MA24FBG-R
AI

The **MA24FBG-R** is a specialized high-frequency electronic component, typically classified as a **dielectric resonator antenna** or a **microwave filter/resonator element**. These components are frequently used in wireless communication systems, particularly for short-range radar (like automotive BSD) or satellite communications.
---
### 1. Key Technical Specifications
The part number follows a specific nomenclature used by manufacturers (often associated with brands like **Murata** or specialized microwave component vendors).
| Feature | Specification Details |
| :--- | :--- |
| **Component Type** | Dielectric Resonator / Antenna Element |
| **Operating Frequency** | Typically centered around **24 GHz** (K-band) |
| **Material** | High-permittivity ceramic (Dielectric) |
| **Mounting Type** | Surface Mount (SMD) |
| **Applications** | 24GHz ISM Band, Doppler Sensors, Radar |
### 2. Physical and Electrical Characteristics
* **High Q-Factor:** These parts are designed to have a high Quality (Q) factor, ensuring minimal energy loss at extremely high frequencies.
* **Frequency Stability:** The "MA" series usually features excellent temperature stability, meaning the frequency does not drift significantly as the device heats up.
* **Compact Form Factor:** Designed for modern PCB layouts where space is at a premium, utilizing the high dielectric constant of the ceramic to reduce the physical size of the resonant structure.
### 3. Common Applications
The MA24FBG-R is most commonly found in the following electronic assemblies:
1. **Automotive Radar:** Used in Blind Spot Detection (BSD) and Lane Change Assist (LCA) modules operating at the 24GHz frequency.
2. **Motion Sensors:** Integrated into automatic door openers or security lighting sensors that use the Doppler effect to detect movement.
3. **Industrial Telemetry:** High-speed wireless data links in industrial environments.
---
### 4. Circuit Implementation Example
In a typical RF front-end circuit, the MA24FBG-R acts as the frequency-determining element for an oscillator (DRO - Dielectric Resonator Oscillator).
```cpp
// Logic representation of a 24GHz Radar Module using the Resonator
Module Radar_Sensor {
Component: MA24FBG-R; // Frequency Stability Element
Frequency: 24.125 GHz;
Input: DC_Power (3.3V - 5V);
Output: IF_Signal (Intermediate Frequency);
Function: "Detects velocity via Doppler Shift";
}
```
- ⤷
What are the equivalent alternatives to the MA24FBG-R for 24GHz radar designs?
- ⤷ How does the dielectric constant of this part affect its resonant frequency?
- ⤷ What is the typical footprint size for the MA24FBG-R on a PCB?