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Bidirectional line driver circuit composed of double broadba

2015-01-05 22:47  
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Bidirectional line driver circuit composed of double broadband transconductance operational amplifier OPA2662
The circuit uses OPA2662 internal dual OTA to form two - channel current output drive circuit, and one channel is used as send driver, the other way is used as receiver driver, sending and receiving switch is controlled by the enable terminal EN. When 3 feet (EN1) is high ( 6 feet EN2 is low at this time), the circuit is in the receiving state, the input signal is sent into 2 feet by cable, then it is amplified and output from 14 feet.