Ultrasonic endoscope transmitting and receiving front-end device
A receiving front-end and endoscope technology, which is applied in the field of ultrasonic endoscope transmitting and receiving front-end devices, can solve problems such as undesigned delay circuits and array element gating circuits, and achieve the effect of circuit function multiplexing
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[0025] Below in conjunction with accompanying drawing, the present invention will be further described:
[0026] As shown in Figure 1(a), the present invention provides an ultrasonic endoscope transmitting and receiving front-end device, including a core controller, a delay module, a multi-channel pulse transmitting circuit module, an array element gating circuit module, an ultrasonic transducer device, multi-channel limiter module and receiving front-end circuit module;
[0027] As shown in Figure 1(b), the core controller is mainly FPGA, its main function: as the control signal of the overall front-end device, including sending control signals to the multi-channel pulse transmission circuit module through the delay module, controlling the array element gating The path selected by the circuit module controls the receiving front-end circuit module to receive the ultrasonic echo signal; configures the chip, mainly configures the delay chip to select the delay time of the chip a...
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