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1. A new leap in robot dog technology
With the rapid development of artificial intelligence and robotics, robot dogs (quadruped robots) have gradually moved from laboratories to commercial applications, attracting more and more attention.
On December 23, Unitree Technology released the latest video of the Unitree B2-W robot dog, and wrote: "One year after the release of mass production, the Unitree B2-W industrial wheel foot has awakened more talents and skills!". The video shows that the Unitree B2-W robot dog adopts a "wheel + foot" design, which can complete high-difficulty movements such as two-week rotation in place, three-and-a-half-week inverted rotation, Thomas full rotation, side flip, 360° jump rotation, etc. In addition, the Unitree B2-W robot dog can walk freely in complex scenes such as steep slopes, shallow water roads, and reverse streams, and can even carry an adult man off-road.
The excellent performance and innovative technology of the Unitree B2-W robot dog provide more possibilities for the development and application of robot dogs in the future. For example, in the field of industrial applications, it can be used for daily monitoring, detection and handling; in the field of public safety, it can be used for safety precautions such as environmental detection, object detection and odor detection; in natural disaster areas, it can assist in search and rescue, handling and other tasks with the help of autonomous navigation, obstacle avoidance and life detection technologies; in the field of logistics, it can carry goods in complex environments such as warehouses and ports to improve logistics efficiency; with the continuous upgrading of technology and the continuous expansion of application scenarios, robot dogs have the potential to show their talents in more fields.
The excellent performance of robot dogs is inseparable from the complex and diverse internal components, and the crystal oscillator is one of the key components. The role of the crystal oscillator is to provide a stable and reliable clock signal to ensure the synchronization, stability and accuracy of data transmission of the robot dog system. Since robot dogs are usually used outdoors or in scenes with large temperature changes, the complex and changeable application scenarios have strict requirements on the quality and stability of their crystal oscillators. In order to reduce the impact of environmental changes on robot dogs and ensure their normal operation, temperature compensated oscillators (TCXOs) are usually used to ensure the output of stable and high-precision clock signals in environments with large temperature changes. In addition to TCXO temperature-compensated crystal oscillators, 32.768KHz crystal oscillators are also a common choice in robot dog design, which is used to generate stable timing reference signals to ensure the accuracy of system time.
Crystal oscillators are widely used in various modules of robot dogs, including but not limited to:
1. MCU module: The crystal oscillator can provide a stable clock signal to ensure the stability and accuracy of the control unit operation
2. WiFi module: The crystal oscillator is used to provide a high-precision clock signal to ensure the synchronization and stability of wireless communication
3. Attitude sensor (gyroscope/accelerometer, etc.): The crystal oscillator provides a stable clock signal for synchronous data acquisition
4. Bluetooth module: The crystal oscillator provides a clock signal to ensure the stability of communication and the accuracy of data transmission
YXC provides high-precision and high-accuracy clock crystal oscillators, which provides important technical support for the excellent performance of robot dogs and helps them shine in various fields.
2. YXC provides "robot dog" solutions
Robot dogs need to maintain high stability and accuracy under changing climate and temperature conditions. The temperature-compensated crystal oscillator can reduce the impact of ambient temperature changes on the oscillation frequency through the built-in temperature compensation circuit, thereby ensuring that the device can provide a stable frequency reference signal at different temperatures.
YXC recommends three temperature-compensated crystal oscillator (TCXO) products to meet the needs of different solutions:
1. General series YSO510TP: In the temperature range of -40~85℃, the stability can reach ±2.5PPM, and it has a variety of sizes.
2. Pre-programmed series YSO511PJ: The frequency can be freely customized in the range of 10~250MHz.
3. High-precision series YSO512ET: With ultra-high precision, the temperature stability can reach up to ±0.1PPM.
· General TCXO series: YSO510TP
YSO510TP is a general series TCXO. The optional frequency range is 10~52MHz, the smallest size can reach 2.0 x 1.6mm, and it has two output modes: CMOS and Clipped sine wave. In the operating temperature range of -30~85℃, the temperature stability is (typical value ±2.5PPM, minimum value ±0.28PPM). The following is the actual measured data of the product:
YSO510TP temperature stability test curve
Test results: In the operating temperature range of -30~85℃, the temperature stability of the test sample meets ≤±2.5PPM
· Pre-programmed TCXO series: YSO511PJ
YSO511PJ product parameters
YSO511PJ is a pre-programmed TCXO. In the operating temperature range of -40~85℃, the temperature stability is ≤±2.5PPM, and the output mode is CMOS. This product can meet any frequency customization in the range of 10~250MHz, and is suitable for special frequency requirements.
· High-precision TCXO series: YSO512ET
YSO512ET product parameters
YSO512ET is a high-precision TCXO. It is suitable for conventional frequencies within the range of 10-50MHz, with package sizes of 5.0*3.2 and 7.0*5.0mm, and has two output modes: CMOS and Clipped sine wave. The product has a temperature stability of up to ±0.1PPM within the working range of -40~85℃.
· 32.768KHz resonator
The 32.768KHz high-precision clock crystal oscillator provided by YXC can provide a stable clock timing signal for the embedded system of the robot dog, ensuring its control accuracy and reliability in various environments. The mainstream market adopts 32.*1.5mm packaging, and YXC simultaneously provides small-size 32.768KHz resonators of 2.0*1.2mm and 1.6*1.0mm to help design diversified robot dog solutions.
