The **MHO+48FBD-R** refers to a specific series of high-performance **Crystal Oscillators** (XO) manufactured by **MtronPTI**. These components are critical for providing precise timing signals in telecommunications and networking hardware. --- ### 1. Technical Specification Breakdown The part number follows a specific nomenclature. Below is a detailed breakdown of its electronic characteristics: | Feature | Specification | Description | | :--- | :--- | :--- | | **Type** | Crystal Oscillator (XO) | A complete timing circuit containing a quartz crystal and an IC. | | **Output Type** | LVDS / PECL | High-speed differential signaling for low noise. | | **Voltage Supply** | 3.3V (Typical) | Standard voltage for modern digital circuits. | | **Package Size** | 5x7mm | Standard SMD (Surface Mount Device) footprint. | | **Frequency Range** | 1.0 MHz to 1.5 GHz | Supports high-bandwidth data transmission. | | **Stability** | ±20ppm to ±100ppm | Maintains frequency accuracy over temperature variations. | | **Operating Temp** | -40°C to +85°C | Industrial grade temperature tolerance. | --- ### 2. Key Electronic Components Inside An integrated oscillator like the MHO series consists of three primary internal sub-sections: 1. **Quartz Crystal Blank:** The mechanical heart of the device that vibrates at a specific frequency when a voltage is applied (Piezoelectric effect). 2. **Oscillator IC:** An application-specific integrated circuit (ASIC) that sustains the oscillation and manages the output drivers. 3. **Bypass Capacitors:** Internal surface-mount capacitors used to filter supply noise, ensuring a "clean" clock signal. --- ### 3. Application Areas Due to its high frequency and low "jitter" (timing uncertainty), this part is commonly used in: * **Fiber Optic Modules:** (SFP+, QSFP) for 10G/40G/100G Ethernet. * **FPGA Clocking:** Providing the master heartbeat for high-speed processors. * **SONET/SDH:** Telecommunication infrastructure requiring strict synchronization. --- ### 4. Typical Connection Diagram When integrating the MHO+48FBD-R into a PCB design, the pinout usually follows this standard 6-pad configuration: ```text Pad 1: Enable/Disable (Logic High = Output Active) Pad 2: No Connect (NC) Pad 3: Ground (GND) Pad 4: Output (Q) Pad 5: Complementary Output (/Q) Pad 6: Supply Voltage (Vdd) ``` ---