very small fm transciver
Kicad (ver. 6.0.9) https://www.kicad.org
freerouting (ver.1.6.2) https://github.com/freerouting/freerouting
supplier:JLCPCB https://jlcpcb.com
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BA1404(Datasheet: https://www.alldatasheet.jp/datasheet-pdf/pdf/35925/ROHM/BA1404.html)
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RTC6215S(Datasheet: http://aitendo3.sakura.ne.jp/aitendo_data/product_img/ic/radio/RTC6215/T-ST-6215N-DST-001-aitendo.pdf) (This datasheet is RTC6215N. The internal structure of RTC6215N is the same as RTC6215N, but external structure is SSOP-16.(pitch:0.65mm)
- overall schematic
- wiring diagram of the circuit