Revision:1.0(2023–5–17)
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2.3.2 Main control module
22..33..22..11 Front-end TX and RX Modules
The front-end TX and RX modules provide signal transmitting and receiving circuits.
The transmitting circuit transmits signals to excite array elements on the probe head. The
receiving circuit receives and processes echo signals received by the probe head, converts the
signals into digital signals, and then transmits the signals to the FPGA module.
22..33..22..22 WLAN Module
The WLAN module connects the wireless probe to the host computer.
The wireless probe receives instructions from the host computer and uploads data to the host
computer for imaging through this module.
The WLAN module complies with IEEE 802.11ac/a/b/g/n.
22..33..22..33 FPGA Module
The FPGA module consists of the FPGA controller and peripheral clock module, flash storage,
and LPDDR peripheral circuit.
Functions of these components are as follows:
The FPGA controller controls the front-end TX and RX modules to transmit and receive
ultrasound signals, and synthesize and process images.
The flash storage stores the FPGA program and other information such as the model and SN of
the probe.
The LPDDR and clock modules provide peripheral circuits for FPGA operation.
2.3.3 Power supply module
22..33..33..11 Charging Port and Circuit
Wireless Probe Charging Port and Charging Cable
Diagnostic Ultrasound System
Service Manual
2 Product Knowledge
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