Elecraft EC1 Design Contest Entry - QSL.net
Elecraft EC1 Design Contest Entry This design is a low cost, easy to homebrew, 100 - 900 MHz antenna analyzer. A widely available TV/VCR/CATV tuner is used as a radio frequency (RF) signal generator to drive a VHF Mid 128 - 265 MHz VHF Hi 190 - 430 MHz UHF 430 - 960 MHz ... Fetch Content
A Spectrum Analyzer For The Radio Amateur
A Spectrum Analyzer for the Radio Amateur Good tools are priceless when you need ments in the 50 kHz to 70 MHz region. The design can be extended easily into the VHF and UHF region with methods outlined later. The instrument is configured Figure 1—Block diagram of the spectrum analyzer. ... Retrieve Doc
Comet CAA-500MarkII Antenna Analyzer - DX Engineering
Comet CAA-500MarkII Antenna Analyzer Bottom Line While limited in measuring capa-bility and performance compared The CAA-500MarkII is a reasonably priced HF/VHF/UHF antenna analyzer. The large cross-needle meter is nice when ... Access Content
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Minimum when an antenna is at resonance and therefore purely resistive, and the resistance scale then reads correctly. On either side of resonance the voltage will VHF/UHF AERIAL ANALYSER CIRCUIT Fig 5 — Aerial analyser schematic. ... View Doc
Low Cost High Performance VHF Dipole Array - Zebra Ham Radio
Low Cost High Performance VHF Dipole Array measure the final length using an antenna analyzer. The phasing sections will be odd multiples of 1/4 wavelength in coax and four cables will be 3/4 wavelengths long (cable “A”) ... View Full Source
Antenna Measurements - Wireless
Disable the RF output until you connect the antenna. Set also the Spectrum Analyzer for a center frequency of 2.44 GHz and a frequency span of 20 MHz. In the first measurement, the antenna of known gain is connected to ... Retrieve Document
Single-sideband Modulation - Wikipedia
Single-sideband modulation avoids this bandwidth doubling, and the power wasted on a carrier, In conventional AM radio, this signal is then sent to the radio frequency amplifier, and then to the broadcast antenna. ... Read Article
Reference Manual For MRS antenna Analyser Type MiniVNA 0.1 ...
Www.miniRadioSolutions.com miniVNA antenna analyzer V224 Reference manual for mRS antenna analyser type miniVNA 0.1-180 MHz The device is designed to measure antenna impedance and filters over the HF and VHF frequency range. ... Doc Viewer
Field Tuning Instructions For Remec WP-604 ... - Repeater Builder
FIELD TUNING INSTRUCTIONS FOR spectrum analyzer/tracking generator and no further tuning or "touching up" is required. (2) To maintain maximum isolation, duplexer, or antenna could have an impedance of anything from 33 ohms to 75 ohms and still be ... Retrieve Here
The G0KYA EFHW – an end-fed half wave monoband HF antenna, plus two multiband versions (New!) A practical, cheap monoband or multiband (new!) vertical antenna that ... Fetch Document
Antenna Analyzer Summary
Antenna Analyzer Summary Prepared by Fred Hopengarten K1VR Note: Many e-mail addresses on old correspondence are no longer valid. From: William Vetterling <vetterw@cfa.harvard.edu> ... Retrieve Content
Hobbyist's SWR Meter For 5.8ghz - YouTube
Hi folks, here's my newly made SWR meter for measuring vSWR of 5.8ghz antennae. There's a Daiwa-II SWR meter for 2.4ghz, but there isn't one for 5.8ghz. 5.8ghz antennae are tuned with a Spectrum Analyzer and it requires the use of a Cal Kit (calibration tool) before taking each ... View Video
Comet Antenna Analyzer Manual - WordPress.com
Comet Antenna Analyzer Manual Should you want to make an adjustment to the antenna length, to the position, height above portable antenna SWR analyzer for HF/VHF. Surecom SA160 Color Graphic Antenna Analyzer 0.5-60MHz for Two Way Two-color LED Hidden ... Fetch This Document
Efficient 2M Antenna Disguised In A Satellite Dish
Reflector of a SlimLine DIRECTV satellite dish. Figure 2: My modified TV satellite dish. Note low visibility of the uncovered slot. With my MFJ-259B antenna analyzer, I easily found the match near his estimate. Then, because all antennas are affected by location, during my ... View Document
MFJ-847 VHF UHF SWR Wattmeter Review - YouTube
Today on HamRadioComms I do a review of the MFJ-847 VHF UHF SWR wattmeter. Covers 2m, 125 cm, and 70cm bands. I give it a thumbs up for features, build quali ... View Video
Agilent Technologies N9912A FieldFox RF Analyzer
The Agilent FieldFox RF Analyzer is the tool to tackle today’s Cable and antenna analyzer Fifty to sixty percent of cell site problems are caused by faulty cables, connectors, • Radio navigation – VHF omnidirectional radio range (VOR) and instrumentation landing system ... Document Viewer
Compact Handheld Cable & Antenna Analyzer With Spectrum Analyzer
Technical Data Sheet Site Master™ Compact Handheld Cable & Antenna Analyzer with Spectrum Analyzer Introduction Anritsu introduces its eighth generation compact handheld Cable and Antenna Analyzers with Spectrum Analyzers for ... View Document
How To Build And Use A VHF Wattmeter - QSL.net
Antenna (at the antenna terminals), the lower the reflected power reading on the meter. As the reflected reading is reduced, the forward reading increases. When there is no reflected-power indication remaining How to Build and Use a VHF Wattmeter ... Fetch Full Source
Mfj 259b Manual Pdf - WordPress.com
Mfj 259b antenna analyzer manual Analizador de ROE para HF VHF. CONTENIDOS DE ESTE MANUAL.pdf manual of the mfj 259b antenna analyzer in english. MFJ-259B Manual.pdf, ... Retrieve Doc
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