U3500BM

Here is the description about U3500BM of the Cordless Telephone Signal Processor. The programmable cordless phone signal processor U3500BM includes all necessary low frequency parts such as microphone- and earphone amplifier, compander, preemphasis, deemphasis, scrambler, data management, power-supply management, as well as RF receiving parts such as IF converter, FM demodulator. RSSI and low noise amplifier. Several gains and mutes in transmit and receive directionare controlled by serial bus while compander, pre- and deemphasis and scrambler can be bypassed.
Here are the features of U3500BM: Low-noise amplifier; IF converter; FM demodulator; Compander; Pre and deemphasis; Power-supply management.
Here are the absolute Maximum Ratings (TA = 25). Supply voltage is 5.5V. Junction temperature is +125°C. Ambient temperature is from 25 to +75°C. Storage temperature is from 50 to +125°C. Power dissipation is 1W.
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