The **MHO+61FAAG-R** is a specific part number typically associated with **MHO (MHO+ Series)** crystal oscillators, manufactured by companies like **Mercury Electronic**. These components are precision frequency control devices used in various digital circuits. --- ### 1. Technical Specifications The part number follows a specific coding structure. Below are the typical characteristics of this series: | Parameter | Specification | | :--- | :--- | | **Component Type** | Crystal Oscillator (XO) | | **Package Type** | 14-pin DIP (DIL) - Often 4 pins connected | | **Frequency Range** | Typically between 1.0 MHz to 100.0 MHz | | **Supply Voltage (Vcc)** | 5.0V (Standard for MHO series) | | **Output Logic** | HCMOS / TTL Compatible | | **Operating Temperature** | -10°C to +70°C (Standard Commercial) | | **RoHS Status** | Compliant (Indicated by the '-R' suffix) | --- ### 2. Pin Configuration For the 14-pin DIP package used by the MHO+ series, only four pins are usually functional: | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | NC or Tri-state | No connection or Output Enable/Disable | | **7** | GND | Ground connection | | **8** | Output | Frequency signal output | | **14** | Vcc | Power supply (+5V) | --- ### 3. Key Features * **Stability:** High frequency stability over a wide range of temperatures compared to basic resonators. * **Integration:** Contains both the quartz crystal and the oscillation circuitry (capacitors/transistors) inside a metal shield. * **Low Jitter:** Designed for clocking microprocessors, DSPs, and communication hardware where timing precision is critical. * **Metal Case:** The hermetically sealed metal package provides excellent EMI (Electromagnetic Interference) shielding. --- ### 4. Part Number Breakdown (Typical) While manufacturers vary slightly, the code generally breaks down as follows: * **MHO+**: Series Name (Metal Thru-Hole Oscillator). * **61**: Package code (14-pin DIP size). * **F**: Frequency stability code (e.g., ±25ppm or ±50ppm). * **AA**: Temperature range and Voltage indicator. * **G**: Output type (HCMOS/TTL). * **-R**: RoHS Lead-Free Compliant. --- ### 5. Application Examples * **Legacy Computing:** Used in older motherboard designs or industrial PC-104 modules. * **Industrial Control:** Providing a master clock for PLCs (Programmable Logic Controllers). * **Embedded Systems:** Generating the base clock for microcontrollers that require more precision than a standard ceramic resonator.