frequency

frequency

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• Cubical Quad Calculator - An online javascript calculator for cubical quad antennas, simply input the resonating frequency to calculcate up to a five element quad antenna. This quad antenna calculator let you determine the total length of each element and spacing among elements.
  [ Hits: 1011 | Votes: 20 | Rating: 7.25 ]

• DL-Special DX Antenna - 2 Delta Loops in Phase  ^updated - Two Delta-Loops in phase. The purpose of this article is to propose an antenna with a high gain, a high efficiency and a very low price that is easy to build for any frequency.
  [ Hits: 1076 | Votes: 5 | Rating: 7.8 ]

• Magnetic Loop Antenna Calculator - Free windows program to calculate magnetic loop antenna.This small loop antenna calculator allow to determine capacitance and voltage based on Loop circumference, desired resonant frequency, conductor diameter and the operating power
  [ Hits: 6224 | Votes: 25 | Rating: 6.28 ]

• Moxon Antenna Calculator  ^updated - Online Moxon antenna calculator. Design your moxon antenna online giving wire diameter and resonant frequency
  [ Hits: 3185 | Votes: 28 | Rating: 5.82 ]

• Valon Technology - Valon Technology designs and manufacturers low cost, reliable radio frequency products such as RF Synthesizer modules, RF Frequency Dividers and Phase Gain Detectors. Main markets are military/defense, test engineering, radio astronomy, research centers and universities
  [ Hits: 288 | Votes: 0 | Rating: 0 ]

• Nuand bladeRF - Nuand id the maker of bladeRF - the USB 3.0 Superspeed Software Defined Radio, 300MHz - 3.8GHz RF frequency range Independent RX/TX 12-bit 40MSPS quadrature sampling
  [ Hits: 535 | Votes: 2 | Rating: 10 ]

• Amateur Radio Frequencies - List compiled by N4LCD with description of main frequency usage
  [ Hits: 769 | Votes: 0 | Rating: 0 ]

• X Band LNA - X Band low noise amplifier, designed for 10.368 MHz operating frequency by AD6IW
  [ Hits: 392 | Votes: 1 | Rating: 1 ]

• VK Repeater Map - An Google Maps interactive layer showing Australian amateur radio repeaters. You can navigate and zoom as required and click on a repeater-site icon to display frequency, ctcss and other details and notes for that repeater.
  [ Hits: 406 | Votes: 1 | Rating: 10 ]

• IC-706 frequency expansion - This modification will allow the MkIIG to transmit on most of the frequencies that it receives on.
  [ Hits: 1452 | Votes: 2 | Rating: 1 ]

• Simplified Kenwood TS-850 AM Mod - TS-850 is not much effective on AM since it does produce fairly clean audio, however while it does noticeably improve low-end frequency response
  [ Hits: 445 | Votes: 1 | Rating: 10 ]

• CloudRF - Online radio planning system, allow you to generate accurate radio frequency predictions for anywhere on earth
  [ Hits: 9151 | Votes: 42 | Rating: 4.81 ]

• Sonograph Spektrum Analyzer - Sonogram is a highly flexible audio spectrum analyzer for the analysis of sound, music and speech signals in the frequency-domain using different algorithms.
  [ Hits: 695 | Votes: 0 | Rating: 0 ]

• Frequency Counter with Arduino - An interesting project about an Arduino-based frequency counter fot the Kenwood TS-520S
  [ Hits: 1802 | Votes: 8 | Rating: 5.58 ]

• Using Frequency Counters - A tutorial on using RF frequency counter, how a digital frequency counter works, includes frequency counter specifications and best practices in setting counter accuracy and resolution
  [ Hits: 561 | Votes: 0 | Rating: 0 ]

• Ham Radio Beat Frequency Oscillator - A simple free running oscillator oscillating at the receiver\'s IF (intermediate frequency) beats with the incoming signals in either CW or SSB and the resultant audio frequency goes to the AF amplifier.
  [ Hits: 718 | Votes: 0 | Rating: 0 ]

• Knobless Wonder 7 MHz SSB transceiver - A simple fixed frequency SSB voice transceiver for the 7 MHz amateur band
  [ Hits: 1059 | Votes: 4 | Rating: 6.25 ]

• Frequency Multipliers - An exaustive document on frequency multipliers with a particular attention on ways to generate high frequency signals for microwave
  [ Hits: 385 | Votes: 0 | Rating: 0 ]

• Pacemaker and Amateur Radio - An ARRL article collection about influence of radio frequency with pacemakers and other similar medical devices.
  [ Hits: 623 | Votes: 3 | Rating: 1 ]

• Yaesu FT-290 Modification - Extending frequency to FT-290R for transverter use
  [ Hits: 787 | Votes: 0 | Rating: 0 ]

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