Electronics on the Floor: Automatic Gain Control with LED and LDR - Part 1
An automatic gain control using one transistor, one LED and one LDR. Video describes circuit and gives a demonstration with a BitX HF transceiver. See Part 2 for more! Some circuit ideas: http://www.zen22142.zen.co.uk/Circuit... http://www.burchills.info/sound_via_l... http://www.wireless.org.uk/circuits.htm http://www.electro-tech-online.com/th... PS: If you liked this video please consider supporting Amateur Radio VK3YE by: Subscribing on YouTube, Checking my books page at https://books.vk3ye.com Shopping on Amazon via: https://amzn.to/3iiDQXv, or Shopping on eBay via: https://ebay.us/i9DuWP (then if you buy something I'll get a small commission at no cost to you))
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Electronics on the Floor: Automatic Gain Control with LED and LDR - Part 2
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