Summary of Plug And Debug With ScanaQuad SQ200 Logic Analyzer and Signal Generator
The ScanaQuad 200 by Ikalogic is a high-performance, cost-effective logic analyzer and digital pattern generator tailored for hobbyists. It features four channels capable of capturing and generating signals simultaneously with sampling rates up to 200MHz. Using the ScanaStudio software, users can decode various serial protocols like UART, SPI, I2C, and USB, or create custom decoders using JavaScript. Its versatile input/output ranges and adjustable thresholds make it ideal for debugging complex digital circuits without the high cost of traditional oscilloscopes.
Parts used in the ScanaQuad 200 Project:
- ScanaQuad 200 Logic Analyzer
- ScanaStudio Software
- Four User-Defined Ports
- JavaScript Programming Interface
- Predefined Protocol Decoders
- Custom Protocol Decoder Creation Tool
The ScanaQuad 200 by Ikalogic is a high-performance 4-channel logic analyzer and digital pattern generator. It is designed to be the best companion of a hobbyist when working on serial protocols like UART, SPI, I2C, 1-Wire, USB, I2S, CAN, LIN, RS232, RS485, and more. With the ScanaQuad 200 Logic Analyzer, you can capture signals, you can play them back, and you can even program genuine test signals using ScanaStudio software and generate them.
Being able to capture and generate logic patterns simultaneously with a single tool, it is quite useful while testing and debugging logic signals. Now, you can achieve these same features with modern function generators and oscilloscopes. But unfortunately, these devices usually carries a price that puts them out of reach of those who only need them occasionally. So, the ScanaQuad is the best and the cheapest solution for hobbyists.
The sampling frequency of the ScanaQuad SQ200 is minimum 10KHz and maximum 200MHz, with 50MHz of input bandwidth. It has a stunning sampling resolution of ±5ns only. SQ200 is capable of handling ±15V input signal in continuous signal mode and the ±50V input signal in 10ms pulse mode. The function of the four ports of this logic analyzer can be defined by the user with the help of the ScanaStudio software. The user can also control pulse width and duty cycle of the output signal. Complex data sequences may be programmed to simulate several communication protocols using JavaScript. ScanaQuad SQ200 comes with predefined sets of various protocol decoders. This logic analyzer even allows users to create their own protocol decoders.
The following table shows the input characteristics of SQ200:
| Input resistance (Fixed) | 1MΩ |
| Input resistance (optional) | 10KΩ |
| Input Capacitance (Max.) | 4pF |
| Input voltage range (continuous) | ±15V |
| Input voltage range (10ms pulse) | ±50V |
| Pull-Up resistance (optional) | 10KΩ |
| Low-Level input voltage (VIL MAX) | Adjustable |
| High-Level input voltage (VIL MIN) | Adjustable |
| Adjustable threshold range | 0V to 4.5V |
| Threshold hysteresis | 350mV |
The following table represents output characteristics:
| Output resistance | 270Ω |
| Output current (Max.) | 20mA |
| Output High-Level voltage (VOH) | Adjustable |
| Adjustable output voltage range (VOH) | 1.65V to 5.5V |
Finally, the below table shows all the timing characteristics:
| Sampling Frequency (Max.) | 200MHz |
| Sampling Resolution (Max.) | ±5ns |
| Input bandwidth (Max.) | 50MHz |
| Output frequency (Max.) | 50MHz |
| Sampling Frequency (Min.) | 10KHz |
| Embedded memory | 16MB |
| Sampling Depth (Points/channel) | 4M |
| Sampling Period (Max. at FS = 1MHz) | 4s |
| Sampling Period (Max. at FS = 25MHz | 160ms |
| Sampling Period Example (Max. no. of 115200 BAUD UART words at FS = 1MHz) | 40K Words |
ScanaQuad SQ200 supports lots of protocols by default and user can add his/her own protocol as mentioned earlier. Supported protocols (default) are:
Read more: Plug And Debug With ScanaQuad SQ200 Logic Analyzer and Signal Generator
- What protocols does the ScanaQuad 200 support?
It supports UART, SPI, I2C, 1-Wire, USB, I2S, CAN, LIN, RS232, and RS485. - How can users create their own protocol decoders?
Users can create custom protocol decoders using JavaScript within the ScanaStudio software. - Can this device capture and generate signals at the same time?
Yes, it captures and generates logic patterns simultaneously with a single tool. - What is the maximum sampling frequency of the SQ200?
The maximum sampling frequency is 200MHz. - What is the input voltage range for continuous signals?
The input voltage range for continuous signal mode is ±15V. - How much embedded memory does the ScanaQuad 200 have?
The device comes with 16MB of embedded memory. - Can the threshold levels be adjusted on this analyzer?
Yes, the low-level input voltage, high-level input voltage, and threshold range are adjustable. - What is the best way to simulate communication protocols?
Complex data sequences may be programmed to simulate several communication protocols using JavaScript.
