## Overview of the M3V14VCJ-R The **M3V14VCJ-R** is an electronic component manufactured by **Nidec Copal Electronics**. It belongs to the category of **Voltage-Controlled Crystal Oscillators (VCXO)**. These components are critical in circuits requiring precise frequency control and timing synchronization. --- ### Technical Specifications The following table outlines the primary technical characteristics of the M3V14VCJ-R: | Parameter | Specification | | :--- | :--- | | **Component Type** | VCXO (Voltage-Controlled Crystal Oscillator) | | **Package / Case** | SMD (Surface Mount Device), 6-pad | | **Frequency Range** | Typically 1.5 MHz to 54 MHz (Series dependent) | | **Output Type** | CMOS / TTL | | **Supply Voltage (Vcc)** | 3.3V (Typical) | | **Frequency Stability** | ±50 ppm (Standard, varies by specific grade) | | **Operating Temperature** | -40°C to +85°C | | **Pullability** | ±100 ppm min (Voltage dependent) | --- ### Key Internal Parts and Functionality An electronic component like the M3V series consists of several internal sub-elements: 1. **Quartz Crystal Resonator:** The heart of the part, providing the base stable frequency. 2. **Varactor Diode:** A voltage-dependent capacitor used to "pull" or shift the frequency of the crystal slightly. 3. **Oscillator IC:** An integrated circuit that maintains the oscillation and handles the output buffering (CMOS/TTL levels). 4. **Ceramic Substrate:** The physical base that holds the internal silicon and crystal, providing insulation and surface mount pads. ### Pin Configuration (Typical 6-Pad Layout) | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | **V_cont** | Control Voltage input to adjust frequency. | | **2** | **OE or NC** | Output Enable (controls if the output is active). | | **3** | **GND** | Electrical Ground. | | **4** | **Output** | The generated clock signal. | | **5** | **NC** | No Connection. | | **6** | **Vcc** | Power Supply Input. | --- ### Common Applications Because this part allows for fine frequency tuning via an external voltage, it is commonly used in: * **Phase-Locked Loops (PLLs):** For clock recovery and frequency synthesis. * **Networking Equipment:** Routers and switches for data synchronization. * **Digital Video/Audio:** Adjusting frame rates or sampling rates to match incoming signals. ---