Add-on dossier

RF gain and headphone-radio path

A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.

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Kernelcon 2023 1337 kHz Radio Badge source-backed

analog feature

The radio badge used RF gain control, a small transistor amp, mono audio sent to both headphone channels, and a hackable AM tuner path.

Badge: Kernelcon 2023 1337 kHz Radio Badge
Type: analog feature
Status: source-backed
Compatibility: Kernelcon 2023 1337 kHz Radio Badge
Source: https://2023.badge.kernelcon.org/about.html

Badge context

Related Resources

activity guide

Kernelcon 2023 badge activities

Official activity page for badge bling, amplifier/volume-control, and hardware-hacking paths.

Badge: Kernelcon 2023 1337 kHz Radio Badge

event metadata

Kernelcon 2023 InfoconDB record

InfoconDB source for April 12-15, 2023 dates and Embassy Suites Omaha Downtown Old Market event context.

Badge: Kernelcon 2023 1337 kHz Radio Badge

official badge page

Kernelcon 2023 1337 kHz badge site

Official badge site for the 1337 kHz AM radio badge.

Badge: Kernelcon 2023 1337 kHz Radio Badge

Source trail

Evidence Sources

Kernelcon badge site · retrieved 2026-05-15

1337 kHz badge about page

Primary source for analog design, TA7642 radio IC, 1.5 V power, transistor amp, headphone output, RF gain knob, hacker playground, credits, and no-microcontroller statement.

Badge: Kernelcon 2023 1337 kHz Radio Badge

Kernelcon badge site · retrieved 2026-05-15

1337 kHz badge activities

Primary activity source for hardware-hacking paths and badge modification context.

Badge: Kernelcon 2023 1337 kHz Radio Badge