The **CAMSC7LBR** is a specific part number belonging to a family of **Clock Oscillators** (Crystal Oscillators), typically manufactured by companies like **Cardinal Components**. These components are fundamental in electronics for providing a stable timing signal (heartbeat) for microprocessors and digital circuits. --- ### 1. Part Number Breakdown While specific prefixes can vary slightly by manufacturer, the code usually breaks down as follows: | Code Segment | Meaning | Description | | :--- | :--- | :--- | | **CAM** | Series | CMOS/TTL Compatible Clock Oscillator | | **SC** | Package Type | Typically a standard 5x7mm Ceramic Surface Mount (SMD) | | **7** | Voltage | Often represents 5.0V or 3.3V operation (Check datasheet) | | **L** | Stability | Indicates frequency stability (e.g., ±50ppm) | | **BR** | Output/Feature | Usually denotes "Bulk" packaging or a specific "Enable/Disable" function | --- ### 2. Key Electronic Characteristics These parts are designed to be integrated into high-speed digital systems. Below are the typical technical specifications: * **Frequency Range:** Typically available from 1.000 MHz to 125.000 MHz. * **Operating Voltage:** Commonly 3.3V or 5.0V DC. * **Output Logic:** CMOS/TTL compatible (Square wave). * **Package Size:** 5.0mm x 7.0mm (4-pad layout). * **Frequency Stability:** Usually ±25ppm, ±50ppm, or ±100ppm depending on the specific grade. --- ### 3. Pin Configuration (Typical 4-Pad SMD) The CAMSC7LBR follows the industry-standard pinout for 5x7mm oscillators: | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | E/D or NC | Tri-state Enable/Disable or No Connection | | **2** | GND | Ground connection | | **3** | Output | The generated clock signal (Square Wave) | | **4** | Vdd | Power Supply (+) | --- ### 4. Applications This electronic part is used in scenarios requiring a reliable, self-contained frequency source: * **Microcontrollers:** Providing the external clock for high-speed processing. * **Networking:** Synchronizing data transmission in Ethernet or Fiber switches. * **Industrial Boards:** Used in PLC (Programmable Logic Controllers) for timing operations. * **Consumer Electronics:** Found in devices requiring stable audio/video processing. --- ### 5. Circuit Integration Tip When using the **CAMSC7LBR** in a PCB design: 1. **Bypass Capacitor:** Always place a **0.01µF to 0.1µF ceramic capacitor** as close to Pin 4 (Vdd) and Pin 2 (GND) as possible to filter power supply noise. 2. **Trace Length:** Keep the output trace (Pin 3) as short as possible to minimize Electromagnetic Interference (EMI) and signal degradation.