U4055B1 Description
U4055B/U4055B1 Low-Voltage Electronic Speech Circuit with Dialer Interface .
The U4055B electronic speech circuit is a linear integrated circuit for use in telephone and other line fed terminal equipment.
U4055B1 Features
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D An electronic circuit replaces the microphone hybrid transformer D Symmetrical input for dynamic or piezo microphone D High performance through the use of dynamic transducers as the earphone (non-linear distortion 2 %)
D DTMF interface with muting D Supply voltage for dialer
U4055B1 Applications
* All operating parameters must be validated for each customer application by the customer. Should the buyer use TEMIC products for any unintended or unauthorized application, the buyer shall indemnify TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any
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