The **MA76FBX-R** is a specific part number belonging to a series of high-frequency, high-performance **Surface Mount Device (SMD) Antennas**, typically manufactured by companies like **Ethertronics (now Kyocera AVX)**. These components are designed for integration into compact electronic devices requiring robust wireless connectivity. --- ### 1. Key Technical Specifications The MA76FBX-R is an **FR4-based embedded antenna**. Its primary function is to convert electrical signals into radio waves (and vice-versa) within the cellular and IoT spectrums. | Feature | Description | | :--- | :--- | | **Component Type** | Embedded SMD Antenna | | **Technology** | Isolated Magnetic Dipole™ (IMD) | | **Frequency Range** | 698 MHz – 2700 MHz (Broadband) | | **Supported Standards** | LTE (4G), 3G, 2G, NB-IoT, Cat-M | | **Mounting Type** | Surface Mount (SMT) | | **Impedance** | 50 Ohms | --- ### 2. Core Electronic Components & Design The "electronic" nature of this part differs from active components like ICs. It is a **passive radiator** with the following characteristics: * **Substrate Material:** Uses specialized FR4 or high-frequency laminates that provide mechanical stability and specific dielectric constants. * **IMD Technology:** The "Isolated Magnetic Dipole" technology allows the antenna to maintain high efficiency even when placed close to other electronic components or metal housings, reducing interference. * **Feed Point:** A single-point feeding system designed to be soldered directly onto a PCB (Printed Circuit Board) microstrip line. * **Matching Network:** While the antenna has a 50-ohm nominal impedance, it typically requires a **Pi-matching network** (inductors and capacitors) on the host PCB to fine-tune the frequency response. --- ### 3. Application Use Cases Due to its small footprint and wide frequency coverage, it is commonly found in: 1. **Industrial IoT:** Smart meters, sensors, and tracking devices. 2. **Medical Devices:** Portable monitoring equipment requiring LTE connectivity. 3. **Automotive:** Telematics units and vehicle tracking systems. 4. **Consumer Electronics:** High-end gateways or specialized handheld devices. --- ### 4. Implementation Requirements To ensure the part functions correctly, engineers must follow specific layout guidelines: * **Ground Plane:** Requires a minimum PCB ground plane size to act as a counterpoise. * **Keep-out Area:** A specific area on the PCB must be "cleared" of copper layers underneath the antenna to prevent signal damping. * **Orientation:** The "R" in the suffix often denotes the specific tape-and-reel orientation for automated pick-and-place assembly machines.