SRF-39
The SRF-39 is a portable AM/FM radio introduced in approximately 1992 by Sony.[1] It uses a single AA battery, as its analog electronics draw very little current. It was one of the first radios to use the CXA1129 30-pin integrated circuit, which later was responsible for the SRF-39's sensitive and selective performance.[2][1]
A variant of the SRF-39, the SRF-39FP, has a transparent case, designed to thwart contraband concealment. The radio often appears on the commissary lists of U.S. federal prisons, hence the "FP" suffix.[3][4]
The SRF-39 was followed by the SRF-49 in 1997, the PSY-03 in 1999, and the SRF-59 in 2001, which is popular in the DXing community due to its sensitivity, selectivity and ferrite antenna.[1]
See also
References
- ^ a b c "The Sony SRF-59". wenku.baidu.com. Baidu. Retrieved 28 January 2022.
- ^ Advanced Low Voltage Single Chip Radio IC, 1992
- ^ Hunt, Joshua (January 16, 2014). "The iPod of Prison". The New Yorker.
- ^ D'Onfro, Jillian. "This Prison Radio Lasts Longer Than An iPod, On One Battery". businessinsider.com. Business Insider. Retrieved 28 January 2022.
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