SL2418 diode equivalent, telephone tone ringer with bridge diode.
of any voltage higher than maximum rated voltages to this high-impedance circuit. For proper operation, VIN and VOUT sho.
The SL2418 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 across.
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