Search results
Query: vector network analyzer
Links: 11 | Categories: 2
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This project is an attempt to build a portable standalone VNA (Vector Network Analyzer).
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This article describes a low-cost vector network analyzer that operates from 200 kHz to 100 MHz, and connects to a personal computer using a USB 1.1 interface By Tom McDermott, N5EG, and Karl Ireland
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60KHz to 60MHz. laboratory quality Vector Network Analyzer project
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Homebrew VNA capable of both transmission and reflection measurements from 0.05 to 60 MHz
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Metro Vector Network Analyzer is a custom antenna analyzer designed and produced by IZ7LDG.
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A 500 kHz to 5.5GHz 2-port vector network analyzer designed for use with any Linux, Windows or MacOS computer. High performance: up to 80 dB dynamic range in the MHz range; up to 40 dB in the GHz range
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In this article the author analyze six different type of VHF handheld antennas and as result of his self training on his new vector network analyzer published this interesting report
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A calibration kit useful when you need known reference impedances to properly calibrate your vector network analyzers.
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The NanoVNA is a very compact handheld Vector Network Analyzer. The NanoVNA is tiny and portable analyzer, and it offers a high performance capabilities with an embedded lcd display.
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Very Tiny Palmtop Vector Network Analyzer by edy555. This is the original GitHub firmware repository implementing the standard 50KHz to 300MHz model
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This article published on QEX details measurements of tree conductivity and permittivity at HF frequencies, addressing a long-debated topic in amateur radio. N6LF conducted experimental impedance measurements on Douglas fir and maple trees using a vector network analyzer with rings of nails inserted into tree trunks. Results showed that tree conductivity increases with frequency while relative permittivity decreases, similar to soil characteristics. Measured conductivity ranged from 0.06 to 0.4 S/m at 10 MHz, aligning with values used in previous research. These findings validate that NEC modeling can reliably estimate trees' substantial impact on HF antenna performance.