Amplifier Bias Explained
What is Amplifier Bias Amplifier bias refers to the steady voltage or current applied to the input of an amplifying device, typically a transistor or vacuum tube when no signal…
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6 Meters: The Magic Band
The 6-meters band, fondly nicknamed “the magic band,” holds a special place in the hearts of amateur radio operators. Sitting just above the HF bands and below the VHF spectrum,…
How to Get a DMR ID Number
To use Digital Mobile Radio (DMR) on amateur radio networks, you must register for a unique DMR ID number. This number identifies your radio on DMR systems like BrandMeister or…
Analog vs DMR Range on Ham Radio VHF/UHF Bands
When comparing Analog vs DMR Range on 5 watt handheld ham radios within the VHF and UHF bands, the conversation often centers around range and clarity. Although both modes serve…
Digital Mobile Radio (DMR): What is it?
Digital Mobile Radio (DMR) is an international digital radio standard defined by ETSI (European Telecommunications Standards Institute). Developed to replace the analog systems, and bring better voice quality, more efficient…
Bluetooth In Amateur Radio
Bluetooth is a short-range wireless communication technology designed to exchange data between devices over short distances. It operates on a global standard, allowing different electronics to connect and interact without…
The Superheterodyne Receiver: A Foundation of Amateur Radio
A superheterodyne receiver is a type of radio receiver that uses frequency conversion to simplify and improve signal detection. Invented in the early 20th century, it remains the dominant architecture…
Roofing Filters: Amateur Radio Filters
Roofing filters play a critical role in amateur radio receivers, especially in maintaining performance during crowded band conditions. These filters are the first stage of selectivity in a superheterodyne receiver,…
Digital Pre-Distortion in Ham Radio: How It Works
Digital Pre-Distortion (DPD) is a powerful technology that’s making waves in modern ham radio. Designed to improve signal quality and efficiency, DPD works behind the scenes to counteract distortions typically…
Ham Radio in Electric Cars: Step by Step Installation Guide
Installing a Ham Radio in Electric Cars (EV) presents unique challenges that differ from traditional gas-powered car installations. While EVs are quiet, efficient, and increasingly popular, their complex electrical systems…