
Explore the 10 Gigabit Ethernet (10GbE) physical layer, its subgroups (10GBASE-R, X, T, W), and sublayers like XGMII, PCS, PMA, PMD, and MDI. Learn their functions and specifications.
TD-SCDMA Physical Layer Overview
Explore the TD-SCDMA physical layer, focusing on the TDD mode within the UTRA framework. This overview details the transmitter modules in a 1.28Mcps system.
Troubleshooting UE Connection Failures: Immediate Assignment Issues in GSM
A guide to diagnosing why a UE fails to receive an immediate assignment after sending a channel request (RACH) in GSM networks, covering UE transmission and network reception issues.
1 GHz Hairpin Bandpass Filter Design
Learn how to design a 1 GHz Hairpin Bandpass Filter (BPF) using RF simulation software. The article includes substrate specifications and simulation results.
Project Management Professional (PMP) Basics
An overview of project management professional (PMP) concepts, including process groups, knowledge areas, and activity duration estimation.
RF and SoC Device Production Tests: A Comprehensive Guide
Explore common production tests for RF and SoC devices, including VSWR, return loss, gain, IP3, and more, with a detailed test parameter matrix.
PXI for RF and Wireless Test: Vector Signal Generators and Analyzers
Explore PXI systems for wireless testing, focusing on vector signal generators and analyzers. Learn how they're used for WLAN, WiMAX, Zigbee, GSM, and LTE device testing.
RF Power Splitter Design: A Wilkinson Circuit Approach
Explore the design of a 2-way Wilkinson RF power splitter at 800MHz. This design provides equal power division and good impedance matching.
Using Isolators to Protect RF Amplifiers
Learn why placing an RF isolator at an amplifier's output protects it from reflections, preventing damage and maintaining signal integrity.
Communication Systems in Electronics: An Overview
Explore the fundamentals of communication systems in electronics, covering types, components, and applications in wireless and wired technologies.
GSM Radio Link Failure: Causes and Mechanisms
Explores the causes and mechanisms behind radio link failure in GSM networks, covering both mobile and network perspectives.
GSM Handover Failure: Physical Channel Issues and T313 Timeout
This article explains GSM handover failures from UTRAN due to physical channel issues, leading to timer T313 expiry, and outlines the handover procedure.
Mobile Hardware and Software Components: A Comprehensive Guide
Explore the hardware and software components of mobile phones, including the RF transceiver, baseband, OS, and connectivity options.
GSM Control Channel Processing Through Physical Layer
Explore GSM control channel processing in the physical layer, covering SACCH, FACCH, BCCH, PCH, AGCH, and more, as per 3GPP TS 45.003.
Transmission Impairment Types: Effects & Mitigation in Digital Data
Understand transmission impairments in digital communication, their impact on data & effective mitigation/correction techniques to preserve signal integrity. Learn impairments such as attenuation, delay, latency, jitter, dispersion, distortion, crosstalk, echo etc. on digital signal.
GPRS Protocol Stack: Architecture and Layer Functions
Explore the GPRS protocol stack, detailing the functions of Layer 1, Layer 2, and Layer 3, including SM, GMM, SNDCP, LLC, RLC, MAC, and the physical layer.
Troubleshooting GSM CM Service Re-Establishment Failures
Diagnose and resolve frequent call drops in GSM networks due to CM Service Re-Establishment failures. Understand the process, key messages, and troubleshooting steps.
LAU Reject: PLMN Not Allowed Explained
Understanding the 'PLMN not allowed' cause in Location Area Update (LAU) rejects and its implications for mobile station access to different networks.
LAU Reject: Roaming Not Allowed Explained
Learn why a mobile station receives an LAU reject with the cause 'Roaming Not Allowed' and what it signifies.
LAU Reject: No Suitable Cells in Location Area Explained
Understand the 'No Suitable Cells' LAU reject cause in mobile networks. Learn why it happens and how the mobile station responds.
GSM Downlink Packet Switched (PS) Call Flow Explained
Learn about the packet switched (PS) call flow in GSM downlink for data transfer. Understand GPRS attach, PDP context activation, and the channels involved.
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