IL6840A ringer equivalent, telephone tone ringer.
of any voltage higher than maximum rated voltages to this
high-impedance circuit. For proper operation, VIN and VOUT sho.
The IL6840A tone ringer derives its power supply by rectifying the AC ringing signal. It uses this power to activate two tone generators. The two tone frequencies generated are switched by internal oscillator in a fast sequence and made audible acros.
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