RF with Ron and Brady - This topic is a little different than previous presentations, but is important considering the widespread use of very big and very small numbers in cable. Ours is a world of numbers, and in cable we tend to use a lot of really big and really small numbers. In reality, The post Very big and very small numbers appeared first o…

Hosted by Brady Volpe, Founder of VolpeFirm and Chief Product Officer at OpenVault, and featuring John Downey, DOCSIS Sr. Industry Consultant, this livestream will focuses on cable / broadband hot topics such as: 👉 Reddit Rants and Raves: We'll dive into recent user feedback on Starlink and Google Fiber, straight from Reddit. 👉 CommScope's Big The …

Some people say coax but Ron likes coaxial cable. Coaxial cable has been a key component in our networks dating back to the industry's early days. As such, it's easy to take coax for granted without really understanding just what it is. Here's your chance to learn more about coaxial cable, along with a high-level The post Coaxial Cable Impedance, A…

Upgrading Your HFC Plant For The Next 5 Years - the how, the why and the when - listen to uur latest episode of Get Your Tech On! Hosted by Brady Volpe, Founder of VolpeFirm and Chief Product Officer at OpenVault, and featuring John Downey, DOCSIS Sr. Industry Consultant, this livestream focuses on the technical The post Upgrading Your HFC Plant Fo…

Join network maintenance experts Brady Volpe, Founder of VolpeFirm and CPO OpenVault, and Mike O'Dell, Distinguished Engineer at Comcast, as they reveal the 5 critical pillars of network maintenance. In this insightful livestream, you'll discover: 👉 Proactive strategies to prevent HFC network problems 👉 Effective plant maintenance techniques to min…

The simple half-wave dipole antenna has played a role in the RF side of the cable industry for decades. Many are familiar with its use for signal leakage measurements. The half-wave dipole antenna also forms the basis for other types of antennas, such as Yagi-Uda and log periodic dipole array antennas used at many headends The post The half-wave di…

Embark on an enlightening journey with our latest episode of Get Your Tech On! Hosted by Brady Volpe, Founder of VolpeFirm and Chief Product Officer at OpenVault, and featuring John Downey, DOCSIS Industry Technical Expert, this livestream is a treasure trove for cable and telecom enthusiasts. In this captivating episode, we unravel the complexitie…

Ready to level up your RF knowledge in the world of HFC plants? Our next episode is a must-watch just for you! Get pumped as our host extraordinaire, Brady Volpe, teams up with the renowned Ron Hranac for a knowledge-packed session. The presentation will cover the widespread myth of a so-called capacitance effect supposedly being The post Myth of c…

DOCSIS 3.1 extended with an eye on DOCSIS 4.0 :: Watch Brady Volpe – the founder of The Volpe Firm and the Chief Product Officer at OpenVault. By his side, the legendary John "Data Dynamo" Downey, a CMTS Guru whose knowledge of cable systems bends the very fabric of the internet. Together, they're diving deep The post DOCSIS 3.1 Deep Dive: OFDM vs.…

What is signal leakage field strength? Are you keen to expand your knowledge on RF leakage within HFC plants? Our upcoming episode is tailored just for you! We're excited to have our host Brady Volpe and our well know guest Ron Hranac lead an insightful session on Signal Leakage Field Strength. Ron is set to The post What is Signal Leakage Field St…

Beneath the Surface: Exploring Skin Effect and Depth in Coaxial Cables Welcome to another enlightening episode in our series where we dig deep into the technical phenomena that shape our understanding of cable systems. I'm Brady Volpe, and I'm thrilled to have Ron Hranac back with us, a seasoned expert whose insights into the cable The post Beneath…

What is RF? Join us as we venture into the world of "What is RF" RF (Radio Frequency) . I'm Brady Volpe, and alongside the incomparable Ron Hranac, we're set to guide you on this next phase of our signal journey. Diving into the Details: In the context of Hybrid Fiber-Coaxial (HFC) networks, RF (Radio The post What is RF? appeared first on Volpe Fi…

Step right into the electrifying next episode of "Get Your Tech On"! Get ready for a turbocharged livestream where we're diving headfirst into the magical world of DOCSIS 4.0 wizardry and the latest updates. Our fearless host, Brady Volpe, the tech maestro behind The Volpe Firm and now also Chief Product Sorcerer at OpenVault, is The post DOCSIS 4 …

Navigating the Ingress Labyrinth: Management, Mitigation, and Mastery (Part 2) on Youtube Join us as we venture further into the world of Ingress in this sequel to our illuminating episode. With the foundations of Ingress laid out in Part 1, this segment dives into the art and science of managing this elusive phenomenon. I'm Brady The post Navigati…

Into the Ingress Abyss: Understanding Leaks, Causes, and Consequences (Part 1) Join us for another enlightening episode as we delve deep into the world of Ingress. I'm Brady Volpe, accompanied by the knowledgeable Ron Hranac, here to guide you through the complexities and curiosities of signal disruptions. What's on the agenda? Terminology Demystif…

Welcome to another thrilling episode of "Get Your Tech On"! In this highly informative livestream, we delve into the realm of managing DOCSIS 3.1 channel bonding to ensure optimal performance in your HFC network. Join host Brady Volpe, founder of The Volpe Firm and Chief Product Officer of OpenVault, as he teams up with the The post Managing DOCSIS…

Distortion, Signal Leakage, Codewords and more - Did you know? Part Two picks off from our last episode of "Did You Know? DOCSIS: Back to Basics and Clearing Misconceptions," part of our enlightening Back to Basics series. I'm Brady Volpe, your host and guide for this journey into the intriguing world of DOCSIS. In this The post Distortion, Signal …

Welcome to another engaging episode of Get Your Tech On, titled "Your Questions, Our Answers: SNR (RxMER) and DOCSIS 3.1 Modems." In this episode, we delve into listener queries about DOCSIS technology, focusing on Signal-to-Noise Ratio (SNR), RxMER, and the details of DOCSIS 3.1 modems. Our host, Brady Volpe, founder of NimbleThis and The Volpe Th…

Welcome to "Did You Know? DOCSIS: Back to Basics and Clearing Misconceptions," part of our enlightening Back to Basics series. I'm Brady Volpe, your host and guide for this journey into the intriguing world of DOCSIS. In this episode, I'm joined by the esteemed Ron Hranac, who will be our guest presenter. Together, Ron and The post Did You Know? DO…

Welcome, Brady Volpe and John Downey will dive into the world of UTSC (Upstream Triggered Spectrum Capture) for return path monitoring in a DAA world, how cable operators can harness these game-changing technologies. Join us as we discuss the latest updates on UTSC and PNM. Whether you're a cable operator looking to stay ahead of The post UTSC appe…

Join cable industry veteran Ron Hranac and host Brady Volpe in this must-watch video on "Introduction to Carrier-to-Noise: Learning the Basics." This video is a comprehensive guide to understanding Carrier-to-Noise Ratio (CNR) and how it works in real-world applications. We'll cover everything from Thermal Noise to Noise Figure to Practical CNR mea…

Welcome back, tech enthusiasts! I'm your host Brady Volpe, founder of Nimble This and the Volpe Firm, and I'm thrilled to be here with another exciting episode of "Get Your Tech On." Today, we have a very special guest with us, Ron Hranac, who will be the main presenter on our topic, "Putting the Decibel The post Putting the Decibel to Work appeare…

Welcome to the future of lightning-fast internet connectivity! In this video, Brady Volpe and John Downey will dive into the exciting world of DOCSIS 3.1 and DOCSIS 4.0, showcasing how cable operators can harness these game-changing technologies to provide unparalleled speeds and robust networks for their customers. We'll explore the key difference…

Signal Level 101: Learning the Basics with Brady Volpe and Ron Hranac Welcome to our YouTube show where we are joined by two renowned experts, Brady Volpe and Ron Hranac, as we explore the fascinating world of signal level, current and voltage, and power! I am your host, Brady Volpe, and together with Ron Hranac, The post Signal Level appeared firs…

Welcome to the latest episode of "Did You Know" with Brady Volpe and special guest John Downey of Cisco. In this episode, we'll be discussing "Did you know? Balancing Amplifiers and Other Critical Broadband Concepts" some of the most important topics related to balancing amplifiers, cable & fiber, signals & spectrum analyzers, downstream signal lev…

Why should PNM be on your mind? Discover the power of PNM in this informative panel discussion with industry leaders Brady Volpe, Jason Rupe of CableLabs, and Larry Wolcott of Comcast. Learn why PNM should be top of mind for anyone in the tech industry and the numerous benefits it offers. Tune in now and The post Why should PNM be on your mind? app…

What is a dB? RF and Cable Basics :: Brady Volpe and Ron Hranac discuss RF and cable basics in a new series designed to help those who are interested in understanding RF and Cable TV technology a little better. In this first episode we cover what is a decibel (dB). This is a fundamental The post What is a dB? appeared first on Volpe Firm.…

Brady Volpe, John Downey, Jason Miller (Cisco) and Flavio Marcon (Effigis) discuss how OFDM Upstream Data Profile (OUDP) test burst in cable modems are used in the measurement of cable leakage tests in high-split cable plant. • What is leakage testing and why do we need it? • How is leakage testing done today • The post OUDP Leakage Detection appea…

OFDMA Capacity Estimation, pre-eq, LTE & 5G Ingress and more! Your questions answered Brady Volpe and John Downey discuss OFDMA Capacity Estimation, pre-eq, LTE & 5G Ingress and more! In this episode we cover incoming questions from our listeners covering a wide variety of topics. Be sure to join and ask your own questions in The post OFDMA Capacit…

Brady Volpe and John Downey discuss what you can expect to get out of DOCSIS 3.1 cable modem today. How many modems can transmit in a 6.4 MHz OFDMA channel? How much life is in the DOCSIS 3.1 modem for your network. Also a SCTE EXPO overview and wrap. What is Possible with a The post What is Possible with a DOCSIS 3.1 Modem Today appeared first on …

As technology continues to evolve, DOCSIS Softwarization in a DAA and virtualized network is a necessity. What does this mean exactly? Join Brady Volpe with special guest Tadeusz Ciesielski, Chief Technology and Innovation Officer at Falcon V Systems as they discuss the evolving technology hurdles cable operators face as DOCSIS hardware becomes inc…

Brady Volpe and John Downey discuss the theory of operation of return path signal levels in the return path. Why does the transmit power increase, rather than decrease like the downstream? How do two way splitters impact upstream and downstream signal levels? Why is the return always higher than the value the of tap The post Understanding Cable Net…

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey (of Cisco) discuss portions of the document "Understanding Cable Network RF Spectrum Displays". This document, created by CableLabs and SCTE Working Group 7 (WG7) is a masterpiece of understanding full band capture (FBC) and the impairments found with FBC. We have The po…

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey (of Cisco) answer viewers questions about upstream SNR / Diplex filters / OFDMA / ICFR Want to know what might be interesting and useful to you? Join in on the discussion and ask questions in the chat in another power hour The post Technology Questions Answered SNR, OFDM…

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey (of Cisco) talk the latest technologies and trends in the Cable industry, especially around DOCSIS 3.1 and 4.0. We will be focused on key topics from Light Readings Next-Gen Technologies & Strategies. Want to know what might be interesting and useful The post Cable Next …

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey (of Cisco) discuss Upstream Transmit Power with OFDMA and elaborate why a cable modem’s transmit power is extremely important. It not only determines if the cable modem will be able to come online and register with the CMTS (cable modem termination The post Upstream Tran…

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey (of Cisco) elaborate on how to use PNM tools to identify house amps, Cable Modems with filter issues, etc. So houses can be identified with incompatible filters for intended UpStream spectrum deployments. Want to know what might be interesting and The post House amps, Ca…

In this episode Brady Volpe of Nimble This and The Volpe Firm, discusses PTP clocks with subject matter experts Jim Olsen from Microchip and Rob Jodrie from Syncworks. This discussion includes a very high level break down of PTP profiles and why you should care? The evolution of PTP, Boundary clocks, best practices and things The post PTP Clocks ap…

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey of Cisco discuss the best of SCTE EXPO 2021 The discussion is on all things DOCSIS. Tips, suggestions and recommendations. Another power hour of cable. The best of SCTE EXPO 2021: SCTE EXPO 2021 wrap up Exceptional show, watch The post SCTE EXPO 2021 Wrap-up appeared fir…

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey of Cisco discuss interpreting Full Band Capture (FBC) and RxMER which is the MER of the subcarriers in the OFDM channel. Cable is a technology business and we seem to always come up with new terms and new things The post Interpreting Full Band Capture and RxMER appeared …

Cisco vCMTS? Brady Volpe founder of The Volpe Firm and Nimble This, John Downey and Jason Miller Technical Marketing Engineer of Cisco discuss Cisco's virtual CMTS (vCMTS). The topic came up during ANGACOMs 2021 presentation. I didn't know Cisco even had a vCMTS, did you? Well, let's find out what they are doing and if they The post Cisco vCMTS app…

In this episode Brady and John discuss what happens to an impaired DOCSIS Primary channel & ANGA COM highlights. When an impaired DOCSIS Primary channel occurs, do to one ore more impairment, how does it impact other DOCSIS channels? Primary being a type of "management" SC-QAM channel. Does it make a difference? We also The post DOCSIS Primary Chan…

Dynamic Range Window (DRW) and OFDMA Upstream Troubleshooting. Tips, suggestions and recommendations. Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco. More and more operators are introducing OFDMA into their networks and experiencing a learning curve with its introduction and Dynamic Range Window issues. …

The Road to DOCSIS 4.0. Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco and special guest Jeff Finkelstein Executive Director of Advanced Technology of COX Communications. How to go from sub-split, to targeted mid-split or high-split, then finally to ultra-high-split and 1.8 GHz. Ask any questions you The…

OFDMA Upstream Troubleshooting. Tips, suggestions and recommendations. Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco. More and more operators are introducing OFDMA into their networks and experiencing a learning curve with its introduction. Find out ways to overcome these issues and ask any questions yo…

Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco, show real world examples of testing Coax, Taps and other passives. The discussion is on all things DOCSIS. NanoVNA (Vector Network Analyzer) testing: General intro Test equipment RF basics Test One Diplex filter explained active equipment has a The post Nan…

Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco, show real world examples of testing Coax, Taps and other passives. The discussion is on all things DOCSIS. NanoVNA (Vector Network Analyzer) testing: General intro Test equipment Test for bad cable, passives and amps Test return loss, insertion The post Nan…

Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco, explore 204 MHz in OFDMA deeper with a brief overview of the differences between OFDMA and OFDM. Also with a discussion on LEO satellites Starlink by SpaceX and answer more questions from our listeners. The discussion is on The post OFDMA 204 MHz Upstream a…

Follow part 3 of this series on cloud native virtualization of DOCSIS and broadband networks? Brady Volpe and Asaf Matatyaou, Vice President, Solutions and Product Management, Cable Edge Business at Harmonic, explore this topic as it is becoming a big focus in the way we deploy and manage our networks through cloud native virtualization. The post V…