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Subject: Generation of Non-standard CTCSS Tones

In many instances of CTCSS tone generation, using sub-audio tones of slightly different frequencies may be desirable. Because these CML ICs use switched capacitor technology, tone frequencies may shifted simply by changing the crystal or clock input.
[application note link].

Publication: # 20830061.002.

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Other Relevant Application Notes

• CML On-chip Oscillators - Configuration Information - [application note link]
• Switched Capacitor Interfacing: Anti-aliasing and Smoothing Filters - [application note link]