Find the perfect block diagram with our step-by-step guide below. Start by choosing a solution,
then refine your selection as the next fields adapt dynamically to lead you to the final diagram.
Expanded View
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Monitor","path":"/design/interactive-block-diagrams/medical/continuous-glucose-monitor","children":[]},{"id":"f6130e35-4fd0-4719-acac-e3da45c1a9a6_IBD_DIAGRAM","parentId":"232a1fe1-c60b-4a4f-853e-7b73a7209c91_IBD_SUBSOLUTION","text":"Hearing Aid","path":"/design/interactive-block-diagrams/medical/hearing-aid","children":[]},{"id":"a3e4f792-c0dc-4153-bb76-59bbe623ed64_IBD_DIAGRAM","parentId":"232a1fe1-c60b-4a4f-853e-7b73a7209c91_IBD_SUBSOLUTION","text":"Patient Monitor","path":"/design/interactive-block-diagrams/medical/patient-monitor","children":[]},{"id":"fa0c8829-c8b8-426a-8624-fb6406550d0b_IBD_DIAGRAM","parentId":"232a1fe1-c60b-4a4f-853e-7b73a7209c91_IBD_SUBSOLUTION","text":"Ultrasound Transducer","path":"/design/interactive-block-diagrams/medical/ultrasound-transducer","children":[]}]},{"id":"d17e7410-a519-48f1-887a-1644e3a10c78_IBD_SUBSOLUTION","parentId":"9d330931-7485-49dd-ae21-990ea4e17af9_IBD_SOLUTION","text":"Medical Imaging","path":null,"children":[{"id":"7780a3f3-3fe2-4f1c-a8f4-f873ed853c45_IBD_DIAGRAM","parentId":"d17e7410-a519-48f1-887a-1644e3a10c78_IBD_SUBSOLUTION","text":"Digital Radiography","path":"/design/interactive-block-diagrams/medical/digital-radiography","children":[]}]}]}]

Hearing Aid - Block Diagram

A hearing aid enhances hearing by amplifying sound for individuals with hearing loss.

"longDescription": "Detailed Description of Each Block", "blocks": [ { "name": "Primary/Rechargeable Battery", "function": "Provides electrical power to the system.", "theory_of_operation": "Supplies DC power from either a primary cell or rechargeable source.", "interaction": "Feeds power into the Power Management block.", "category": "Third party", "connection": [ "Power Management" ] }, { "name": "Power Management", "function": "Regulates and distributes power to all system components.", "theory_of_operation": "Includes voltage regulation, battery charging, and protection circuits.", "interaction": "Supplies power to DSP, MCU, Memory, Sensors, Microphones, Speaker, and UI.", "category": "onsemi", "connection": [ "Audiology DSP", ] }, { "name": "Sensors", "function": "Detect environmental or physiological signals.", "theory_of_operation": "Capture data such as motion, temperature, or ambient conditions.", "interaction": "Send data to DSP or MCU for processing.", "category": "Third party", "connection": [ "Audiology DSP" ] }, { "name": "Microphones", "function": "Capture audio signals from the environment.", "theory_of_operation": "Convert acoustic signals into electrical signals for processing.", "interaction": "Send audio data to DSP.", "category": "Third party", "connection": [ "Audiology DSP" ] }, { "name": "Audiology DSP", "function": "Processes audio and sensor data for hearing enhancement.", "theory_of_operation": "Applies filtering, amplification, and adaptive algorithms to optimize sound.", "interaction": "Receives input from Microphones and Sensors, sends output to Speaker and communicates with MCU and Memory.", "category": "onsemi", "connection": [ "Speaker", "Wireless MCU", "Memory", "User Interface", "Sensors" ] }, { "name": "Speaker", "function": "Delivers processed audio to the user.", "theory_of_operation": "Converts electrical signals into sound waves.", "interaction": "Receives output from DSP.", "category": "Third party", "connection": [] }, { "name": "User Interface", "function": "Allows user interaction with the device.", "theory_of_operation": "Includes buttons, touch sensors, or other input/output mechanisms.", "interaction": "Communicates with MCU and DSP.", "category": "Third party", "connection": [ "Audiology DSP" ] }, { "name": "Memory", "function": "Stores firmware, user settings, and audio profiles.", "theory_of_operation": "Non-volatile memory used for persistent data storage.", "interaction": "Bidirectional communication with DSP and MCU.", "category": "onsemi", "connection": [ "Wireless MCU" ] }, { "name": "Wireless MCU", "function": "Handles wireless communication and system control.", "theory_of_operation": "Manages BLE/NFMI protocols and coordinates system functions.", "interaction": "Communicates with DSP, Memory, UI, and external devices wirelessly.", "category": "onsemi", "connection": [ "Audiology DSP" ] } ], "interconnections": [ { "source": "Primary/Rechargeable Battery", "target": "Power Management" }, { "source": "Power Management", "target": "Audiology DSP" }, { "source": "Sensors", "target": "Audiology DSP" }, { "source": "Audiology DSP", "target": "Sensors" }, { "source": "Microphones", "target": "Audiology DSP" }, { "source": "Audiology DSP", "target": "Speaker" }, { "source": "Audiology DSP", "target": "Wireless MCU" }, { "source": "Wireless MCU", "target": "Audiology DSP" }, { "source": "Audiology DSP", "target": "Memory" }, { "source": "Memory", "target": "Audiology DSP" }, { "source": "Audiology DSP", "target": "User Interface" }, { "source": "User Interface", "target": "Audiology DSP" }, ], "Last_update": "2025-08-26"

Hearing Aid

Wireless MCU - Block

Products

  • Bluetooth Low Energy
    • RSL15

      Bluetooth® 5.2 Secure Wireless MCU

Technical Documentation

Evaluation Boards/Kits

  • RSL15-EVB

    RSL15 Evaluation and Development Board

FAQs

1. What is a hearing aid and how does it work?

A hearing aid is a compact electronic device that amplifies and processes sound for people with hearing loss. It captures sound through microphones, processes it using digital signal processing, and delivers enhanced audio to the ear, improving clarity and speech understanding in various listening environments.

2. What role does digital signal processing (DSP) play in hearing aids?

Digital signal processing enables precise control of sound amplification and filtering. It adapts audio output based on the user’s hearing profile and environment. DSP improves speech recognition, reduces distortion, and provides customizable listening experiences tailored to individual needs.

3. How does wireless connectivity enhance hearing aids?

Wireless connectivity allows hearing aids to connect to smartphones, televisions, and other devices. It enables features like audio streaming, remote adjustments, and firmware updates. This improves user convenience and supports personalized settings through companion apps.

4. Where are hearing aids commonly used?

Hearing aids are used by individuals with mild to severe hearing loss across all age groups. They are essential in daily communication, healthcare, and social interactions. Advanced devices also support professional environments where clear auditory perception is critical.

5. How does the onsemi Interactive Block Diagram help me select parts and build a worksheet/BOM?

The onsemi interactive block diagram lets you select a taxonomy, choose devices per block, and download a worksheet. If you need a deeper dive into the tool, watch our tutorial video.

Worksheet (BOM) Preview

Worksheet (BOM)

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