Experiments with low power UHF data transmitter modules: Part 5

2,360 views · Published 31 January 2015 · 2:53 · Indexed 29 October 2026

Channel: Amateur Radio VK3YE · 2015 · Science & Technology

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Even better audio with 433 MHz UHF data transmitter modules.  

Modulating the supply rail provides good quality AM and FM with better depth/deviation than applying it to the data input pin. Greater frequency coverage is also possible without distorting the transmit audio.

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