中文介绍
YB4328是一款通用型双踪示波器，广泛应用于电子测量领域。该设备以其高性价比和可靠的性能受到众多用户的青睐。其品牌为绿杨，是一款国产优质产品。
在技术参数方面，YB4328具备20MHz的带宽，能够满足大多数基础电子测试需求。垂直系统偏转系数范围为5mV/div至10V/div，按1-2-5进位共分11档，误差控制在±5%以内。水平系统扫描时间系数为0.1μs/div至0.2s/div，同样按1-2-5进位，共分20档，误差为±5%。此外，该示波器还具备自动、触发、锁定、单次等多种显示方式。
在触发系统方面，YB4328提供了Y1、Y2、交替、电源、外等多种触发源选择，能够灵活应对不同测试场景。其耦合方式包括AC/DC，以及常态/TV模式。
YB4328还具备X-Y显示模式，信号输入为X轴：Y1，Y轴：Y2，偏转系数与Y1相同。此外，Z轴系统输入电压为50V（DC+ACp-p），输入阻容为10kΩ。
在物理特性方面，YB4328的电源要求为AC 220V±10%，频率50Hz±5%，视在功率约为35VA。其外形尺寸为130H×320W×400D（mm），重量约为7.2kg，便于携带和操作。
目前，YB4328的市场价格较为亲民，通常在1280元左右，具体价格可能会因供应商和采购量的不同而有所变化。总体而言，YB4328是一款适合实验室、教学以及小型电子项目使用的双踪示波器，能够为用户提供稳定可靠的测试支持。

English Introduction
The YB4328 is a general-purpose dual-trace oscilloscope widely used in the field of electronic measurement. It is favored by many users for its high cost-performance ratio and reliable performance. The brand of this oscilloscope is Green Willow, and it is a high-quality domestic product.
In terms of technical specifications, the YB4328 has a bandwidth of 20MHz, which can meet most basic electronic testing requirements. The vertical system has a deflection coefficient ranging from 5mV/div to 10V/div, with 11 steps in 1-2-5 increments and an error tolerance of ±5%. The horizontal system has a sweep time coefficient from 0.1μs/div to 0.2s/div, also in 1-2-5 increments, with 20 steps and an error of ±5%. In addition, the oscilloscope offers various display modes such as automatic, triggered, locked, and single-sweep.
Regarding the triggering system, the YB4328 provides multiple triggering sources, including Y1, Y2, alternate, power, and external, allowing for flexible adaptation to different testing scenarios. The coupling options include AC/DC and normal/TV modes.
The YB4328 also features an X-Y display mode, with signal inputs X-axis: Y1 and Y-axis: Y2, and the deflection coefficient is the same as that of Y1. Additionally, the Z-axis system has an input voltage of 50V (DC+ACp-p) and an input impedance of 10kΩ.
In terms of physical characteristics, the YB4328 requires an AC power supply of 220V±10%, with a frequency of 50Hz±5% and an apparent power of approximately 35VA. Its dimensions are 130H×320W×400D (mm), and it weighs about 7.2kg, making it convenient to carry and operate.
At present, the market price of the YB4328 is relatively affordable, typically around 1280 yuan. The specific price may vary depending on the supplier and the quantity purchased. Overall, the YB4328 is a dual-trace oscilloscope suitable for laboratories, teaching, and small electronic projects, providing users with stable and reliable testing support.