A transmit/receive isolation for an ultrasound system to block a high voltage transmit signal from being propagated to a receiving unit during a transmission period of an ultrasound signal is disclosed. An ultrasound system comprises: a transmitting unit configured to form a plurality of transmit signals an ultrasound probe configured to convert the transmit signals to a plurality of ultrasound signals, transmit the ultrasound signals to a target object, receive a plurality of echo signals reflected from the target object and form a plurality of receive signals based on the echo signals a receiving unit and a switching unit coupled to the transmitting unit, the ultrasound probe and the receiving unit and comprising a plurality of diode bridges each being switchable between first and second states such that the respective transmit signal is blocked from being propagated to the receiving unit when the diode bridge is in the first state and the respective receive signal is allowed to be propagated to the receiving unit when the diode bridge is in the second state.
