Harper Crestwell (8 results)

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Taschenbuch. Condition: Neu. Neuware.

Taschenbuch. Condition: Neu. Neuware - You've spent hours calibrating your NanoVNA, sweated over Smith charts, and finally got your antenna tuned to something respectable. Now you're staring at the screen wondering: Is this actually right Because deep down, you know that a $50 VNA showing -28 dB return loss is either a masterpiece of engineering-or a masterpiece of self-deception. And the difference matters.NanoVNA Advanced Techniques is the book that closes the gap between 'good enough for ham radio' and 'good enough to sign your name to.' Written for operators who have already mastered the basics and are hungry for precision, this is the definitive guide to squeezing laboratory-grade accuracy from a budget instrument through advanced calibration methods, custom firmware, PC automation, and professional measurement workflows.Inside, you'll discover how to build and characterize your own calibration kits that outperform the generic standards that came with your device. You'll learn when TRL calibration outperforms SOLT-and how to implement it on hardware that was never designed for it. You'll push past the 3 GHz barrier with harmonic mixing and external downconverters, calibrating extended-frequency setups that your colleagues will swear required a $50,000 PNA. You'll automate entire test sequences in Python, from multi-band sweep sequencers to production-line pass/fail systems that generate PDF reports while you sleep. You'll modify firmware, upgrade clocks, add shielding, and transform a hobbyist tool into an instrument you actually trust.This is not a collection of tricks and hacks. It is a systematic education in the mindset of the precision engineer: quantifying uncertainty, documenting traceability, and building measurement records that stand up to scrutiny. Whether you're characterizing cavity filters for satellite work, tuning 5G components, establishing a traceable RF lab on a shoestring, or simply tired of wondering whether your numbers are real-the techniques in these pages will change how you measure forever.The NanoVNA was never supposed to do what you're about to make it do.Grab your copy today and prove the skeptics wrong.…

Condition: New. Print on Demand.

Condition: New. Print on Demand.

Paperback. Condition: new. Paperback. You've built the circuit. It looks right. It should work. But when you power it up, the signal is weak, the filter is deaf, or the amplifier sings its own unwanted song into the ether. The schematic promised performance. Reality delivered disappointment. Somewhere between theory and copper, your design betrayed you - and you have no way to see where, or why.Every RF engineer and maker hits this wall. The tools that reveal the truth - professional vector network analyzers - cost more than a car. So you guess. You swap components. You hope. And you waste weeks chasing problems that a single measurement would have exposed in minutes.The NanoVNA changed the rules. A pocket-sized vector network analyzer that costs less than a dinner out, yet measures the S-parameters that define how your circuits actually behave at radio frequencies. But owning the tool is not the same as wielding it. Without the knowledge to interpret what it shows, you are still guessing - just with prettier graphs.NanoVNA Circuit Design Lab closes that gap. This is the third book in the definitive NanoVNA series, and it is built for the circuit designer who is done with guessing and ready for precision.Inside, you will learn to characterize every component that matters in your signal chain. Design and verify filters - low-pass, high-pass, band-pass, and notch - measuring insertion loss, return loss, shape factor, and the group delay that determines whether your digital signal arrives intact or smeared beyond recognition. Characterize amplifiers for gain, stability, and matching, reading S21, S11, S22, and S12 with the confidence of someone who understands what each parameter demands from your design. Test cables for loss, impedance, and hidden faults, using time-domain reflectometry to pinpoint the exact meter where water crept in or a connector failed. Measure passive components - inductors, capacitors, resistors, transformers - revealing the parasitic elements that datasheets bury in fine print. Build and verify directional couplers, power dividers, hybrids, and isolators. Take your prototypes from bench to production with calibration discipline, de-embedding techniques, environmental testing, and statistical rigor that separates amateur builds from professional products.Each technique is grounded in real projects: a 2.4 GHz ISM band filter, a low-noise amplifier for satellite reception, a crystal filter group delay analysis for CW and SSB communications, a hand-wound toroidal inductor Q-factor comparison, a complete antenna feed line evaluation. You will not just read about methods. You will see them applied, interpreted, and refined until the measurement matches the intent.The writing is clear, direct, and technically deep - no filler, no fluff, no forced enthusiasm. Just the knowledge you need to make circuits that work, documented with the rigor that lets you replicate, improve, and ship.If you are an electronics engineer tired of specifying components you have never truly measured, a maker ready to move from working once to working always, a ham radio operator optimizing a station that deserves better than guesswork, or a student building the intuition that lectures alone cannot provide - this book is your next step.Stop building blind. Start characterizing with precision. Add NanoVNA Circuit Design Lab to your workbench today. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. …

Paperback. Condition: new. Paperback. You've spent hours calibrating your NanoVNA, sweated over Smith charts, and finally got your antenna tuned to something respectable. Now you're staring at the screen wondering: Is this actually right? Because deep down, you know that a $50 VNA showing -28 dB return loss is either a masterpiece of engineering-or a masterpiece of self-deception. And the difference matters.NanoVNA Advanced Techniques is the book that closes the gap between "good enough for ham radio" and "good enough to sign your name to." Written for operators who have already mastered the basics and are hungry for precision, this is the definitive guide to squeezing laboratory-grade accuracy from a budget instrument through advanced calibration methods, custom firmware, PC automation, and professional measurement workflows.Inside, you'll discover how to build and characterize your own calibration kits that outperform the generic standards that came with your device. You'll learn when TRL calibration outperforms SOLT-and how to implement it on hardware that was never designed for it. You'll push past the 3 GHz barrier with harmonic mixing and external downconverters, calibrating extended-frequency setups that your colleagues will swear required a $50,000 PNA. You'll automate entire test sequences in Python, from multi-band sweep sequencers to production-line pass/fail systems that generate PDF reports while you sleep. You'll modify firmware, upgrade clocks, add shielding, and transform a hobbyist tool into an instrument you actually trust.This is not a collection of tricks and hacks. It is a systematic education in the mindset of the precision engineer: quantifying uncertainty, documenting traceability, and building measurement records that stand up to scrutiny. Whether you're characterizing cavity filters for satellite work, tuning 5G components, establishing a traceable RF lab on a shoestring, or simply tired of wondering whether your numbers are real-the techniques in these pages will change how you measure forever.The NanoVNA was never supposed to do what you're about to make it do.Grab your copy today and prove the skeptics wrong. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.…