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A Low Frequency Adapter for your Vector Network Analyzer (VNA)
capability plus a high impedance input compatible with scope probes to drive 50 Ω loads over a 60 MHz bandwidth. I always wished my Hewlett-Packard. Vector ... Learn More
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2012-2016 Extra Class Question Pool - ARRL
Never use a high impedance probe to measure a low impedance circuit. C. Never ... As an RF detector. D. As a high voltage rectifier. ~~. E6B10 (B). In ... Learn More
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Extra Class (Element 4) Question Pool - ARRL
Jul 1, 2024 ... Never use a high-impedance probe to measure a low-impedance circuit ... The same as the output impedance of the RF generator. E9F09. What ... Learn More
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Better Results with Indoor Antennas - ARRL
The result is a very high impedance induced in series with the pipe, conduit or wire. ... 'Brown, "RF Current Probe," Ham Radio, October. 1968, p. 76. Learn More
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The HZX Headphone Adapter - ARRL
Looking for a pair of high-quality, high-impedance headphones for that crystal radio ... The higher-impedance units caused less detector loading and ... Learn More
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High Performance Direct Conversion Receivers - ARRL
My favorite speaker for Amateur Radio applications is the compact Minimus 7, available for $49.95 from Radio Shack. It is too heavy for portable work, unless ... Learn More
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Study Guide for Exam Questions - ARRL
As an RF detector. D. As a high voltage rectifier. How are junction ... Never use a high impedance probe to measure a low impedance circuit. C. Never ... Learn More
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A Software Defined Radio for the Masses, Part 4 - ARRL
input will be high impedance. This means that the sampling capacitor on the ... If you apply 1 V of RF into the detector, you get 1 V of audio out on ... Learn More
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The EMI Finder - ARRL
Some of the typical broadband emit- ters of radio frequency interference. (RFI) that you can pinpoint are power- line insulators, computers and indus- trial ... Learn More
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Q Factor Measurements on L-C Circuits - ARRL
Since SWR analyzers are becoming commonplace in many amateur radio rooms, it then becomes tempting to use this instrument for Q measurements on. L-C circuits. Learn More
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