The **MHO+78FAD-R** is a high-performance **Crystal Oscillator** manufactured by MtronPTI. This specific component belongs to the MHO+ series, which is known for its reliability in industrial and communication applications. --- ### 1. Component Overview This part is a **Fixed Frequency Crystal Oscillator**. It provides a stable clock signal for digital circuits, ensuring precise timing for microprocessors and data transmission. ### 2. Technical Specifications The "78FAD-R" suffix identifies specific electrical and mechanical characteristics. | Parameter | Specification Details | | :--- | :--- | | **Package Type** | 14-pin DIP (Dual In-line Package) - Full size | | **Output Type** | CMOS / TTL Compatible | | **Operating Voltage** | Typically 5.0V (Standard for 78 series) | | **Frequency Stability** | Usually ±100ppm or ±50ppm (depending on the full dash code) | | **Temperature Range** | Industrial Grade (-40°C to +85°C) or Commercial (0°C to +70°C) | | **RoHS Status** | Compliant (Indicated by the "R" suffix) | --- ### 3. Pin Configuration Since this is a standard 14-pin DIP package (though it often only utilizes 4 pins), the typical layout is as follows: | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | N/C or Tri-State | No connection or Output Enable/Disable | | **7** | GND | Circuit Ground | | **8** | Output | The generated clock frequency signal | | **14** | Vcc | Positive Power Supply (+5V) | --- ### 4. Key Features * **Hermetically Sealed:** The metal casing is vacuum-sealed or filled with inert gas to protect the quartz crystal from moisture and oxidation. * **Low Jitter:** Designed to provide a clean square wave with minimal timing deviations. * **High Compatibility:** The CMOS/TTL output allows it to interface directly with most legacy and modern logic gates without additional buffering. ### 5. Common Applications 1. **Telecommunications:** Base stations and switching equipment. 2. **Industrial Control:** PLCs and automated timing systems. 3. **Computing:** Motherboards and peripheral timing. 4. **Test & Measurement:** Oscilloscopes and signal generators. ---