The **M3V61T2CJ-R** is a high-performance **VCXO (Voltage Controlled Crystal Oscillator)** manufactured by **NDK (Nihon Dempa Kogyo)**. These components are critical in telecommunications and data transmission for precise frequency control. --- ### 1. Key Technical Specifications Below are the primary parameters that define the M3V61T2CJ-R: | Parameter | Specification | |:---|:---| | **Component Type** | VCXO (Voltage Controlled Crystal Oscillator) | | **Nominal Frequency** | Generally in the 10 MHz to 52 MHz range (Check specific suffix) | | **Supply Voltage (Vcc)** | +3.3V DC (Typical for the M3V series) | | **Output Type** | CMOS | | **Package Size** | 3.2 x 2.5 mm (SMD Package) | | **Operating Temperature** | -40°C to +85°C (Industrial Grade) | | **Frequency Stability** | ±50 ppm (standard, varies by specific sub-model) | --- ### 2. Functional Characteristics The M3V61T2CJ-R is designed to provide a stable clock signal that can be slightly adjusted (pulled) by an external control voltage. * **Frequency Pulling Range:** This part allows the output frequency to be "tuned" via a control voltage (Vcont) pin, typically providing a range of ±90 ppm to ±150 ppm. * **Low Phase Jitter:** It is engineered for low noise, making it suitable for high-speed digital circuits where timing accuracy is paramount. * **RoHS Compliant:** The part is lead-free and meets environmental safety standards for electronics manufacturing. --- ### 3. Pin Configuration (Typical 6-pad Layout) | Pin # | Function | Description | |:---:|:---|:---| | **1** | **Vcont** | Control voltage to adjust frequency | | **2** | **OE or NC** | Output Enable (High = Active) or No Connection | | **3** | **GND** | Ground | | **4** | **OUT** | Clock Signal Output | | **5** | **NC** | No Connection | | **6** | **Vcc** | Power Supply (+3.3V) | --- ### 4. Common Applications The M3V61T2CJ-R is predominantly used in hardware requiring synchronization: 1. **Base Stations:** For cellular network timing. 2. **Broadband Access:** DSLAMs and optical networking equipment. 3. **Video Equipment:** Ensuring frame rate synchronization in professional broadcast gear. 4. **PLL Circuits:** Used as a reference oscillator in Phase-Locked Loops.