The **K1526DAM-R** is a high-precision, low-profile **Temperature Compensated Crystal Oscillator (TCXO)** manufactured by Kyocera (AVX). It is designed specifically for applications requiring high stability over a wide temperature range, typically found in wireless communication and networking devices. --- ## 1. Technical Specifications Below are the primary electrical and physical characteristics of the K1526DAM-R: | Feature | Specification | | :--- | :--- | | **Output Frequency** | Usually 19.2 MHz or 26.0 MHz (Varies by specific dash number) | | **Supply Voltage (Vcc)** | +2.8V to +3.3V DC | | **Output Type** | Clipped Sine Wave | | **Frequency Stability** | ±0.5 ppm to ±2.5 ppm (over temperature) | | **Operating Temperature** | -30°C to +85°C | | **Package Size** | 3.2mm x 2.5mm (SMD) | | **RoHS Status** | Compliant (Lead-Free) | --- ## 2. Key Internal Components The "Electronic Parts" within this module consist of a sophisticated hybrid circuit integrated into a single ceramic package: 1. **Quartz Crystal Blank:** The primary resonator that determines the base frequency. 2. **Compensation IC:** An integrated circuit that senses the ambient temperature and adjusts the load capacitance to counteract the crystal's natural frequency drift. 3. **Varactor Diode:** Used within the compensation circuit to electronically tune the frequency. 4. **Bypass Capacitors:** Internal surface-mount capacitors to reduce power supply noise and ensure signal integrity. --- ## 3. Pin Configuration The device typically utilizes a 4-pad surface mount configuration: | Pad Number | Function | Description | | :--- | :--- | :--- | | **1** | Vcont / NC | Voltage Control (for VCTCXO) or No Connect | | **2** | GND | Case and Circuit Ground | | **3** | Output | Clipped Sine Wave Output | | **4** | Vcc | Power Supply Input | --- ## 4. Typical Applications Due to its high stability and small footprint, the K1526DAM-R is commonly found in: * **GPS/GNSS Receivers:** Precise timing for satellite synchronization. * **Mobile Handsets:** Maintaining stable carrier frequencies. * **IoT Modules:** Reliable communication in varying outdoor temperatures. * **Wi-Fi / Bluetooth LE:** Frequency reference for RF transceivers. ---