Add tindie listing.

doc/tindie.md

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+The CLKGEN01 is a high-performance, single-output, I2C programmable clock generator designed to provide a reliable and stable low-noise clock signal, ideal for high-end ADCs in SDR applications. With its wide tunable frequency range and low phase jitter, this module is perfect for demanding environments that require precise timing and minimal signal interference.
+
+#### Why We Made It
+We developed the CLKGEN01 to address the need for a flexible and programmable clock generator that can be easily integrated into various systems. Traditional clock generators often lack the tunability and low-noise performance required for high-end applications, so we designed this module to fill that gap, ensuring high stability and reliability in signal generation.
+
+#### What Makes It Special
+- **Wide Frequency Range:** Capable of generating frequencies from 10 MHz to 1.5 GHz, making it versatile for various applications.
+- **Low Phase Jitter:** Less than 0.3ps for Si570 types, ensuring minimal noise and interference.
+- **Programmability:** I2C interface allows for easy frequency adjustments and integration with other modules.
+- **EMI Suppression:** Designed with EMI suppression techniques to minimize noise generation.
+- **Mechanical Robustness:** Mounted securely on a conductive base with four screws to ensure stability and proper shielding.
+
+#### Features
+- **Power Voltage:** Maximum 5V, 160mA
+- **Core Power Voltage:** +1.8V, 2.7V, 3.3V (depends on chip type)
+- **Frequency Range:** 10 - 1500 MHz (usually 10 - 810 MHz for Si570)
+- **Output:** Differential PECL output
+- **EMI Suppression:** Achieved using a high conductive base like ALBASE
+
+#### Technical Specifications
+- **Power Voltage:** Max 5V, 160mA
+- **Core Power Voltage:** +1.8V, 2.7V, 3.3V (depends on chip type)
+- **Frequency Range:** 10 - 1500 MHz (depends on chip type, usually 10 - 810 MHz)
+- **Phase Jitter:** < 0.3ps for Si570 types
+
+#### Construction
+- **Circuit:** Optimized for direct connection to microprocessors with similar or higher output logic levels. Includes a voltage level translator and integrated linear voltage stabilizer.
+- **EMI Suppression:** Requires proper EMI isolation, achievable using a high conductive base like ALBASE.
+- **Mechanical:** Mounted on a base using four screws for stability and shielding.
+
+#### Testing and Calibration
+- **Preset Frequency:** Outputs a preset frequency on startup.
+- **Calibration:** Clock source can be calibrated via the I2C bus.
+
+#### Software Tools
+- **Compatibility:** Can be tuned via a computer using the PIC18F4550v01 MLAB module and compatible software such as USBSynth or CFGSR.
+- **Documentation and Downloads:** Detailed datasheets and firmware are available for easy setup and integration.
+
+#### Requirements
+- **Power Supply:** 5V for the module and appropriate core power voltage as per the chip type.
+- **Skill Level:** Intermediate knowledge in electronics and programming is recommended for optimal use and integration.
+
+#### Package includes
+- CLKGEN01B Module with SI570ABB000107DG chip
+- 4x MLAB screws with nuts mounted in the module
+
+
+