To allow multiple users to share one carrier frequency, many handheld transceivers employ Continuous Tone Coded Squelch System (CTCSS) encoders and decoders. CTCSS systems add a tone at the low end of ...
En färdig LM317-modul för stabilisera drivspänningen från F800 behöver ett par extra kondensatorer för att inte Arduinon skall störas. En LM324 op samt lågpassfiler för ingående subton. Valet av ...
The AK2345 is an IC which supports CTCSS (Continuous Tone Controlled Squelch System), compatible with TIA/EIA-603 standard. A single CTCSS may be selected from among 50 different frequencies within a ...
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