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Radio Technical

Icom IC-7300 & IC-7610 “Built-In” Tuning Pulser

Overview A tuning pulser is a device which generates a series of short-duty cycle tone bursts which are applied to the audio input of a transmitter. Instead of tuning up. read more…

On April 6, 2022
By AD5GG

Antenna Materials & Efficiency

You can not make a very good antenna using insulators like PVC tubing, drinking straws, or nylon rope. I think we can all agree on that. Why? Materials like plastic. read more…

On April 21, 2020
By AD5GG

Noise & Receiver Performance

In this article, I’m going to cover Noise Figure, Noise Factor, Noise Power, Receiver Bandwidth, and how they can affect overall radio receiver performance. Contrary to popular belief, these metrics. read more…

On March 13, 2019
By AD5GG

Charger Radiated Emissions

I usually have a respectable HF noise floor at home, for which I count myself lucky in today’s sea of cheaply made switching power supplies. However, we were expecting some. read more…

On December 19, 2018
By AD5GG

UR6QW Processor with Dynamic Microphones

While this post is written with the UR6QW processor in mind, it contains information which is widely applicable. There is some concern about connecting dynamic microphones to devices which commonly. read more…

On December 17, 2018
By AD5GG

What is characteristic impedance?

The RF world is full of esoteric terminology, and not least of these is characteristic impedance, or Z0. Most coaxial cables have a characteristic impedance of 50 or 75 ohms.. read more…

On September 25, 2018
By AD5GG

QUCS for Filter Design

Introduction QUCS, or Quite Universal Circuit Simulator, is a freeware utility that allows you to draw circuit schematics, and perform AC & DC simulation, noise simulation (for S-parameters, and AC. read more…

On August 15, 2018
By AD5GG

Antenna Tuners, Impedance Matching, and SWR

Antenna tuners seem to be some of the most misunderstood devices in all of amateur radio. In this article, I’ll try to explain what is happening when you use an. read more…

On April 2, 2018
By AD5GG

Switch-Mode vs Linear Supplies

Amateur radio transceivers demand power supplies which have a large current capacity. The average 100 watt radio transceiver requires over 20 Amps when in transmit mode. Overview A linear power. read more…

On December 12, 2017
By AD5GG

IC-7300 Average SSB power modification

If you Google the title of this post, I’m sure you’ll come across some results which detail a very simple modification you can make to your IC-7300 which some believe. read more…

On November 1, 2017
By AD5GG

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AD5GG (March 31, 2023) IC-7300 Average SSB power modification. Retrieved from https://www.ad5gg.com/2017/11/01/ic-7300-average-ssb-power-modification/.
"IC-7300 Average SSB power modification." AD5GG - March 31, 2023, https://www.ad5gg.com/2017/11/01/ic-7300-average-ssb-power-modification/
AD5GG November 1, 2017 IC-7300 Average SSB power modification., viewed March 31, 2023,<https://www.ad5gg.com/2017/11/01/ic-7300-average-ssb-power-modification/>
AD5GG - IC-7300 Average SSB power modification. [Internet]. [Accessed March 31, 2023]. Available from: https://www.ad5gg.com/2017/11/01/ic-7300-average-ssb-power-modification/
"IC-7300 Average SSB power modification." AD5GG - Accessed March 31, 2023. https://www.ad5gg.com/2017/11/01/ic-7300-average-ssb-power-modification/
"IC-7300 Average SSB power modification." AD5GG [Online]. Available: https://www.ad5gg.com/2017/11/01/ic-7300-average-ssb-power-modification/. [Accessed: March 31, 2023]

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