Filters - OpenRadioMiniconf edit / delete

Building HF transmitter filters using air-cored coils, wound on a pencil. This is surprisingly effective!

to amateur coil electronics filter hf inductor lpf radio transmitter ... on 14 March 2015

Espressif ESP8266 WiFi-serial interface : weekend die-shot : ZeptoBars edit / delete

I really like the inductors -- old-fashioned pancake coils in miniature!

to chip coil die electronics inductor photography reverse-engineering ... on 13 March 2015

MENY edit / delete

Ham radio projects, including instructions on how to wind coils, a wide range of low-power FM transmitters, and several receivers based on recycled VCR tuner modules. Suitably entertaining in a Swedish sort of way (note the "Wife Replacer" project).

to electronics ham inductor radio ... on 03 October 2009

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