Abstract for Experimental Methods in RF Design - …

Bidirectional Matched Amplifier - W7ZOI

Fig 2. Input Z versus load resistance for the 170 Ohm amplifier of Fig 1. This is a calculated result with a simple model, but measurement results are similar.

  Amplifier, Matched, Bidirectional matched amplifier, Bidirectional

A Power Meter based on the AD-8307 from …

A Power Meter based on the AD-8307 from Analog Devices. This section relates to the QST paper that Bob Larkin (W7PUA) and I published in QST for June, 2001

  Form, Devices, Based, Power, Analog, Meters, A power meter based on the ad 8307 from, 8307, A power meter based on the ad 8307 from analog devices

L CM - W7ZOI Site

Having motional capacitance, the motional inductance is easily calculated from the series resonant frequency. Parallel capacitance, C0, is easily measured with a lower

  Inductance

The Two Faces of Q - W7ZOI Site

The Two Faces of Q Wes Hayward, w7zoi, November, 2010. Updates: 14Dec10, 29Dec10, 2Jan11. April 14, 2015. See addendum at document end. Abstract Most home-lab measurements of Q only evaluate an LC resonator.

  Faces, The two faces of q

Transformer Coupled LC Bandpass Filters - W7ZOI

Transformer Coupled LC Bandpass Filters w7zoi, 10June08, 19April09 Most of the LC bandpass filters that I design and build tend to use capacitors for

  Filter, Transformers, Coupled, Bandpass, Transformer coupled lc bandpass filters

A SMT Dual Gate MOSFET Preamplifier for 50 MHz

A SMT Dual Gate MOSFET Preamplifier for 50 MHz. Latest update 29Nov2015. w7zoi The Circuit The dual gate MOSFET was an especially popular device …

  Gate, Dual, Mosfets, Preamplifier, A smt dual gate mosfet preamplifier for 50 mhz, Dual gate mosfet

Update Notes for Introduction to Radio Frequency …

The next figures show a more up-to-date analysis in MathCad. The general character of the curve is unchanged, but the values are different.

  Radio, Frequency, Radio frequency

Spectrum Analyzer Updates - W7ZOI

Spectrum Analyzer Updates Last update, Saturday, June 10, 2000 This part of the web page deals with the spectrum analyzer that Terry White (K7TAU)

  Spectrum, Update, Analyzer, Spectrum analyzer updates

Micromountaineers, Old and New - W7ZOI

Micromountaineers, Old and New ( 6M, 20M, and 30 M info, and a newer 7 MHz version. Scan to the end for info on Increased Power.) Updates: 13June01, 19Jan04, 25March04, 6June05, 24Sept06,10Jan07.

  Old and new, Micromountaineers

Chapter 13 BUILDING A HOMEBREW HF RECEIVER …

4. Chapter 13, Harris BFOs. Consequently, I have avoided this frequency. Among homebuilt ham receivers the most common IF frequency seems to be 9 MHz.

  Chapter, Building, Receiver, Homebrew, Chapter 13 building a homebrew hf receiver

A QRP SSB/CW Transceiver for 14 MHz

A QRP SSB/CW Transceiver for 14 MHz Part 1: Exotic circuitry and hard-to-find components aren't necessary if you want to build excellent performance into a

  Transceiver, Qrp ssb cw transceiver for 14 mhz

A QRP SSB/CW Transceiver for 14 MHz

A QRP SSB/CW 14 MHz Part 2t. This month, W7ZOl rounds out his description of a 1- or 10-W SSB/CW rig with details on its trans- mitter, TR switching and

  Transceiver, Qrp ssb cw transceiver for 14 mhz, Qrp ssb, Cw 14 mhz

bulletin f8ref 30

© BULLETIN F8REF – 2018 – Semaine 30- Tours le 25/07/2018 Page - 1 - sur 7 - 1 - Bulletin F8REF – 2018 Semaine 30 RÉSEAU des ÉMETTEURS FRANÇAIS

LDG Z-817 20-Watt Automatic Tuner with FT-817 …

Z-817 OPERATIONS MANUAL MANUAL REV A PAGE 1 LDG Z-817 20-Watt Automatic Tuner with FT-817 Integration LDG Electronics …

  With, Automatic, Watt, Tuner, 20 watt automatic tuner with ft

Mark J. Wilson, K1RO, k1ro@arrl.org by Mark …

54 February 2013 ARRL, the national association for Amateur Radio® www.arrl.org review of the LNR Precision FX-2, the switching time was shown as about 2 ms, so