The **MHO+45TGD-R** is a specific series of high-precision crystal oscillators manufactured by **MtronPTI**. These components are critical for providing stable timing signals in telecommunications and aerospace applications. ### 1. Technical Specifications The model number "MHO+45TGD-R" follows a specific naming convention that defines its electronic characteristics: | Parameter | Specification | Details | | :--- | :--- | :--- | | **Component Type** | XO (Crystal Oscillator) | Fixed frequency reference | | **Package Style** | 14-pin DIP (Full Size) | Metal thru-hole package for EMI shielding | | **Output Type** | HCMOS / TTL | Compatible with high-speed CMOS and TTL logic | | **Operating Voltage** | 5.0 Volts | Standard supply voltage for legacy and industrial systems | | **Stability** | $\pm$ 50 ppm to $\pm$ 100 ppm | Frequency stability over temperature range | | **RoHS Status** | Compliant (-R) | Lead-free and environmentally friendly | --- ### 2. Key Internal Components The device is an integrated module consisting of several sub-parts: 1. **Quartz Crystal Blank:** The heart of the part, providing the mechanical resonance. 2. **Oscillator IC:** An internal integrated circuit that maintains the vibration of the crystal and converts it into a square wave output. 3. **Bypass Capacitor:** Internal capacitance to reduce power supply noise. 4. **Hermetic Metal Header:** A sealed metal "can" (DIP-14) that protects the quartz from moisture and provides electromagnetic interference (EMI) shielding. --- ### 3. Pin Configuration (Typical) Standard 14-pin DIP oscillators like the MHO series use the following layout: ```text Pin 1: N/C or Tristate (Enable/Disable) Pin 7: Ground (Case Ground) Pin 8: Output (Clock Signal) Pin 14: Vcc (+5.0V) ``` --- ### 4. Common Applications * **Networking Hardware:** Providing the base clock for Ethernet switches and routers. * **Industrial Control:** Timing for PLCs and embedded controllers. * **Legacy Computing:** Replacement parts for older motherboards and timing circuits. * **Test & Measurement:** Stable time-bases for oscilloscopes and frequency counters.